A nonlinear elliptic operator and its singular values

DOI10.2140/pjm.1989.136.57zbMath0636.35028OpenAlexW2089359820MaRDI QIDQ1098005

P. T. Church, James G. Timourian

Publication date: 1989

Published in: Pacific Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2140/pjm.1989.136.57

zbMATH Keywords

diffeomorphismSobolev spacesecond eigenvaluefold point

Mathematics Subject Classification ID

Smoothness and regularity of solutions to PDEs (35B65) Nonlinear boundary value problems for linear elliptic equations (35J65) Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Theory of singularities and catastrophe theory (58K99) Differentiable maps on manifolds (58C25)

Related Items (4)

Critical Values of Fredholm Maps ⋮ The Structure of a Nonlinear Elliptic Operator ⋮ Uniqueness for small solutions to a superlinear boundary value problem at resonance ⋮ Global cusp maps in differential and integral equations

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