Yu. E. Karpeshina

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Active since

1983

Affiliations

Pushkin Leningrad State University(Current)

Yu. E. Karpeshina is an author at Pushkin Leningrad State University specializing in natural sciences, eigenfunction expansions, and perturbation theory.

Publications per year

1983–1996

Publications

Perturbation series for the Schrödinger operator with a periodic potential near planes of diffraction

Yu. E. Karpeshina · Communications in Analysis and Geometry · 1996 · 28 citations · Full text

Natural Sciences, Physics, Condensed Matter Physics +16

Zero radius interaction for the biharmonic and polyharmonic equations

Yu. E. Karpeshina, B. S. Pavlov · Mathematical Notes · 1986 · 21 citations

Natural Sciences, Chemistry, Differential Equations +4

ANALYTIC PERTURBATION THEORY FOR A PERIODIC POTENTIAL

Yu. E. Karpeshina · Mathematics of the USSR-Izvestiya · 1990 · 15 citations

Natural Sciences, Mathematics, Dynamical Systems +13

Spectrum and eigenfunctions of Schrödinger operator with zero-range potential of homogeneous lattice type in three-dimensional space

Yu. E. Karpeshina · Theoretical and Mathematical Physics · 1983 · 11 citations

Natural Sciences, Physics, Condensed Matter Physics +9

PERTURBATION THEORY FORMULAS FOR THE SCHRÖDINGER EQUATION WITH A NONSMOOTH PERIODIC POTENTIAL

Yu. E. Karpeshina · Mathematics of the USSR-Sbornik · 1992 · 11 citations

Natural Sciences, Physics, Dynamical Systems +14

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