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» A Generalization of the Massey-Ding Algorithm
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COCOA
2008
Springer
15 years 6 months ago
Elementary Approximation Algorithms for Prize Collecting Steiner Tree Problems
This paper deals with approximation algorithms for the prize collecting generalized Steiner forest problem, defined as follows. The input is an undirected graph G = (V, E), a colle...
Shai Gutner
SODA
2008
ACM
100views Algorithms» more  SODA 2008»
15 years 5 months ago
Yet another algorithm for dense max cut: go greedy
We study dense instances of MaxCut and its generalizations. Following a long list of existing, diverse and often sophisticated approximation schemes, we propose taking the na
Claire Mathieu, Warren Schudy
TOMACS
2008
91views more  TOMACS 2008»
15 years 4 months ago
On constructing optimistic simulation algorithms for the discrete event system specification
abstractly; it is intended to provide a basis for implementing efficient and scalable parallel algorithms that correctly simulate DEVS models. Categories and Subject Descriptors: I...
James J. Nutaro
CORR
2004
Springer
140views Education» more  CORR 2004»
15 years 4 months ago
Better algorithms for unfair metrical task systems and applications
Unfair metrical task systems are a generalization of online metrical task systems. In this paper we introduce new techniques to combine algorithms for unfair metrical task systems...
Amos Fiat, Manor Mendel
FOCS
2009
IEEE
15 years 11 months ago
Approximation Algorithms for Multicommodity-Type Problems with Guarantees Independent of the Graph Size
— Linial, London and Rabinovich [16] and Aumann and Rabani [3] proved that the min-cut max-flow ratio for general maximum concurrent flow problems (when there are k commodities...
Ankur Moitra