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On minimal maps of 2-manifolds

Published online by Cambridge University Press:  22 December 2004

ALEXANDER BLOKH
Affiliation:
Department of Mathematics, University of Alabama at Birmingham, Birmingham, AL 35294-1170, USA (e-mail: [email protected], [email protected])
LEX OVERSTEEGEN
Affiliation:
Department of Mathematics, University of Alabama at Birmingham, Birmingham, AL 35294-1170, USA (e-mail: [email protected], [email protected])
E. D. TYMCHATYN
Affiliation:
Mathematical Department, University of Saskatchewan, Canada (e-mail: [email protected])

Abstract

We prove that a minimal self-mapping of a compact 2-manifold has tree-like fibers (i.e. all points have preimages which are connected, at most one-dimensional and with trivial shape). We also prove that the only 2-manifolds (compact or not) which admit minimal maps are either finite unions of tori, or finite unions of Klein bottles.

Type
Research Article
Copyright
2004 Cambridge University Press

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