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Journal of Combinatorial Theory, Series B
Volume 68, Issue 2, November 1996, Pages 295-309
 
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doi:10.1006/jctb.1996.0070    How to Cite or Link Using DOI (Opens New Window)
Copyright © 1996 Academic Press, Inc. All rights reserved.

Regular Article

Diagonal Flips of Triangulations on Closed Surfaces Preserving Specified Properties

Richard Brunet a, *, Atsuhiro Nakamotob and Seiya Negamib

a Department of Mathematics and Statistics, Carleton University, Ottawa, Ontario, Canada, K1S 5B6 b Department of Mathematics, Faculty of Education, Yokohama National University, 156 Tokiwadai, Hodogaya-Ku, 240, Yokohama, Japan

Received 12 September 1995. 
Available online 24 April 2002.

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Abstract

Consider a class Image of triangulations on a closed surfaceF2, closed under vertex splitting. We shall show that any two triangulations with the same and sufficiently large number of vertices which belong to Image can be transformed into each other, up to homeomorphism, by a finite sequence of diagonal flips through Image . Moreover, if Image is closed under homeomorphism, then the condition “up to homeomorphism” can be replaced with “up to isotopy.”

* Research supported by a grant from the Japan Society for the Promotion of Science.


 
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