Nizhnik Leonid

1957- Master Sc., Department of Mechanics and Mathematics, Kyiv State University, university diploma ¹105545.
1957- 1960 Post-graduate study, Institute of Mathematics, Kyiv, Ukraine

1962- (first degree), PhD, thesis “Spectral Properties of Some Differential Operators and Scattering Problems”, Institute of Mathematics NAS of Ukraine, Diploma MFM ¹001331

1977- (second degree), Doctor Sc, thesis “Nonstationary Inverse Scattering Problem”, Institute of Mathematics NAS of Ukraine, Diploma FM ¹000419

Spectral and scattering theory, inverse problems, soliton theory, differential equations, nonlinear mathematical physics, electrical engineering.

Professor,
Chief Researcher, Institute of Mathematics NAS of Ukraine

Nizhnik, L. Self-adjoint operators with nonlocal interaction, Proceedings of the 7th International Conference on Control and Optimization with Industrial Applications, COIA 2020, V I, P. 20-22

Nizhnik, L. Spectral analysis of differential operators with nonlocal potentials // Book of Abstracts, IWOTA, 2022.

Students: completed 17 PhDs and 3 second doctoral degrees.
PROJECTS: Swiss National Science Foundation Grant 7UKPJ 048229 (1996-1999), SNSF Grant UPJ062310 (2000-2003), DFG 436 UKR 113/43/1 (2001), DFG 436 UKR 113/61 (project responsible) (2002-2003), Grant of Swedish Research Council (2001-2003), DFG 436 UKR 113/72 (2003-2004), DFG 436 UKR 113/79 (project responsible)(2004-2006), DFG BR 1686/2-1 (2010-2011), Simons Foundation 1030291, L.P. N., Simons Foundation 1290607, L.P.N.

AWARDS:
1987 - State Prize of Ukraine in Science and Technology,
1998 - State Prize of Ukraine in Science and Technology,
2006 - Ostrogradsky Prize NAS of Ukraine,
2009 - Bogolyubov medal,
2019 - State scholarship 2019-2021 for outstanding scientists,
2024 - award of the NAS of Ukraine for professional achievements.

Member of the editorial board: Methods of Functional Analysis and Topology.