On the spectrum of the product of closed operators V Hardt, A Konstantinov, R Mennicken
Mathematische Nachrichten 215 (1), 91-102, 2000
44 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
27 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 
Volodymyr KoshmanenkoInstitute of Mathematics NAS of UkraineBestätigte E-Mail-Adresse bei imath.kiev.ua
