On the spectrum of the product of closed operators V Hardt, A Konstantinov, R Mennicken Mathematische Nachrichten 215 (1), 91-102, 2000 | 43 | 2000 |
On the point spectrum of ℋ︁–2‐singular perturbations S Albeverio, M Dudkin, A Konstantinov, V Koshmanenko Mathematische Nachrichten 280 (1‐2), 20-27, 2007 | 26 | 2007 |
On the Friedrichs extension of some block operator matrices A Konstantinov, R Mennicken Integral Equations and Operator Theory 42, 472-481, 2002 | 17 | 2002 |
Spectral theory of some matrix differential operators of mixed order AY Konstantinov Ukrainian Mathematical Journal 50 (8), 1064-1072, 1998 | 17 | 1998 |
On inverse spectral theory for singularly perturbed operators: point spectrum S Albeverio, A Konstantinov, V Koshmanenko Inverse problems 21 (6), 1871 - 1878, 2005 | 11 | 2005 |
Decompositions of singular continuous spectra of-class rank one perturbations S Albeverio, A Konstantinov, V Koshmanenko Integral Equations and Operator Theory 52 (4), 455-464, 2005 | 11 | 2005 |
Expansion in eigenvector of multiparameter spectral problems YM Berezansky, AY Konstantinov Ukr. Mat. Zh 44, 901-913, 1992 | 11 | 1992 |
The Aronszajn–Donoghue Theory for Rank One Perturbations of the S Albeverio, A Konstantinov, V Koshmanenko Integral Equations and Operator Theory 50, 1-8, 2004 | 10 | 2004 |
Gauss formula and symmetric extensions of the Laplacian on configuration spaces DL Finkelshtein, YG Kondratiev, M Röckner, AY Konstantinov Infinite Dimensional Analysis, Quantum Probability and Related Topics 4 (04 …, 2001 | 10 | 2001 |
Uniqueness of diffusion generators for two types of particle systems with singular interactions YG Kondratiev, AY Konstantinov, M Röckner Journal of Functional Analysis 212 (2), 357-372, 2004 | 7 | 2004 |
Spectral and scattering theory of some matrix operators related to the Schrodinger equations with potentials depending rationally on spectral parameter A Konstantinov Methods Funct. Anal. Topology 2 (3 - 4), 69-77, 1996 | 6 | 1996 |
On eigenvector expansion of multiparameter spectral problems YM Berezanskii, AY Konstantinov Functional Analysis and Its Applications 26 (1), 65-67, 1992 | 6 | 1992 |
On the essential spectrum of a class of matrix differential operators AY Konstantinov Functional Analysis and Its Applications 36 (3), 233-235, 2002 | 4 | 2002 |
Remarks on the inverse spectral theory for singularly perturbed operators S Albeverio, A Konstantinov, V Koshmanenko Modern Analysis and Applications: The Mark Krein Centenary Conference Volume …, 2009 | 3 | 2009 |
Eigenfunction expansion of right definite multiparameter problems AY Konstantinov Mathematical Results in Quantum Mechanics: International Conference in …, 1994 | 3 | 1994 |
Principle of invariance of wave operators AY Konstantinov Dok. Akad. Nauk SSSR 281 (5), 1041-1044, 1985 | 3 | 1985 |
Invariance principle for wave operators AY Konstantinov Ukrainian Mathematical Journal 36, 526-530, 1984 | 3 | 1984 |
Symmetric differential operators of the second order in Poisson spaces DL Finkelshtein, YG Kondratiev, AY Konstantinov, M Röckner Meth. Funct. Anal. Top 7, 489-509, 2000 | 2 | 2000 |
Scattering Problem for Local Perturbations\newline of the Free Quantum Gas YG Kondratiev, AY Konstantinov, M Röckner, GV Shchepan'uk Communications in mathematical physics 203, 421-444, 1999 | 2 | 1999 |
Nonuniformly definite multiparameter spectral problems AY Konstantinov Ukrainian Mathematical Journal 47 (5), 760-772, 1995 | 2 | 1995 |