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193
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ENDM
2007
15 years 6 months ago
2007
In this paper we investigate how certain results related to the HananiTutte theorem can be extended from the plane to surfaces. We give a simple topological proof that the weak Ha...
161
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CORR
2002
Springer
15 years 6 months ago
2002
Springer
We consider the problem of cutting a subset of the edges of a polyhedral manifold surface, possibly with boundary, to obtain a single topological disk, minimizing either the total...
194
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IJCM
2002
15 years 6 months ago
2002
A minimum spanning tree (MST) with a small diameter is required in numerous practical situations. It is needed, for example, in distributed mutual exclusion algorithms in order to...
161
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COMBINATORICS
1999
15 years 6 months ago
1999
This is a continuation of our paper "A Theory of Pfaffian Orientations I: Perfect Matchings and Permanents". We present a new combinatorial way to compute the generating...
197
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COMGEO
1999
ACM
15 years 6 months ago
1999
ACM
Let S be a set of n points in IRd and let t > 1 be a real number. A t-spanner for S is a directed graph having the points of S as its vertices, such that for any pair p and q o...