Hjem
Aleksandr Malyshevs bilde

Aleksandr Malyshev

Professor
  • E-postAlexander.Malyshev@uib.no
  • Telefon+47 55 58 47 72+47 402 04 947
  • Besøksadresse
    Realfagbygget, Allégt. 41
  • Postadresse
    Postboks 7803
    5020 Bergen
Vitenskapelig artikkel
  • Malyshev, Alexander; Sadkane, Miloud. 2019. On the distance to instability of quadratic matrix polynomials. Comptes rendus. Mathematique. 571-575.
  • Malyshev, Alexander; Sadkane, Miloud. 2018. The Bauer-Type Factorization of Matrix Polynomials Revisited and Extended. Computational Mathematics and Mathematical Physics. 1025-1034.
  • Malyshev, Alexander; Quirynen, Rien; Knyazev, Andrew. 2018. Preconditioning of conjugate gradient iterations in interior point MPC method. IFAC-PapersOnLine. 394-399.
  • Malyshev, Alexander; Quirynen, Rien; Knyazev, Andrew. 2018. Preconditioned Krylov iterations and condensing in interior point MPC method. IFAC-PapersOnLine. 388-393.
  • Hanson, Erik Andreas; Sandmann, Constantin; Malyshev, Alexander; Lundervold, Arvid; Modersitzki, Jan; Hodneland, Erlend. 2018. Estimating the discretization dependent accuracy of perfusion in coupled capillary flow measurements. PLOS ONE. 1-16.
  • Knyazev, Andrew; Malyshev, Alexander. 2017. Least squares dynamics in Newton-Krylov Model Predictive Control. American Control Conference (ACC). 5045-5050.
  • Knyazev, Andrew; Malyshev, Alexander. 2016. Sparse preconditioning for model predictive control. American Control Conference (ACC). 4494-4499.
  • Knyazev, Andrew; Malyshev, Alexander. 2016. Accelerated graph-based nonlinear denoising filters. Procedia Computer Science. 607-616.
  • Knyazev, Andrew; Malyshev, Alexander. 2015. Preconditioning for continuation model predictive control. IFAC-PapersOnLine. 191-196.
  • Knyazev, Andrew; Malyshev, Alexander. 2015. Efficient particle continuation model predictive control. IFAC-PapersOnLine. 287-291.
  • Knyazev, Andrew; Malyshev, Alexander. 2015. Continuation model predictive control on smooth manifolds. IFAC-PapersOnLine. 126-131.
  • Malyshev, Alexander; Sadkane, Miloud. 2014. On the computation of the distance to quadratic matrix polynomials that are singular at some points on the unit circle. Electronic Transactions on Numerical Analysis. 165-176.
  • Malyshev, Alexander; Sadkane, Miloud. 2014. Fast solution of unsymmetric banded Toeplitz systems by means of spectral factorizations and Woodbury's formula. Numerical Linear Algebra with Applications. 13-23.
  • Malyshev, Alexander; Sadkane, Miloud; Salam, Ahmed. 2014. A subspace iteration for symplectic matrices. Electronic Transactions on Numerical Analysis. 213-222.
  • Malyshev, Alexander; Sadkane, Miloud. 2014. A bisection method for measuring the distance of a quadratic matrix polynomial to the quadratic matrix polynomials that are singular on the unit circle. BIT Numerical Mathematics. 189-200.
  • Malyshev, Alexander. 2013. On the stability of a two-sided sweep algorithm. Sibirskie Elektronnye Matematicheskie Izvestiya. 504-516.
  • Malyshev, Alexander. 2013. On the acceleration of an algorithm for polynomial factorization. Doklady. Mathematics. 586-589.
  • Malyshev, Alexander. 2013. On solution of large systems of linear equations with block-Toeplitz banded matrices. Doklady. Mathematics. 153-155.
  • Malyshev, Alexander; Sadkane, Miloud. 2011. Using the Sherman-Morrison-Woodbury inversion formula for a fast solution of tridiagonal block Toeplitz systems. Linear Algebra and its Applications. 2693-2707.
  • Malyshev, Alexander; Sadkane, Miloud; Pourquier, Olivier. 2011. Circular trichotomy of the spectrum of regular matrix pencils. Linear Algebra and its Applications. 717-733.
  • Elo, Christoffer; Malyshev, Alexander; Rahman, Talal. 2009. A dual formulation of the TV-Stokes algorithm for image denoising. Lecture Notes in Computer Science (LNCS). 307-318.
  • Elo, Christoffer Artturi; Malyshev, Alexander; Rahman, Talal. 2009. A Dual Formulation of the TV-Stokes Algorithm for Image Denoising. Lecture Notes in Computer Science (LNCS). 307-318.
  • Godunov, Sergei; Malyshev, Alexander. 2008. On a Special Basis of Approximate Eigenvectors with Local Supports for an Isolated Narrow Cluster of Eigenvalues of a Symmetric Tridiagonal Matrix. Computational Mathematics and Mathematical Physics. 1089-1099.
  • Malyshev, Alexander; Sadkane, Miloud. 2006. Condition numbers of the Krylov bases and spaces associated with the truncated QZ iteration. Electronic Transactions on Numerical Analysis. 5-14.
  • Malyshev, Alexander. 2006. Computation of Smallest Eigenvalues in the Sturm–Liouville Problem with Strongly Varying Coefficients. SIAM Journal on Matrix Analysis and Applications. 961-970.
  • Malyshev, Alexander; Sadkane, Miloud. 2005. Perturbation theory with respect to the first approximation for the symmetric Lanczos algorithm. Computational Mathematics and Mathematical Physics. 374-382.
  • Malyshev, Alexander; Sadkane, Miloud. 2004. Componentwise pseudospectrum of a matrix. Linear Algebra and its Applications. 283-288.
  • Dhillon, I.; Malyshev, Alexander. 2003. Inner Deflation for Symmetric Tridiagonal Matrices. Linear Algebra and its Applications. 139-144.
  • Malyshev, Alexander; Sadkane, Miloud. 2003. Condition numbers for Lanczos bidiagonalization with complete reorthogonalization. Linear Algebra and its Applications. 315-331.
  • Malyshev, Alexander. 2003. A unified theory of conditioning for linear least squares and Tikhonov regularization solutions. SIAM Journal on Matrix Analysis and Applications. 1186-1196.
  • Malyshev, Alexander; Sadkane, Miloud. 2002. Computation of Optimal Backward Perturbation Bounds for Large Sparse Linear Least Squares Problems. BIT Numerical Mathematics. 739-747.
  • Malyshev, Alexander. 2001. Optimal Backward Perturbation Bounds for the LSS Problem. BIT Numerical Mathematics. 430-432.
  • Malyshev, Alexander. 2000. A note on the stability og Gauss-Jordan elimination for diagonally dominant matrices. Computing. 281-284.
  • Malyshev, Alexander; Sadkane, Miloud. 1999. On the stability of large matrices. Journal of Computational and Applied Mathematics. 303-313.
  • Malyshev, Alexander. 1999. A formula for the 2-norm distance from a matrix to the set of matrices with multiple eigenvalues. Numerische Mathematik. 443-454.
  • Malyshev, Alexander; Sadkane, Miloud. 1997. On parabolic and elliptic spectral dichotomy. SIAM Journal on Matrix Analysis and Applications. 265-278.
Rapport
  • Malyshev, Alexander. 2000. On deflation for symmetric tridiagonal matrices. 182. 182. .
  • Malyshev, Alexander. 2000. On deflation for symmetric tridiagonal matrices. 182. 182. .
  • Malyshev, Alexander. 1999. Note on the stability of Gauss-Jordan elimination for diagonally dominant matrices. 168. 168. .
  • Malyshev, Alexander. 1998. Stability radii of symplectic and Hamiltonian matrices. 160. 160. .
  • Malyshev, Alexander. 1998. Optimal backward perturbation bounds for the linear least squares problem of deficient rank. 161. 161. .
  • Malyshev, Alexander. 1997. On Wilkinson's problem. 140. 140. .
Vitenskapelig foredrag
  • Malyshev, Alexander. 2009. A new variant of the block cyclic reduction.
  • Malyshev, Alexander; Lavallee, Perre-Francois; Sadkane, Miloud. 1996. Spectral portrait of matrices by block diagonalization.
  • Malyshev, Alexander. 1996. On spectral trichotomy of symplectic and hamiltonian matrices.
Vitenskapelig Kapittel/Artikkel/Konferanseartikkel
  • Malyshev, Alexander; Tai, Xue-Cheng. 2019. Variational Model for Depth Estimation from Images. 8 sider.
  • Chaudhry, Ehtzaz; Chang, Jian; Ugail, Hassan; Malyshev, Alexander; Carriazo, Alfonso; Iglesias, Andres; Habib, Zulfiqar; Sargano, Allah Bux; Haron, Habibollah; Noreika, Algirdas; You, Lihua; Zhang, Jian Jun. 2019. Modelling and Simulation of Lily flowers using PDE Surfaces. 8 sider.
  • Malyshev, Alexander; Quirynen, Rien; Knyazev, Andrew; Di Cairano, Stefano. 2018. A regularized Newton solver for linear model predictive control. 6 sider.
  • Knyazev, Andrew; Malyshev, Alexander. 2017. Signal reconstruction via operator guiding. 5 sider.
  • Knyazev, Andrew; Fujii, Yuta; Malyshev, Alexander. 2015. Preconditioned Continuation Model Predictive Control. 8 sider.
  • Knyazev, Andrew; Malyshev, Alexander. 2015. Conjugate gradient acceleration of non-linear smoothing filters. 5 sider.
  • Knyazev, Andrew; Malyshev, Alexander. 2015. Accelerated graph-based spectral polynomial filters. 6 sider.
  • Malyshev, Alexander. 2004. Computation of the smallest eigenvalues of the Sturm-Liouville problem -(p(x)y')'+q(x)y=lambda*r(x)y with strongly varying coefficients p(x), q(x), and r(x). 5 sider.
  • Malyshev, Alexander. 1996. Matrix equations. Factorization of matrix polynomials. 38 sider.
Poster
  • Elo, Christoffer Artturi; Malyshev, Alexander; Rahman, Talal. 2009. A Dual Formulation of the TV-Stokes Algorithm for Image Denoising.
  • Malyshev, Alexander; Lundervold, Arvid. 2004. A 3-D tracer kinetic model using the mass balance principle.

Se fullstendig oversikt over publikasjoner i CRIStin.