On the surjectivity of the almost linear operator and its applications

DOI10.1007/BF02582987zbMath0760.35022OpenAlexW2031705014MaRDI QIDQ3974647

Shaoping Wu

Publication date: 25 June 1992

Published in: Acta Mathematica Sinica (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf02582987

zbMATH Keywords

existence of weak solutionsemilinear elliptic systems

Mathematics Subject Classification ID

Nonlinear boundary value problems for linear elliptic equations (35J65) Linear symmetric and selfadjoint operators (unbounded) (47B25) Linear operators on special spaces (weighted shifts, operators on sequence spaces, etc.) (47B37)

Cites Work

• Critical point theorems for indefinite functionals
• Periodic solutions of a nonlinear wave equation without assumption of monotonicity
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