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SWAT
1998
Springer
110views Algorithms» more  SWAT 1998»
14 years 2 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 2 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 2 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 2 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 2 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 2 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 2 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 2 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...