Authors: Siburg, Karl F.
Title: Geometric proofs of the two-dimensional Borsuk-Ulam theorem
Language (ISO): en
Abstract: We give two proofs of the two-dimensional Borsuk-Ulam theorem. One is completely elementary and does not use homology theory or the mapping degree, while the second one makes use of the recent theory of symplectic quasi-states.
Issue Date: 2008-05-27T12:00:41Z
Appears in Collections:Preprints der Fakultät für Mathematik

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