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» On Pairing Inversion Problems
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130
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ALGORITHMICA
2010
137views more  ALGORITHMICA 2010»
15 years 5 months ago
Understanding the Generalized Median Stable Matchings
Let I be a stable matching instance with N stable matchings. For each man m, order his (not necessarily distinct) N partners from his most preferred to his least preferred. Denote...
Christine T. Cheng
CORR
2010
Springer
115views Education» more  CORR 2010»
15 years 5 months ago
Optimal topological simplification of discrete functions on surfaces
We solve the problem of minimizing the number of critical points among all functions on a surface within a prescribed distance from a given input function. The result is achieved...
Ulrich Bauer, Carsten Lange, Max Wardetzky
144
Voted
CORR
2010
Springer
73views Education» more  CORR 2010»
15 years 5 months ago
On Touching Triangle Graphs
Abstract. In this paper, we consider the problem of representing graphs by triangles whose sides touch. We present linear time algorithms for creating touching triangles representa...
Emden R. Gansner, Yifan Hu, Stephen G. Kobourov
100
Voted
CORR
2010
Springer
48views Education» more  CORR 2010»
15 years 5 months ago
Stochastic Flips on Two-letter Words
This paper introduces a simple Markov process inspired by the problem of quasicrystal growth. It acts over two-letter words by randomly performing flips, a local transformation whi...
Olivier Bodini, Thomas Fernique, Damien Regnault
125
Voted
DM
2010
89views more  DM 2010»
15 years 5 months ago
Polynomial-time dualization of r-exact hypergraphs with applications in geometry
Let H 2V be a hypergraph on vertex set V . For a positive integer r, we call H r-exact, if any minimal transversal of H intersects any hyperedge of H in at most r vertices. This ...
Khaled M. Elbassioni, Imran Rauf