Topological Degree and Multiplication Theorem for a Class of Nonlinear Mappings

DOI10.1112/blms/23.6.596zbMath0745.47048OpenAlexW1975289017MaRDI QIDQ3988572

Juha Berkovits

Publication date: 28 June 1992

Published in: Bulletin of the London Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1112/blms/23.6.596

zbMATH Keywords

nonlinear wave equationorthoprojectordegree of compositionJordan's separation theoremLeray's reduction theoremmapping of monotonical type

Mathematics Subject Classification ID

Particular nonlinear operators (superposition, Hammerstein, Nemytski?, Uryson, etc.) (47H30) Degree theory for nonlinear operators (47H11)

Related Items (5)

Extension of the Leray-Schauder degree for abstract Hammerstein type mappings ⋮ Ambrosetti - Prodi type multiplicity result for a wave equation with sublinear nonlinearity ⋮ On nonresonance for systems of semilinear wave equations ⋮ On the Leray-Schauder formula and bifurcation ⋮ A reduction theorem for the topological degree for mappings of class (𝑆+)

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