Integration of multidimensional nonlinear equations by the method of the inverse problem LP Nizhnik Doklady Akademii Nauk 254 (2), 332-335, 1980 | 159 | 1980 |
Inverse scattering problems for hyperbolic equations LP Nizhnik Kiev, Nauk. Dumka Publ, 1991 | 115 | 1991 |
Inverse spectral problems for non-local Sturm–Liouville operators S Albeverio, RO Hryniv, LP Nizhnik Inverse problems 23 (2), 523, 2007 | 83 | 2007 |
Inverse nonlocal Sturm–Liouville problem L Nizhnik Inverse problems 26 (12), 125006, 2010 | 62 | 2010 |
Approximation of general zero-range potentials S Albeverio, L Nizhnik Ukrainian Mathematical Journal 52 (5), 664-672, 2000 | 61 | 2000 |
On the number of negative eigenvalues of a one-dimensional Schrödinger operator with point interactions S Albeverio, L Nizhnik Letters in Mathematical Physics 65, 27-35, 2003 | 46 | 2003 |
Schrödinger operators with nonlocal point interactions S Albeverio, L Nizhnik Journal of mathematical analysis and applications 332 (2), 884-895, 2007 | 44 | 2007 |
Inverse spectral nonlocal problem for the first order ordinary differential equation L Nizhnik Tamkang Journal of Mathematics 42 (3), 385-394, 2011 | 35 | 2011 |
The inverse scattering problems for the hyperbolic equations and their application to non-linear integrable systems LP Nizhnik Reports on mathematical physics 26 (2), 261-283, 1988 | 35 | 1988 |
Integrability of nonlinear multidimensional equations with inverse scattering transform approach LP Nizhnik Doklady of AN USSR 254 (2), 332-335, 1980 | 34 | 1980 |
The inverse nonstationary scattering problem LP Nizhnik Nauk. Dumka, Kiev, 1973 | 34 | 1973 |
Inverse eigenvalue problems for nonlocal Sturm-Liouville operators LP Nizhnik Інститут математики НАН України, 2009 | 31 | 2009 |
A Schrödinger operator with-interaction LP Nizhnik Functional Analysis and Its Applications 37 (1), 72-74, 2003 | 31 | 2003 |
Stable stationary solutions in reaction–diffusion systems consisting of a 1-d array of bistable cells LP Nizhnik, IL Nizhnik, M Hasler International Journal of Bifurcation and Chaos 12 (02), 261-279, 2002 | 31 | 2002 |
Inverse eigenvalue problems for nonlocal Sturm-Liouville operators on a star graph LP Nizhnik Methods of Functional Analysis and Topology 18 (01), 68-78, 2012 | 30 | 2012 |
On rank one singular perturbations of selfadjoint operators LP Nizhnik Methods of Functional Analysis and Topology 7 (03), 54-66, 2001 | 30 | 2001 |
Integration of the nonlinear two-dimensional spatial Schrodinger equation by the inverse-problem method LP Nizhnik, MD Pochinaiko Functional Analysis and Its Applications 16 (1), 66-69, 1982 | 30 | 1982 |
One-dimensional Schr\"odinger operators with -interactions on a set of Lebesgue measure zero JF Brasche, L Nizhnik arXiv preprint arXiv:1112.2545, 2011 | 28 | 2011 |
A one-dimensional Schrödinger operator with point interactions on Sobolev spaces LP Nizhnik Functional Analysis and Its Applications 40, 143-147, 2006 | 28 | 2006 |
A Schrödinger operator with a δ′‐interaction on a Cantor set and Krein–Feller operators S Albeverio, L Nizhnik Mathematische Nachrichten 279 (5‐6), 467-476, 2006 | 27 | 2006 |