Generalized linking-type theorem with applications to strongly indefinite problems with sign-changing nonlinearities
DOI10.1007/s00526-022-02297-2zbMath1496.35353arXiv2109.12310OpenAlexW3202992756WikidataQ113904933 ScholiaQ113904933MaRDI QIDQ2159514
Bartosz Bieganowski, Federico Bernini
Publication date: 1 August 2022
Published in: Calculus of Variations and Partial Differential Equations (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/2109.12310
PDEs in connection with optics and electromagnetic theory (35Q60) Variational methods applied to PDEs (35A15) Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces (58E05) NLS equations (nonlinear Schrödinger equations) (35Q55) Lasers, masers, optical bistability, nonlinear optics (78A60) Existence problems for PDEs: global existence, local existence, non-existence (35A01) Electromagnetic theory (general) (78A25) Variational methods for second-order elliptic equations (35J20)
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