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SWAT
1998
Springer
110views Algorithms» more  SWAT 1998»
14 years 10 months ago
On the Number of Regular Vertices of the Union of Jordan Regions
Let C be a collection of n Jordan regions in the plane in general position, such that each pair of their boundaries intersect in at most s points, where s is a constant. Let U den...
Boris Aronov, Alon Efrat, Dan Halperin, Micha Shar...
LATIN
1998
Springer
14 years 10 months ago
Fast Two-Dimensional Approximate Pattern Matching
We address the problem of approximate string matching in two dimensions, that is, to nd a pattern of size m m in a text of size n n with at most k errors (substitutions, insertions...
Ricardo A. Baeza-Yates, Gonzalo Navarro
ISCOPE
1998
Springer
14 years 10 months ago
An Object-Oriented Collection of Minimum Degree Algorithms
The multiple minimum degree (MMD) algorithm and its variants have enjoyed 20+ years of research and progress in generating ll-reducing orderings for sparse, symmetric positive de n...
Gary Kumfert, Alex Pothen
ISAAC
1998
Springer
153views Algorithms» more  ISAAC 1998»
14 years 10 months ago
Approximation Algorithms for Some Optimum Communication Spanning Tree Problems
Let G = (V; E; w) be an undirected graph with nonnegative edge length function w and nonnegative vertex weight function r. The optimal product-requirement communication spanning t...
Bang Ye Wu, Kun-Mao Chao, Chuan Yi Tang
ISAAC
1998
Springer
94views Algorithms» more  ISAAC 1998»
14 years 10 months ago
Two-Layer Planarization in Graph Drawing
Abstract. We study the two-layer planarization problems that have applications in Automatic Graph Drawing. We are searching for a two-layer planar subgraph of maximumweight in a gi...
Petra Mutzel, René Weiskircher
ISAAC
1998
Springer
71views Algorithms» more  ISAAC 1998»
14 years 10 months ago
K-Edge and 3-Vertex Connectivity Augmentation in an Arbitrary Multigraph
Toshimasa Ishii, Hiroshi Nagamochi, Toshihide Ibar...
ISAAC
1998
Springer
99views Algorithms» more  ISAAC 1998»
14 years 10 months ago
On the Multiple Gene Duplication Problem
Abstract. A fundamental problem in computational biology is the determination of the correct species tree for a set of taxa given a set of possibly contradictory gene trees. In rec...
Michael R. Fellows, Michael T. Hallett, Ulrike Ste...
ISAAC
1998
Springer
66views Algorithms» more  ISAAC 1998»
14 years 10 months ago
A Parallel Algorithm for Sampling Matchings from an Almost Uniform Distribution
In this paper we present a randomized parallel algorithm to sample matchings from an almost uniform distribution on the set of matchings of all sizes in a graph. First we prove th...
Josep Díaz, Jordi Petit, Panagiotis Psychar...