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STOC
2003
ACM
171views Algorithms» more  STOC 2003»
14 years 10 months ago
Primal-dual meets local search: approximating MST's with nonuniform degree bounds
We present a new bicriteria approximation algorithm for the degree-bounded minimum-cost spanning tree problem: Given an undirected graph with nonnegative edge weights and degree b...
Jochen Könemann, R. Ravi
SPAA
2009
ACM
14 years 11 months ago
On randomized representations of graphs using short labels
Informative labeling schemes consist in labeling the nodes of graphs so that queries regarding any two nodes (e.g., are the two nodes adjacent?) can be answered by inspecting mere...
Pierre Fraigniaud, Amos Korman
COCOA
2010
Springer
13 years 8 months ago
Feasibility-Based Bounds Tightening via Fixed Points
Abstract. The search tree size of the spatial Branch-and-Bound algorithm for Mixed-Integer Nonlinear Programming depends on many factors, one of which is the width of the variable ...
Pietro Belotti, Sonia Cafieri, Jon Lee, Leo Libert...
STOC
2000
ACM
117views Algorithms» more  STOC 2000»
14 years 2 months ago
Faster suffix tree construction with missing suffix links
Abstract. We consider suffix tree construction for situations with missing suffix links. Two examples of such situations are suffix trees for parameterized strings and suffix trees...
Richard Cole, Ramesh Hariharan
IJAIT
2002
82views more  IJAIT 2002»
13 years 10 months ago
Interleaved Backtracking in Distributed Constraint Networks
The adaptation of software technology to distributed environments is an important challenge today. In this work we combine parallel and distributed search. By this way we add the ...
Youssef Hamadi