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  1. Employees

Språkvelger

Norsk

Nikolai Ushakov

Nikolai Ushakov

Professor
Department of Mathematical Sciences

nikolai.ushakov@ntnu.no
+4773593539 +4745128897 Sentralbygg 2, 1136, Gløshaugen, Alfred Getz vei 1
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Publications

  • Chronological
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  • See all publications in Cristin

2023

  • Ushakov, Vladimir G.; Ushakov, Nikolay. (2023) TESTS FOR NORMALITY OF THE PROBABILISTIC DISTRIBUTION WHEN DATA ARE ROUNDED. Informatika i ee Primeneniya. volum 17 (1).
    Academic article

2022

  • Ushakov, Nikolai; Ushakov, Vladimir. (2022) On the effect of rounding on hypothesis testing when sample size is large. Stat. volum 11 (1).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir G.. (2022) Robustness of Normality Criteria with Respect to Rounding Observations. Moscow University Computational Mathematics and Cybernetics. volum 46 (2).
    Academic article

2021

  • Ushakov, Nikolai; Ushakov, Vladimir. (2021) On sensitivity of exponentiality tests to data rounding: a Monte Carlo simulation study. Communications in Statistics - Simulation and Computation.
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2021) The multivariate distributions of output streams in a queueing system with preemptive repeat priority. Informatika i ee Primeneniya. volum 15 (2).
    Academic article

2020

  • Ushakov, Nikolai; Ushakov, Vladimir G.. (2020) Accuracy of estimating the mean from rounded data. Journal of Mathematical Sciences. volum 246 (4).
    Academic article
  • Ushakova, A; Ushakov, Nikolai. (2020) An Estimate of Stability of Reconstruction of the Normal Distribution Type. Journal of Mathematical Sciences. volum 246 (4).
    Academic article

2019

  • Samsonov, Sergei V.; Ushakov, Nikolai; Ushakov, Vladimir G.. (2019) Estimation of the second moment based on rounded data. Journal of Mathematical Sciences. volum 237 (6).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir G.. (2019) Queue length in a queuing system with dependent service times. Moscow University Computational Mathematics and Cybernetics. volum 43 (4).
    Academic article
  • Ushakov, Vladimir G.; Ushakov, Nikolai. (2019) The output streams in the single server queueing system with a head of the line priority. Informatika i ee Primeneniya. volum 13 (4).
    Academic article

2018

  • Ushakov, Nikolai; Ushakov, Vladimir G.. (2018) Moment-based characterizations of the exponential distribution in the class of distributions with monotone hazard rate. Journal of Mathematical Sciences. volum 234 (6).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir G.. (2018) Statistical analysis of rounded data: measurement errors vs rounding errors. Journal of Mathematical Sciences. volum 234 (6).
    Academic article

2017

  • Ushakov, Nikolai; Ushakov, Vladimir. (2017) Permutation tests for homogeneity based on some characterizations. Communications in Statistics - Theory and Methods. volum 46 (15).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2017) Statistical analysis of rounded data: Rcovering of information lost due to rounding. Journal of the Korean Statistical Society. volum 46 (3).
    Academic article
  • Ushakov, Vladimir G.; Ushakov, Nikolai. (2017) Single server queueing system with dependent interarrival times. Informatika i ee Primeneniya. volum 11 (2).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (2017) Boundaries of the precision of restoring information lost after rounding the results from observations. Moscow University Computational Mathematics and Cybernetics. volum 41 (2).
    Academic article

2016

  • Meintanis, Simos; Ushakov, Nikolai. (2016) Nonparametric probability weighted empirical characteristic function and applications. Statistics and Probability Letters. volum 108.
    Academic article
  • Ushakov, Nikolai. (2016) Comments: A review of testing procedures based on the empirical characteristic function. South African Statistical Journal. volum 50.
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2016) A note on characterizations of the exponential distribution. Journal of Mathematical Sciences. volum 214 (1).
    Academic article
  • Ushakov, VG; Ushakov, Nikolai. (2016) Inequalities for order statistics of samples from distributions with monotone hazard rate. Doklady. Mathematics. volum 93 (3).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (2016) On one test of homogeneity. Doklady. Mathematics. volum 93 (3).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (2016) On queue length in a queueing system with Erlang incoming flow. Moscow University Computational Mathematics and Cybernetics. volum 40 (3).
    Academic article

2015

  • Ushakov, Vladimir; Ushakov, Nikolai. (2015) Inequalities for sums of random variables and the characterization of homogeneity. Moscow University Computational Mathematics and Cybernetics. volum 39 (2).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (2015) On averaging of rounded data. Informatika i ee Primeneniya. volum 9 (4).
    Academic article

2012

  • Ushakov, Nikolai. (2012) A note on superkernel density estimators. Mathematical Methods of Statistics. volum 21 (1).
    Academic article
  • Ushakov, Nikolai. (2012) Several inequalities for moments of sums and differences of independent random variables. Doklady. Mathematics. volum 85 (1).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2012) On bandwidth selection in kernel density estimation. Journal of nonparametric statistics (Print). volum 24 (2).
    Academic article
  • Ushakov, Nikolai; Ushakova, Anastasia. (2012) On density estimation with superkernels. Journal of nonparametric statistics (Print). volum 24 (3).
    Academic article

2011

  • Ushakov, Nikolai. (2011) One characterization of symmetry. Statistics and Probability Letters. volum 81 (5).
    Academic article
  • Ushakov, Nikolai. (2011) Some inequalities for absolute moments. Statistics and Probability Letters. volum 81 (12).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2011) On convergence of moment generating functions. Statistics and Probability Letters. volum 81 (4).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (2011) Deconvolution under partially known error distribution. Informatika i ee Primeneniya. volum 5 (4).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (2011) On one kernel density estimator. Informatika i ee Primeneniya. volum 5 (3).
    Academic article

2010

  • Ushakov, Nikolai; Ushakov, Vladimir. (2010) Inequalities for mean squared error of multidimensional kernel density estimators. Moscow University Computational Mathematics and Cybernetics. volum 34 (1).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2010) On the choice of the smoothing parameter in kernel density estimation. Moscow University Computational Mathematics and Cybernetics. volum 33 (3).
    Academic article

2007

  • Ushakov, Nikolai; Glad, Ingrid K.; Hjort, Nils Lid. (2007) Mean-squared error of kernel estimators for finite values of the sample size. Journal of Mathematical Sciences. volum 146 (4).
    Academic article
  • Ushakov, Nikolai; Lebedeva, Tatiana. (2007) Uniformly consistent estimators of the characteristic function. Journal of Mathematical Sciences. volum 146 (4).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2007) Lower bounds for characteristic functions and their application. Moscow University Computational Mathematics and Cybernetics. volum 31 (1).
    Academic article

2006

  • Ushakov, Nikolai; Ushakov, Vladimir. (2006) A method for the reconstruction of contour images. Moscow University Computational Mathematics and Cybernetics. volum 30 (2).
    Academic article

2004

  • Meintanis, Simos; Ushakov, Nikolai. (2004) Binned goodness-of-fit tests based on the empirical characteristic function. Statistics and Probability Letters. volum 69 (3).
    Academic article

2003

  • Glad, Ingrid; Ushakov, Nikolai; Hjort, N. L. (2003) Correction of density estimators that are not densities. Scandinavian Journal of Statistics.
    Academic article
  • Prokhorov, Alexandr; Ushakov, Nikolai. (2003) On the problem of reconstructing a summands distribution by the distribution of their sum. Theory of Probability and its Applications. volum 46 (3).
    Academic article

2001

  • Karkkainen, S.; Penttinen, A.; Ushakov, Nikolai; Ushakova, A. (2001) Estimation of orientation characteristic of fibrous matherial. Advances in Applied Probability. volum 33 (3).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2001) The reconstructionof the probability characteristicsof multivariate random functions from projections. Moscow University Computational Mathematics and Cybernetics. volum 24 (4).
    Academic article

2000

  • Ushakov, Nikolai; Ushakov, Vladimir. (2000) Some inequalities for characteristic functions of densities with bounded variation. Moscow University Computational Mathematics and Cybernetics. volum 23 (3).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2000) Some inequalities for multivariate characteristic functions. Journal of Mathematical Sciences. volum 99 (4).
    Academic article

1999

  • Ushakov, Nikolai. (1999) Selected topics in characteristic functions. VSP International Science Publishers. 1999. ISBN 90-6764-307-6.
    Academic monograph
  • Ushakov, Nikolai; Ushakov, Vladimir. (1999) Some inequalities for characteristic functions. Moscow University Computational Mathematics and Cybernetics. volum 22 (3).
    Academic article
  • Zaitsev, S.; Ushakov, Nikolai; Chukalina, M.. (1999) Reconstruction of distribution of admixture concentration in a hidden layer by X-ray fluorescent signal (thin beams). Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques. volum 15 (4).
    Academic article

1998

  • Aristov, V.; Ushakov, Nikolai; Ushakova, A. (1998) Stochastic tomography. Doklady. Mathematics. volum 57 (2).
    Academic article
  • Chukalina, M.; Ushakov, Nikolai; Zaitsev, S.. (1998) Signal formation, simulation and inverse problem in scanning fluorescent x-ray microscopy using focused beams for analysis of the surface relief. Scanning microscopy. volum 12 (2).
    Academic article
  • Kankainen, A.; Ushakov, Nikolai. (1998) A consistent modification of a test for independencebased on the empirical characteristic function. Journal of Mathematical Sciences. volum 89 (5).
    Academic article
  • Ushakov, Nikolai. (1998) On discrete unimodality. Journal of Mathematical Sciences. volum 91 (3).
    Academic article
  • Ushakov, Nikolai; Ushakova, A. (1998) 3D reconstruction from projections for stochastic objects (stochastic tomography). Electronics Letters. volum 34.
    Academic article
  • Zaitsev, S.; Ushakov, Nikolai. (1998) Determination of parameters of microroughness from a SEM signal. Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques. volum 14.
    Academic article

1997

  • Avrutin, V.; Gartman, Ya.; Zaitsev, S.; Zuev, A.; Izyumskaya, N.; Ushakov, Nikolai; Chukalina, M.. (1997) X-ray microprobe size determination. Bulletin of the Russian Academy of Sciences: Physics. volum 61 (10).
    Academic article
  • Ushakov, Nikolai. (1997) Lower and upper bounds for characteristic functions. Journal of Mathematical Sciences. volum 84 (3).
    Academic article
  • Ushakov, Nikolai; Firsova, A.. (1997) Model for a signal of electrons backscattered from the buried interface. Bulletin of the Russian Academy of Sciences: Physics. volum 61 (10).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (1997) An estimate of the decomposition stability of the Poisson distributioninto identical components. Journal of Mathematical Sciences. volum 83 (3).
    Academic article
  • Ushakov, Nikolai; Ushakova, A; Yakimov, E.. (1997) Diffusion length distribution at the varied beam accelerating voltage. Bulletin of the Russian Academy of Sciences: Physics. volum 61 (10).
    Academic article
  • Zaitsev, S.; Ushakov, Nikolai; Chukalina, M.. (1997) X-ray fluorescence signals formed by a buried film-backing interface. Bulletin of the Russian Academy of Sciences: Physics. volum 61 (10).
    Academic article

1996

  • Dreomova, N.; Zaitsev, S.; Kononchuk, O.; Rau, E.; Ushakov, Nikolai; Chukalina, M.; Yakimov, E.. (1996) New concept of a semiconductor energy-sensitive detector of backscattered electrons. Bulletin of the Russian Academy of Sciences: Physics. volum 60 (2).
    Academic article
  • Ushakov, Nikolai; Firsova, A.. (1996) A monotone regularization method for one class of non-linear integral equations. Computational Mathematics and Mathematical Physics. volum 36 (2).
    Academic article
  • Zaitsev, S.; Ushakov, Nikolai; Chukalina, M.. (1996) X-ray fluorescence microtopography. Bulletin of the Russian Academy of Sciences: Physics. volum 60 (2).
    Academic article

1995

  • Ushakov, Nikolai; Ushakova, A. (1995) Estimations of the decomposition stability into identical components. Statistics and Probability Letters. volum 25 (3).
    Academic article

1992

  • Kononchuk, O.; Ushakov, Nikolai; Yakimov, E.. (1992) Determination of the diffusion length profile by variation in a depleted layer width. Bulletin of the Russian Academy of Sciences: Physics. volum 56 (3).
    Academic article
  • Ushakov, Nikolai; Zaitsev, S.. (1992) Characterization of surface flatness by the backscattered electron coeffisient. Semiconductor Science and Technology. volum 7.
    Academic article
  • Ushakov, Nikolai; Zaitsev, S.. (1992) Computer calculation of a real surface profile from a SEM signal. Journal of Electron Microscopy. volum 3.
    Academic article

1991

  • Aristov, V.; Dreomova, N.; Firsova, A.; Kazmiruk, V.; Samsonovich, A.; Ushakov, Nikolai; Zaitsev, S.. (1991) Signal formation of backscattered electrons by microinhomogeneities and surface relief in a SEM. Scanning. volum 13.
    Academic article
  • Firsova, A.; Reimer, L.; Ushakov, Nikolai; Zaitsev, S.. (1991) Comparison of a simple model of BSE signal formation and surface reconstruction with Monte Carlo calculations. Scanning. volum 13.
    Academic article
  • Kononchuk, O.; Ushakov, Nikolai; Yakimov, E.; Zaitsev, S.. (1991) Computer processing of EBIC signals. Journal de Physique IV : Colloque. volum 1.
    Academic article
  • Samsonovich, A.; Sirotkin, V.; Ushakov, Nikolai; Zaitsev, S.. (1991) Recent state of the theory of the methods of induced concentration. Journal de Physique IV : Colloque. volum 1 (C6).
    Academic article
  • Ushakov, Nikolai. (1991) A class of non-linear integral equations. Computational Mathematics and Mathematical Physics. volum 30 (1).
    Academic article
  • Ushakov, Nikolai. (1991) Reconstruction of images by the regularization method. Computational Mathematics and Mathematical Physics. volum 29 (6).
    Academic article

1990

  • Dubonos, S.; Gaifullin, B.; Ushakov, Nikolai. (1990) Statistical image restoration. Computers and Mathematics with Applications. volum 19 (1).
    Academic article
  • Nikitin, A.Yu.; Rau, E.; Sedov, N.; Ushakov, Nikolai. (1990) Investigation of geometry and potential distribution of object in a rastermirror electron microscope. Bulletin of the Russian Academy of Sciences: Physics. volum 54 (2).
    Academic article
  • Ushakov, Nikolai. (1990) Models and algorithms of image processing og local SEM diagnostics. Journal of Crystal Growth. volum 103.
    Academic article

1989

  • Aristov, V.; Kazmiruk, V.; Ushakov, Nikolai; Firsova, A.. (1989) Dependence of electron emission on the surface microstructure. Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques.
    Academic article
  • Aristov, V.; Kazmiruk, V.; Ushakov, Nikolai; Firsova, A.. (1989) Formation of the image of the surface microrelief in a scanning electron microscope. Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques.
    Academic article
  • Suchkov, A.; Ushakov, Nikolai. (1989) Exponential estimates of the rate of decay of the maximum probability in infinite-dimensional spaces. Theory of Probability and its Applications. volum 34 (4).
    Academic article
  • Suchkov, A.; Ushakov, Nikolai. (1989) The rapid decay of concentration functions of sums of independent random variables. Theory of Probability and its Applications. volum 34 (3).
    Academic article

1988

  • Aristov, V.; Dreomova, N.; Zaitsev, S.; Kazmiruk, V.; Ushakov, Nikolai; Firsova, A.. (1988) SEM observations of the three-dimensional microinhomogeneities. Doklady physics (Print).
    Academic article
  • Aristov, V.; Kazmiruk, V.; Ushakov, Nikolai; Ykimov, E.; Zaitsev, S.. (1988) Scanning electron microscopy in submicron structure diagnostics. Vacuum. volum 38 (11).
    Academic article

1987

  • Aristov, V.; Erko, A.; Kopetskii, Ch.; Kuznetsov, S.; Ushakov, Nikolai. (1987) On the problem of reconstruction of wave front by intensity distribution. Optics and Spectroscopy.
    Academic article
  • Ushakov, Nikolai. (1987) On an algorithm for the reconstruction of functions. Computational Mathematics and Mathematical Physics. volum 27 (5).
    Academic article

1986

  • Boglaev, I.; Il'in, A.; Kraposhin, V.; Matveeva, L.; Ushakov, Nikolai. (1986) Some features of the atomic radial-distribution functions of metal glasses. Glass Physics and Chemistry.
    Academic article
  • Kuznetsov, S.; Ushakov, Nikolai. (1986) The problem of numerical reconstruction of a wave front from the distribution of intensity. Computational Mathematics and Mathematical Physics. volum 26 (7).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (1986) On decomposing blends of probability distributions. Theory of Probability and its Applications. volum 31 (2).
    Academic article

1985

  • Ushakov, Nikolai. (1985) Upper estimates of maximum probability for sums of independent random vectors. Theory of Probability and its Applications. volum 30.
    Academic article

1984

  • Ushakov, Vladimir; Ushakov, Nikolai. (1984) Indecomposable probability distributions on groups. Theory of Probability and its Applications. volum 29 (2).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (1984) On indecomposable laws with infinitely divisible projections. Theory of Probability and its Applications. volum 29 (3).
    Academic article

1982

  • Ushakov, Nikolai. (1982) On a problem of Renyi. Theory of Probability and its Applications. volum 27 (2).
    Academic article

1981

  • Ushakov, Nikolai. (1981) On the maximal probability for sums of independent random vectors. Doklady. Mathematics. volum 24 (3).
    Academic article
  • Ushakov, Nikolai. (1981) On the maximum of the probability density of a sum of independent random vectors with spherically symmetric distributions. Doklady. Mathematics. volum 24 (3).
    Academic article
  • Ushakov, Nikolai. (1981) Some inequalities for characteristic functions of unimodal distributions. Theory of Probability and its Applications. volum 26 (3).
    Academic article

Journal publications

  • Ushakov, Vladimir G.; Ushakov, Nikolay. (2023) TESTS FOR NORMALITY OF THE PROBABILISTIC DISTRIBUTION WHEN DATA ARE ROUNDED. Informatika i ee Primeneniya. volum 17 (1).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2022) On the effect of rounding on hypothesis testing when sample size is large. Stat. volum 11 (1).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir G.. (2022) Robustness of Normality Criteria with Respect to Rounding Observations. Moscow University Computational Mathematics and Cybernetics. volum 46 (2).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2021) On sensitivity of exponentiality tests to data rounding: a Monte Carlo simulation study. Communications in Statistics - Simulation and Computation.
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2021) The multivariate distributions of output streams in a queueing system with preemptive repeat priority. Informatika i ee Primeneniya. volum 15 (2).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir G.. (2020) Accuracy of estimating the mean from rounded data. Journal of Mathematical Sciences. volum 246 (4).
    Academic article
  • Ushakova, A; Ushakov, Nikolai. (2020) An Estimate of Stability of Reconstruction of the Normal Distribution Type. Journal of Mathematical Sciences. volum 246 (4).
    Academic article
  • Samsonov, Sergei V.; Ushakov, Nikolai; Ushakov, Vladimir G.. (2019) Estimation of the second moment based on rounded data. Journal of Mathematical Sciences. volum 237 (6).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir G.. (2019) Queue length in a queuing system with dependent service times. Moscow University Computational Mathematics and Cybernetics. volum 43 (4).
    Academic article
  • Ushakov, Vladimir G.; Ushakov, Nikolai. (2019) The output streams in the single server queueing system with a head of the line priority. Informatika i ee Primeneniya. volum 13 (4).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir G.. (2018) Moment-based characterizations of the exponential distribution in the class of distributions with monotone hazard rate. Journal of Mathematical Sciences. volum 234 (6).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir G.. (2018) Statistical analysis of rounded data: measurement errors vs rounding errors. Journal of Mathematical Sciences. volum 234 (6).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2017) Permutation tests for homogeneity based on some characterizations. Communications in Statistics - Theory and Methods. volum 46 (15).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2017) Statistical analysis of rounded data: Rcovering of information lost due to rounding. Journal of the Korean Statistical Society. volum 46 (3).
    Academic article
  • Ushakov, Vladimir G.; Ushakov, Nikolai. (2017) Single server queueing system with dependent interarrival times. Informatika i ee Primeneniya. volum 11 (2).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (2017) Boundaries of the precision of restoring information lost after rounding the results from observations. Moscow University Computational Mathematics and Cybernetics. volum 41 (2).
    Academic article
  • Meintanis, Simos; Ushakov, Nikolai. (2016) Nonparametric probability weighted empirical characteristic function and applications. Statistics and Probability Letters. volum 108.
    Academic article
  • Ushakov, Nikolai. (2016) Comments: A review of testing procedures based on the empirical characteristic function. South African Statistical Journal. volum 50.
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2016) A note on characterizations of the exponential distribution. Journal of Mathematical Sciences. volum 214 (1).
    Academic article
  • Ushakov, VG; Ushakov, Nikolai. (2016) Inequalities for order statistics of samples from distributions with monotone hazard rate. Doklady. Mathematics. volum 93 (3).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (2016) On one test of homogeneity. Doklady. Mathematics. volum 93 (3).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (2016) On queue length in a queueing system with Erlang incoming flow. Moscow University Computational Mathematics and Cybernetics. volum 40 (3).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (2015) Inequalities for sums of random variables and the characterization of homogeneity. Moscow University Computational Mathematics and Cybernetics. volum 39 (2).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (2015) On averaging of rounded data. Informatika i ee Primeneniya. volum 9 (4).
    Academic article
  • Ushakov, Nikolai. (2012) A note on superkernel density estimators. Mathematical Methods of Statistics. volum 21 (1).
    Academic article
  • Ushakov, Nikolai. (2012) Several inequalities for moments of sums and differences of independent random variables. Doklady. Mathematics. volum 85 (1).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2012) On bandwidth selection in kernel density estimation. Journal of nonparametric statistics (Print). volum 24 (2).
    Academic article
  • Ushakov, Nikolai; Ushakova, Anastasia. (2012) On density estimation with superkernels. Journal of nonparametric statistics (Print). volum 24 (3).
    Academic article
  • Ushakov, Nikolai. (2011) One characterization of symmetry. Statistics and Probability Letters. volum 81 (5).
    Academic article
  • Ushakov, Nikolai. (2011) Some inequalities for absolute moments. Statistics and Probability Letters. volum 81 (12).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2011) On convergence of moment generating functions. Statistics and Probability Letters. volum 81 (4).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (2011) Deconvolution under partially known error distribution. Informatika i ee Primeneniya. volum 5 (4).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (2011) On one kernel density estimator. Informatika i ee Primeneniya. volum 5 (3).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2010) Inequalities for mean squared error of multidimensional kernel density estimators. Moscow University Computational Mathematics and Cybernetics. volum 34 (1).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2010) On the choice of the smoothing parameter in kernel density estimation. Moscow University Computational Mathematics and Cybernetics. volum 33 (3).
    Academic article
  • Ushakov, Nikolai; Glad, Ingrid K.; Hjort, Nils Lid. (2007) Mean-squared error of kernel estimators for finite values of the sample size. Journal of Mathematical Sciences. volum 146 (4).
    Academic article
  • Ushakov, Nikolai; Lebedeva, Tatiana. (2007) Uniformly consistent estimators of the characteristic function. Journal of Mathematical Sciences. volum 146 (4).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2007) Lower bounds for characteristic functions and their application. Moscow University Computational Mathematics and Cybernetics. volum 31 (1).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2006) A method for the reconstruction of contour images. Moscow University Computational Mathematics and Cybernetics. volum 30 (2).
    Academic article
  • Meintanis, Simos; Ushakov, Nikolai. (2004) Binned goodness-of-fit tests based on the empirical characteristic function. Statistics and Probability Letters. volum 69 (3).
    Academic article
  • Glad, Ingrid; Ushakov, Nikolai; Hjort, N. L. (2003) Correction of density estimators that are not densities. Scandinavian Journal of Statistics.
    Academic article
  • Prokhorov, Alexandr; Ushakov, Nikolai. (2003) On the problem of reconstructing a summands distribution by the distribution of their sum. Theory of Probability and its Applications. volum 46 (3).
    Academic article
  • Karkkainen, S.; Penttinen, A.; Ushakov, Nikolai; Ushakova, A. (2001) Estimation of orientation characteristic of fibrous matherial. Advances in Applied Probability. volum 33 (3).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2001) The reconstructionof the probability characteristicsof multivariate random functions from projections. Moscow University Computational Mathematics and Cybernetics. volum 24 (4).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2000) Some inequalities for characteristic functions of densities with bounded variation. Moscow University Computational Mathematics and Cybernetics. volum 23 (3).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (2000) Some inequalities for multivariate characteristic functions. Journal of Mathematical Sciences. volum 99 (4).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (1999) Some inequalities for characteristic functions. Moscow University Computational Mathematics and Cybernetics. volum 22 (3).
    Academic article
  • Zaitsev, S.; Ushakov, Nikolai; Chukalina, M.. (1999) Reconstruction of distribution of admixture concentration in a hidden layer by X-ray fluorescent signal (thin beams). Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques. volum 15 (4).
    Academic article
  • Aristov, V.; Ushakov, Nikolai; Ushakova, A. (1998) Stochastic tomography. Doklady. Mathematics. volum 57 (2).
    Academic article
  • Chukalina, M.; Ushakov, Nikolai; Zaitsev, S.. (1998) Signal formation, simulation and inverse problem in scanning fluorescent x-ray microscopy using focused beams for analysis of the surface relief. Scanning microscopy. volum 12 (2).
    Academic article
  • Kankainen, A.; Ushakov, Nikolai. (1998) A consistent modification of a test for independencebased on the empirical characteristic function. Journal of Mathematical Sciences. volum 89 (5).
    Academic article
  • Ushakov, Nikolai. (1998) On discrete unimodality. Journal of Mathematical Sciences. volum 91 (3).
    Academic article
  • Ushakov, Nikolai; Ushakova, A. (1998) 3D reconstruction from projections for stochastic objects (stochastic tomography). Electronics Letters. volum 34.
    Academic article
  • Zaitsev, S.; Ushakov, Nikolai. (1998) Determination of parameters of microroughness from a SEM signal. Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques. volum 14.
    Academic article
  • Avrutin, V.; Gartman, Ya.; Zaitsev, S.; Zuev, A.; Izyumskaya, N.; Ushakov, Nikolai; Chukalina, M.. (1997) X-ray microprobe size determination. Bulletin of the Russian Academy of Sciences: Physics. volum 61 (10).
    Academic article
  • Ushakov, Nikolai. (1997) Lower and upper bounds for characteristic functions. Journal of Mathematical Sciences. volum 84 (3).
    Academic article
  • Ushakov, Nikolai; Firsova, A.. (1997) Model for a signal of electrons backscattered from the buried interface. Bulletin of the Russian Academy of Sciences: Physics. volum 61 (10).
    Academic article
  • Ushakov, Nikolai; Ushakov, Vladimir. (1997) An estimate of the decomposition stability of the Poisson distributioninto identical components. Journal of Mathematical Sciences. volum 83 (3).
    Academic article
  • Ushakov, Nikolai; Ushakova, A; Yakimov, E.. (1997) Diffusion length distribution at the varied beam accelerating voltage. Bulletin of the Russian Academy of Sciences: Physics. volum 61 (10).
    Academic article
  • Zaitsev, S.; Ushakov, Nikolai; Chukalina, M.. (1997) X-ray fluorescence signals formed by a buried film-backing interface. Bulletin of the Russian Academy of Sciences: Physics. volum 61 (10).
    Academic article
  • Dreomova, N.; Zaitsev, S.; Kononchuk, O.; Rau, E.; Ushakov, Nikolai; Chukalina, M.; Yakimov, E.. (1996) New concept of a semiconductor energy-sensitive detector of backscattered electrons. Bulletin of the Russian Academy of Sciences: Physics. volum 60 (2).
    Academic article
  • Ushakov, Nikolai; Firsova, A.. (1996) A monotone regularization method for one class of non-linear integral equations. Computational Mathematics and Mathematical Physics. volum 36 (2).
    Academic article
  • Zaitsev, S.; Ushakov, Nikolai; Chukalina, M.. (1996) X-ray fluorescence microtopography. Bulletin of the Russian Academy of Sciences: Physics. volum 60 (2).
    Academic article
  • Ushakov, Nikolai; Ushakova, A. (1995) Estimations of the decomposition stability into identical components. Statistics and Probability Letters. volum 25 (3).
    Academic article
  • Kononchuk, O.; Ushakov, Nikolai; Yakimov, E.. (1992) Determination of the diffusion length profile by variation in a depleted layer width. Bulletin of the Russian Academy of Sciences: Physics. volum 56 (3).
    Academic article
  • Ushakov, Nikolai; Zaitsev, S.. (1992) Characterization of surface flatness by the backscattered electron coeffisient. Semiconductor Science and Technology. volum 7.
    Academic article
  • Ushakov, Nikolai; Zaitsev, S.. (1992) Computer calculation of a real surface profile from a SEM signal. Journal of Electron Microscopy. volum 3.
    Academic article
  • Aristov, V.; Dreomova, N.; Firsova, A.; Kazmiruk, V.; Samsonovich, A.; Ushakov, Nikolai; Zaitsev, S.. (1991) Signal formation of backscattered electrons by microinhomogeneities and surface relief in a SEM. Scanning. volum 13.
    Academic article
  • Firsova, A.; Reimer, L.; Ushakov, Nikolai; Zaitsev, S.. (1991) Comparison of a simple model of BSE signal formation and surface reconstruction with Monte Carlo calculations. Scanning. volum 13.
    Academic article
  • Kononchuk, O.; Ushakov, Nikolai; Yakimov, E.; Zaitsev, S.. (1991) Computer processing of EBIC signals. Journal de Physique IV : Colloque. volum 1.
    Academic article
  • Samsonovich, A.; Sirotkin, V.; Ushakov, Nikolai; Zaitsev, S.. (1991) Recent state of the theory of the methods of induced concentration. Journal de Physique IV : Colloque. volum 1 (C6).
    Academic article
  • Ushakov, Nikolai. (1991) A class of non-linear integral equations. Computational Mathematics and Mathematical Physics. volum 30 (1).
    Academic article
  • Ushakov, Nikolai. (1991) Reconstruction of images by the regularization method. Computational Mathematics and Mathematical Physics. volum 29 (6).
    Academic article
  • Dubonos, S.; Gaifullin, B.; Ushakov, Nikolai. (1990) Statistical image restoration. Computers and Mathematics with Applications. volum 19 (1).
    Academic article
  • Nikitin, A.Yu.; Rau, E.; Sedov, N.; Ushakov, Nikolai. (1990) Investigation of geometry and potential distribution of object in a rastermirror electron microscope. Bulletin of the Russian Academy of Sciences: Physics. volum 54 (2).
    Academic article
  • Ushakov, Nikolai. (1990) Models and algorithms of image processing og local SEM diagnostics. Journal of Crystal Growth. volum 103.
    Academic article
  • Aristov, V.; Kazmiruk, V.; Ushakov, Nikolai; Firsova, A.. (1989) Dependence of electron emission on the surface microstructure. Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques.
    Academic article
  • Aristov, V.; Kazmiruk, V.; Ushakov, Nikolai; Firsova, A.. (1989) Formation of the image of the surface microrelief in a scanning electron microscope. Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques.
    Academic article
  • Suchkov, A.; Ushakov, Nikolai. (1989) Exponential estimates of the rate of decay of the maximum probability in infinite-dimensional spaces. Theory of Probability and its Applications. volum 34 (4).
    Academic article
  • Suchkov, A.; Ushakov, Nikolai. (1989) The rapid decay of concentration functions of sums of independent random variables. Theory of Probability and its Applications. volum 34 (3).
    Academic article
  • Aristov, V.; Dreomova, N.; Zaitsev, S.; Kazmiruk, V.; Ushakov, Nikolai; Firsova, A.. (1988) SEM observations of the three-dimensional microinhomogeneities. Doklady physics (Print).
    Academic article
  • Aristov, V.; Kazmiruk, V.; Ushakov, Nikolai; Ykimov, E.; Zaitsev, S.. (1988) Scanning electron microscopy in submicron structure diagnostics. Vacuum. volum 38 (11).
    Academic article
  • Aristov, V.; Erko, A.; Kopetskii, Ch.; Kuznetsov, S.; Ushakov, Nikolai. (1987) On the problem of reconstruction of wave front by intensity distribution. Optics and Spectroscopy.
    Academic article
  • Ushakov, Nikolai. (1987) On an algorithm for the reconstruction of functions. Computational Mathematics and Mathematical Physics. volum 27 (5).
    Academic article
  • Boglaev, I.; Il'in, A.; Kraposhin, V.; Matveeva, L.; Ushakov, Nikolai. (1986) Some features of the atomic radial-distribution functions of metal glasses. Glass Physics and Chemistry.
    Academic article
  • Kuznetsov, S.; Ushakov, Nikolai. (1986) The problem of numerical reconstruction of a wave front from the distribution of intensity. Computational Mathematics and Mathematical Physics. volum 26 (7).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (1986) On decomposing blends of probability distributions. Theory of Probability and its Applications. volum 31 (2).
    Academic article
  • Ushakov, Nikolai. (1985) Upper estimates of maximum probability for sums of independent random vectors. Theory of Probability and its Applications. volum 30.
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (1984) Indecomposable probability distributions on groups. Theory of Probability and its Applications. volum 29 (2).
    Academic article
  • Ushakov, Vladimir; Ushakov, Nikolai. (1984) On indecomposable laws with infinitely divisible projections. Theory of Probability and its Applications. volum 29 (3).
    Academic article
  • Ushakov, Nikolai. (1982) On a problem of Renyi. Theory of Probability and its Applications. volum 27 (2).
    Academic article
  • Ushakov, Nikolai. (1981) On the maximal probability for sums of independent random vectors. Doklady. Mathematics. volum 24 (3).
    Academic article
  • Ushakov, Nikolai. (1981) On the maximum of the probability density of a sum of independent random vectors with spherically symmetric distributions. Doklady. Mathematics. volum 24 (3).
    Academic article
  • Ushakov, Nikolai. (1981) Some inequalities for characteristic functions of unimodal distributions. Theory of Probability and its Applications. volum 26 (3).
    Academic article

Books

  • Ushakov, Nikolai. (1999) Selected topics in characteristic functions. VSP International Science Publishers. 1999. ISBN 90-6764-307-6.
    Academic monograph

Teaching

Courses

  • MA8704 - Probability Theory and Asymptotic Techniques
  • TMA4267 - Linear Statistical Models

Media

2019

  • Academic lecture
    Ushakov, Nikolai. (2019) Estimating the mean from rounded data. Analytical Methods in Statistics (AMISTAT 2019) ; Liberec. 2019-09-16 - 2019-09-19.

2018

  • Academic lecture
    Ushakov, Nikolai; Ushakov, Vladimir G.. (2018) Permutation tests for homogeneity based on some characterizations. 35-th International Seminar on Stability Problems for Stochastic Models, ISSPSM 2018 ; 2018-09-24 - 2018-09-28.
  • Academic lecture
    Ushakov, Nikolai; Ushakova, A. (2018) On stability of characterization of distribution types. 35-th International Seminar on Stability Problems for Stochastic Models, ISSPSM 2018 ; 2018-09-24 - 2018-09-28.

2017

  • Academic lecture
    Ushakov, Nikolai; Ushakov, Vladimir. (2017) Recovering information lost due to discretization. 34 International Conference on Stability Problems for Stochastic Models ; Debrecen. 2017-08-25 - 2017-08-29.

2016

  • Academic lecture
    Ushakov, Nikolai; Ushakov, Vladimir. (2016) Inequalities for order statistics from distributions with monotone hazard rate. 12th International Conference on Order Statistical Data ; Piraeus. 2016-05-25 - 2016-05-28.
  • Academic lecture
    Ushakov, Nikolai; Ushakov, Vladimir. (2016) On optimal variance of the additional error in averaging of rounded data. 33-th International Conference on Stability Problems for Stochastic Models ; Svetlogorsk. 2016-06-12 - 2016-06-18.
  • Academic lecture
    Ushakov, Nikolai; Ushakov, Vladimir. (2016) Some inequalities for distributions with monotone hazard rate. The Second International Symposium on Stochastic Models in Reliability Engineering, Life Science and Operations Management (SMRLO'16) ; Beer Sheva. 2016-02-15 - 2016-02-18.

2015

  • Academic lecture
    Ushakov, Nikolai. (2015) On MISE-based bandwidth selection. Analytical Methods in Statistics (AMISTAT 2015) ; Praha. 2015-11-10 - 2015-11-13.

2013

  • Academic lecture
    Ushakov, Nikolai; Ushakov, Vladimir. (2013) On characterization of the exponential distribution. 31-th International Conference on Stability Problems for Stochastic Models ; Moscow. 2013-04-23 - 2013-04-27.

2012

  • Academic lecture
    Ushakov, Nikolai. (2012) Some characterizations of symmetry. 30-th International Conference on Stability Problems for Stochastic Models ; Svetlogorsk. 2012-09-24 - 2012-09-30.

2009

  • Academic lecture
    Ushakov, Nikolai. (2009) Some inequalities for the mean integrated squared error of multivariate kernel density estimators. The 6-th International Conference Mathematical Methods in Reliability ; 2009-07-22 - 2009-07-27.

2007

  • Academic lecture
    Ushakov, Nikolai; Glad, Ingrid K.; Hjort, Nils Lid. (2007) Asymptotical and finite sample properties of the sinc estimator. 26-th international conference "Stability problems for stochastic models" ; 2007-10-21 - 2007-10-29.

2005

  • Academic lecture
    Glad, Ingrid K.; Hjort, Nils Lid; Ushakov, Nikolai. (2005) Mean squared error of kernel estimators for finite values of the sample size. 25-th International Conference on Stability Problems for Stochastic Models ; 2005-09-24 - 2005-09-30.

2003

  • Academic lecture
    Meintanis, Simos; Ushakov, Nikolai. (2003) Goodness-of-fit tests based on prebinned data. 23-d International Conference on Stability Problems for Stochastic Models ; Pamplona. 2003-05-12 - 2003-05-17.
  • Academic lecture
    Ushakov, Nikolai. (2003) Statistical inference based on prebinned data. 12th Norske Statistikermøte ; Hurdal. 2003-06-16 - 2003-06-18.

2002

  • Academic lecture
    Glad, Ingrid K.; Hjort, Nils Lid; Ushakov, Nikolai. (2002) Correction of density estimators which are not densities. 15-th Greek Conference on Probability and Statistics ; Ioannina. 2002-05-08.
  • Academic lecture
    Lebedeva, Tatiana; Ushakova, A; Ushakov, Nikolai. (2002) Improvement of density estimators when sample is not available. XXII International Seminar on Stability Problems for Stochastic Models ; Varna. 2002-05-25 - 2002-05-31.

1998

  • Academic lecture
    Aristov, V.; Chukalina, M.; Dubonos, S.; Shabelnikov, L.; Svintsov, A.; Ushakov, Nikolai; Zaitsev, S.. (1998) X-ray phase differntial contrast in co-planar and co-axial schemes. 15th International Congress on X-ray Optics and Microanalysis (ICXOM15) ; Antverpen. 1998-08-24 - 1998-08-27.
  • Academic lecture
    Chukalina, M.; Fedorenko, A.; Ushakov, Nikolai; Zaitsev, S.. (1998) X-ray fluorescent scanning apparatus tomography. 15th International Congress on X-ray Optics and Microanalysis (ICXOM15) ; Antverpen. 1998-08-24 - 1998-08-27.
  • Academic lecture
    Chukalina, M.; Fedorenko, A.; Ushakov, Nikolai; Zaitsev, S.. (1998) X-ray fluorescent scanning apparatus tomography. 5th International Workshop on Beam Injection Assessment of defects in semiconductors (BIADS 98) ; Berlin. 1998-08-30 - 1998-09-03.
  • Academic lecture
    Chukalina, M.; Rau, E.; Ushakov, Nikolai; Yakimov, E.; Zaitsev, S.. (1998) Models of the backscattered electrons signal formation with use of energy analyzer. 5th International Workshop on Beam Injection Assessment of defects in semiconductors (BIADS 98) ; Berlin. 1998-08-30 - 1998-09-03.
  • Academic lecture
    Chukalina, M.; Ushakov, Nikolai; Zaitsev, S.. (1998) Scanning X-ray fluorescent Microscopy with microbeams: models, inverse problems, accuracy and resolution. 15th International Congress on X-ray Optics and Microanalysis (ICXOM15) ; Antverpen. 1998-08-24 - 1998-08-27.
  • Academic lecture
    Ushakov, Nikolai; Ushakova, A. (1998) Stochastic tomography. 19-th International Conference for Stochastic Models ; 1998-09-05.

1997

  • Academic lecture
    Dreomova, N.; Rau, E.; Robinson, B; Savin, V.; Sedov, N.; Ushakov, Nikolai. (1997) Improvement of spectrometer of backscattered electrons in SEM. 10-th Russian Conference on Scanning Electron Microscopy (SEM-97) ; Chernogolovka. 1997-06-01.
  • Academic lecture
    Korolev, V.; Ushakov, Vladimir; Ushakov, Nikolai. (1997) Application of methods of random walks to calculation of the backscattered electron signal from objects having surface inhomogeneities. 10-th Russian Symposium on Scanning Electron Microscopy (SEM-97) ; Chernogolovka. 1997-06-01.
  • Academic lecture
    Zaitsev, S.; Ushakov, Nikolai; Chukalina, M.. (1997) Characterization of microstructures by scanning beam methods (PIXE and x-ray fluorescent microscopy): models and inverse problems. 10-th Russian Conference on Scanning Electron Microscopy (SEM-97) ; Chernogolovka. 1997-06-01.
  • Academic lecture
    Zaitsev, S.; Ushakov, Nikolai; Chukalina, M.. (1997) On a possibility of investigation of magnetic domens by x-ray fluorescent signal. 10-th Russian Conference on Scanning Electron Microscopy (SEM-97) ; Chernogolovka. 1997-06-01.
  • Academic lecture
    Zaitsev, S.; Ushakov, Nikolai; Chukalina, M.. (1997) On a possibility of reconstruction of planar distribution of admixture in hidden layers by x-ray fluorescent signal. 10-th Russian Conference on Scanning Electron Microscopy (SEM-97) ; Chernogolovka. 1997-06-01.
  • Academic lecture
    Zaitsev, S.; Ushakov, Nikolai; Chukalina, M.. (1997) On influence of the detector size on the precision of reconstruction of surface relief and film thicknes. 10-th Russian Conference on Scanning Electron Microscopy (SEM-97) ; Chernogolovka. 1997-06-01.
  • Academic lecture
    Zaitsev, S.; Ushakov, Nikolai; Chukalina, M.. (1997) Reconstruction of geometry of the surface microrelief and hidden boundaries of thin films in x-ray fluorescent microscopy. National Conference on Applications of X-ray, Synchrotron Radiation, Neutrons and Electrons for Investigation of Materials (RSNE-97) ; Dubna. 1997-10-05.
  • Academic lecture
    Zaitsev, S.; Ushakov, Nikolai; Chukalina, M.. (1997) Reconstruction of the concentration of admixture in a hidden layer by x-ray fluorescent signal. National Conference on Applications of X-ray, Synchrotron Radiation, Neutrons and Electrons for Investigation of Materials (RSNE-97) ; Dubna. 1997-10-05.
  • Academic lecture
    Zaitsev, S.; Ushakov, Nikolai; Chukalina, M.. (1997) Reconstruction of the form of a hidden film-substrate boundary by signal of x-ray fluorescent microscopy. 10-th Russian Conference on Scanning Electron Microscopy (SEM-97) ; Chernogolovka. 1997-06-01.

1995

  • Academic lecture
    Chukalina, M.; Dremov, V.; Ushakov, Nikolai; Zaitsev, S.. (1995) Calibration system for X-Ray microscopes. Workshop on Bragg-Fresnel optic ; Grenoble. 1995-09-12.
  • Academic lecture
    Chukalina, M.; Dreomova, N.; Kononchuk, O.; Rau, E.; Ushakov, Nikolai; Zaitsev, S.; Yakimov, E.. (1995) Semiconductor detectors-analyzers of backscattered electrons in SEM. 9-th Russian Conference on Scanning Electron Microscopy (SEM-95) ; Chernogolovka. 1995-07-06.
  • Academic lecture
    Chukalina, M.; Rau, E.; Ushakov, Nikolai; Zaitsev, S.. (1995) SEM microtopography based on the use of energy analyzer. 9-th Russian Conference on Scanning Electron Microscopy (SEM-95) ; Chernogolovka. 1995-07-06.
  • Academic lecture
    Chukalina, M.; Ushakov, Nikolai; Zaitsev, S.. (1995) X-Ray fluorescent microtopography. Workshop on Bragg-Fresnel optic ; Grenoble. 1995-09-12.
  • Academic lecture
    Dreomova, N.; Zaitsev, S.; Rau, E.; Sedov, N.; Ushakov, Nikolai; Yakimov, E.. (1995) Some aspects of SEM profilometry in backscattered and mirror-reflected electrons mode. 9-th Russian Conference on Scanning Electron Microscopy (SEM-95) ; Chernogolovka. 1995-07-06.

1993

  • Academic lecture
    Drokin, A.; Zaitsev, S.; Rau, E.; Ushakov, Nikolai. (1993) Visualization of microstructures in reflected electrons in SEM with selection of information along the depth. 8-th Russian Conference on Scanning Electron Microscopy (SEM-93) ; Chernogolovka. 1993-05-14.
  • Academic lecture
    Zaitsev, S.; Ushakov, Nikolai. (1993) Calculation of the fractal dimension of rough surfaces by the average value of SEM signal. 8-th Russian Conference on Scanning Electron Microscopy (SEM-93) ; Chernogolovka. 1993-05-14.

1991

  • Academic lecture
    Aksenov, L.; Aristov, V.; Rau, E.; Ushakov, Nikolai; Frolov, K.. (1991) Optical scanning microscopy and tomography of semiconductor crystals. 7-th Russian Conference on Scanning Electron Microscopy (SEM-91) ; Zvenigorod. 1991-05-27.
  • Academic lecture
    Aristov, V.; Ushakov, Nikolai; Yakimov, E.; Zaitsev, S.. (1991) Computer processing of EBIC signals. 2-nd International Workshop Beam injection assessment of defects in semiconductors ; Meudon-Bellevue. 1991-07-15 - 1991-07-18.
  • Academic lecture
    Zaitsev, S.; Kazmiruk, V.; Kotelnikova, L.; Ushakov, Nikolai. (1991) Characterization of the surface flatness by the backscattering coefficient. 7-th Russian Conference on Scanning Electron Microscopy (SEM-91) ; Zvenigorod. 1991-05-27.
  • Academic lecture
    Zaitsev, S.; Ushakov, Nikolai; Firsova, A.. (1991) Comparison of a simple model of signal formation in SEM with Monte Carlo simulation. 7-th Russian Conference on Scanning Electron Microscopy (SEM-91) ; Zvenigorod. 1991-05-27.

1990

  • Academic lecture
    Aristov, V.; Dreomova, N.; Firsova, A.; Kazmiruk, V.; Samsonovich, A.; Ushakov, Nikolai; Zaitsev, S.. (1990) Image formation by microinhomogenities and surface relief using backscattered electrons. 29-th International Conference on Scanning Electron Microscopy ; Halle. 1990-06-07.
  • Academic lecture
    Aristov, V.; Ivanov, Sergej; Ushakov, Nikolai. (1990) On possibilities of design of electron beam based computers. 29-th International Conference on Scanning Electron Microscopy ; 1990-06-07.

1989

  • Academic lecture
    Ushakov, Nikolai. (1989) Models and algorithms of image processing of a local SEM-diagnostics. 3 International Conference on Defect Recognition and Image Processing (DRIP 3) ; Tokyo. 1989-09-22.

1988

  • Academic lecture
    Dubonos, S.; Gaifullin, B.; Ushakov, Nikolai. (1988) Statistical image restoration. International Conference on Stochastic Processes and their Applications on PC (CSPPC) ; Debrecen. 1988-09-10.

1987

  • Academic lecture
    Aristov, V.; Dreomova, N.; Zaitsev, S.; Kazmiruk, V.; Ushakov, Nikolai; Firsova, A.. (1987) Employment of backscattered electrons in SEM tomography for investigation of surface layers and films. Electron Microscopy of Thin Layers and Layer Systems ; Haale. 1987-05-14.

1986

  • Academic lecture
    Ushakova, A; Ushakov, Nikolai. (1986) Decomposition stability and lower estimates of the rate of convergence to stable laws. First World Congress of the Bernoulli Society for Mathematical Statistics and Probability ; Tashkent. 1986-09-08 - 1986-09-14.

1981

  • Academic lecture
    Ushakov, Nikolai. (1981) On the maximal probability of the sum of independent random vectors. Third International Vilnius Conference on Probability Theory and Mathematical Statistics ; Vilnius. 1981-06-26.
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