// Workers AI · dad joke modeWhy was nonlinear functional analysis anxious? It had a lot of twisted functions.
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Nonlinear functional analysis is a branch of mathematical analysis that deals with nonlinear mappings.
Topics
[edit]Its subject matter includes:[1]: 1–2
- generalizations of calculus to Banach spaces
- implicit function theorems
- fixed-point theorems (Brouwer fixed point theorem, Fixed point theorems in infinite-dimensional spaces, topological degree theory, Jordan separation theorem, Lefschetz fixed-point theorem)
- Morse theory and Lusternik–Schnirelmann category theory
- methods of complex function theory
See also
[edit]Notes
[edit]- ↑ Schwartz, Jacob T. (1969). Non-Linear Functional Analysis. New York: Gordon & Breach Science Pub. ISBN 978-0-677-01505-7.
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