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ENTCS
2002
105views more  ENTCS 2002»
13 years 7 months ago
Fixed points in digital topology (via Helly posets)
Abstract. We extend some of our previous results on fixed points of graph multifunctions to posets. The posets of most interest here are the (finite) Khalimsky spaces, in their spe...
Rueiher Tsaur, Michael B. Smyth
SOFSEM
2005
Springer
14 years 1 months ago
Non-planar Orthogonal Drawings with Fixed Topology
Markus Chimani, Gunnar W. Klau, René Weiski...
CPM
1997
Springer
111views Combinatorics» more  CPM 1997»
13 years 12 months ago
Approximation Algorithms for the Fixed-Topology Phylogenetic Number Problem
Mary Cryan, Leslie Ann Goldberg, Cynthia A. Philli...
SMI
2003
IEEE
172views Image Analysis» more  SMI 2003»
14 years 29 days ago
Skeleton Based Shape Matching and Retrieval
In this paper, we describe a novel method for searching and comparing 3D objects. The method encodes the geometric and topological information in the form of a skeletal graph and ...
H. Sundar, Deborah Silver, Nikhil Gagvani, Sven J....
CGF
2006
151views more  CGF 2006»
13 years 7 months ago
Topological Structures in Two-Parameter-Dependent 2D Vector Fields
In this paper we extract and visualize the topological skeleton of two-parameter-dependent vector fields. This kind of vector data depends on two parameter dimensions, for instanc...
Tino Weinkauf, Holger Theisel, Hans-Christian Hege...