Structural properties of linear regulators in stationary control systems. - Michail M. Konstantinov; Simeon P. Patarinski; Petko Hr. Petkov; Nikolai D. Hristov (Kybernetika, 1977)

Invariants and canonical forms for linear multivariable systems under the action of orthogonal transformation groups. - Michail M. Konstantinov; Petko Hr. Petkov; Nikolai D. Christov (Kybernetika, 1981)

Remark on algorithm 590.: Fortran subroutines for computing deflating subspaces with specified spectrum. - Petko Hr. Petkov; Nikolai D. Christov; Mihail Mihaylov Konstantinov (ACM Trans. Math. Softw., 1984)

Numerically stable algorithm for pole assignment of linear single-input systems. - Petko Hr. Petkov; Nikolai D. Christov; Michail M. Konstantinov (Kybernetika, 1986)

Perturbation Analysis of Matrix Quadratic Equations. - Michail M. Konstantinov; Petko Hr. Petkov; Nikolai D. Christov (SIAM J. Sci. Comput., 1990)

Perturbation analysis of the discrete Riccati equation. - Michail M. Konstantinov; Petko Hr. Petkov; Nikolai D. Christov (Kybernetika, 1993)

Perturbation bounds for orthogonal canonical forms and numerical controllability analysis. - Petko Hr. Petkov (IEEE Trans. Autom. Control., 1993)

Comments on "Scaling of the discrete-time algebraic Riccati equation to enhance stability of the Schur solution method" [with reply]. - Petko Hr. Petkov; Nikolai D. Christov; Mihail Konstantinov; T. Gunmundson; Crystal Kenney; Alan J. Laub (IEEE Trans. Autom. Control., 1993)

Nonlocal Perturbation Analysis of the Schur System of a Matrix. - M. M. Konstantinov; Petko Hr. Petkov; Nikolai D. Christov (SIAM J. Matrix Anal. Appl., 1994)

Improved Perturbation Bounds for the Matrix Exponential. - Mihail Konstantinov; Petko Hr. Petkov; Parashkeva Gancheva; Vera Angelova; Ivan P. Popchev (WNAA, 1996)

Numerical Solution of High Order Matrix Riccati Equations. - Petko Hr. Petkov; Nikolai D. Christov; Michail M. Konstantinov (WNAA, 1996)

Sensitivity analysis of the feedback synthesis problem. - Michail M. Konstantinov; Petko Hr. Petkov; Nikolai D. Christov (IEEE Trans. Autom. Control., 1997)

Note on Perturbation Theory for Algebraic Riccati Equations. - Mihail Konstantinov; Petko Hr. Petkov (SIAM J. Matrix Anal. Appl., 1999)

Sensitivity analysis of generalized Riccati equations. - Michail M. Konstantinov; Petko Hr. Petkov; Nicolai D. Christov; Alain Barraud; Suzanne Lesecq; Da-Wei Gu (ACC, 2000)

New perturbation bounds for Sylvester equations. - Nikolai D. Christov; Suzanne Lesecq; Michail M. Konstantinov; Petko Hr. Petkov; Alain Barraud (CDC, 2000)

On the non-local sensitivity of Sylvester equations. - Nikolai D. Christov; Suzanne Lesecq; Mihail Mihaylov Konstantinov; Petko Hr. Petkov; Alain Barraud (ACC, 2001)

On the conditioning of the generalised discrete-time Lyapunov and Riccati equations. - Da-Wei Gu; Suzanne Lesecq; Nikolai D. Christov; Michail M. Konstantinov; Petko Hr. Petkov; Alain Barraud (ECC, 2001)

Perturbation Analysis of Hamiltonian Schur and Block-Schur Forms. - Mihail Konstantinov; Volker Mehrmann; Petko Hr. Petkov (SIAM J. Matrix Anal. Appl., 2001)

On the local sensitivity of the mixed H2/H∞ optimisation problem. - Nikolai D. Christov; M. M. Koristantinov; Petko Hr. Petkov (ACC, 2002)

LAPACK-based condition and error estimators for Kalman filter design. - Petko Hr. Petkov; Michail M. Konstantinov; Nikolai D. Christov (CDC, 2003)

New Perturbation Bounds for the Continuous-Time H infinity-Optimization Problem. - Nikolai D. Christov; Michail M. Konstantinov; Petko Hr. Petkov (NAA, 2004)

Sensitivity Analysis of Generalized Lyapunov Equations. - Michail M. Konstantinov; Petko Hr. Petkov; Nikolai D. Christov (NAA, 2004)

Conditioning and Error Estimation in the Numerical Solution of Matrix Riccati Equations. - Petko Hr. Petkov; Michail M. Konstantinov; Nikolai D. Christov (NAA, 2004)

The technique of splitting operators in perturbation control theory. - Mihail Konstantinov; Petko Hr. Petkov; Nikolai D. Christov (Kybernetika, 2005)

Numerical Method for Regional Pole Assignment of Linear Control Systems. - Petko Hr. Petkov; Nikolai D. Christov; Michail M. Konstantinov (Numerical Methods and Applications, 2006)

Numerical Methods for Robust Control. - Petko Hr. Petkov; A. S. Yonchev; Nikolai D. Christov; Michail M. Konstantinov (LSSC, 2007)

Perturbation Bounds for Certain Matrix Expressions and Numerical Solution of Matrix Equations. - Michail M. Konstantinov; Petko Hr. Petkov; Nikolai D. Christov (NAA, 2008)

LAPACK-Based Condition Estimates for the Discrete-Time LQG Design. - Petko Hr. Petkov; Michail M. Konstantinov; Nikolai D. Christov (NAA, 2008)

On the Local Sensitivity of the Discrete-Time Control Problem. - A. S. Yonchev; Petko Hr. Petkov; Nikolai D. Christov; Michail M. Konstantinov (NAA, 2008)

Perturbation Bounds for the Nonlinear Matrix Equation X + AHX-1A + BHX-1B = I. - Ivan P. Popchev; Petko Hr. Petkov; Mihail Konstantinov; Vera Angelova (LSSC, 2011)

μ-Synthesis and Hardware-in-the-loop Simulation of Miniature Helicopter Control System. - L. Mollov; Jordan Kralev; Tsonyo Slavov; Petko Hr. Petkov (J. Intell. Robotic Syst., 2014)

Design And Implementation Of Robust Control Laws. - Petko Hr. Petkov; Jordan Kralev; Tsonyo Slavov (ECMS, 2015)

Design and experimental evaluation of robust controllers for a two-wheeled robot. - Jordan Kralev; Tsonyo Slavov; Petko Hr. Petkov (Int. J. Control, 2016)

Componentwise Perturbation Analysis of the Schur Decomposition of a Matrix. - Petko Hr. Petkov (SIAM J. Matrix Anal. Appl., 2021)

Multi-Output Identification and Robust Control of a Two-Wheeled Robot. - Tsonyo Slavov; Jordan K. Kralev; Petko Hr. Petkov (CoDIT, 2023)

Jordan-Schur Algorithms for Computing the Matrix Exponential. - Petko Hr. Petkov (Int. J. Math. Math. Sci., 2023)

Probabilistic Perturbation Bounds for Invariant, Deflating and Singular Subspaces. - Petko Hr. Petkov (Axioms, 2024)

Probabilistic perturbation bounds of matrix decompositions. - Petko Hr. Petkov (Numer. Linear Algebra Appl., 2025)