bn:15078808n
Noun Concept
Categories: Theorems in functional analysis, Mathematical analysis stubs
EN
Birkhoff–Kellogg invariant-direction theorem  Birkhoff-Kellogg invariant-direction theorem
EN
In functional analysis, the Birkhoff–Kellogg invariant-direction theorem, named after G. D. Birkhoff and O. D. Kellogg, is a generalization of the Brouwer fixed-point theorem. Wikipedia
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EN
In functional analysis, the Birkhoff–Kellogg invariant-direction theorem, named after G. D. Birkhoff and O. D. Kellogg, is a generalization of the Brouwer fixed-point theorem. Wikipedia