A note about essentiality and inessentiality of compact fields

DOI10.1016/0362-546X(84)90044-0zbMath0535.47032OpenAlexW2093183096MaRDI QIDQ3319299

Qingyu Yu, Wen-Yuan Chen

Publication date: 1984

Published in: Nonlinear Analysis: Theory, Methods & Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0362-546x(84)90044-0

zbMATH Keywords

essentialityLeray-Schauder boundary conditioncompact vector fieldinessentialitysolution and eigenvalue problem of operator equations

Mathematics Subject Classification ID

Fixed-point theorems (47H10)

Cites Work

• Existence of nonzero fixed points for noncompact mappings in wedges and cones
• Positive eigenvalues for nonlinear multivalued noncompact operators with applications to differential operators
• A topological degree of locally A-proper maps
• A degree theory for semicondensing vectorfields in infinite dimensional Banach spaces and applications
• Nonlinear equations of evolution and nonlinear accretive operators in Banach spaces
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