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JACM
2008
71views more  JACM 2008»
13 years 11 months ago
A fixed-parameter algorithm for the directed feedback vertex set problem
Jianer Chen, Yang Liu 0002, Songjian Lu, Barry O'S...
JACM
2008
64views more  JACM 2008»
13 years 11 months ago
Market equilibrium via a primal--dual algorithm for a convex program
Nikhil R. Devanur, Christos H. Papadimitriou, Amin...
JACM
2008
50views more  JACM 2008»
13 years 11 months ago
Homomorphism preservation theorems
Benjamin Rossman
JACM
2008
43views more  JACM 2008»
13 years 11 months ago
Undecidability of bisimilarity by defender's forcing
Petr Jancar, Jirí Srba
JACM
2008
90views more  JACM 2008»
13 years 11 months ago
Bit complexity of breaking and achieving symmetry in chains and rings
We consider a failure-free, asynchronous message passing network with n links, where the processors are arranged on a ring or a chain. The processors are identically programmed bu...
Yefim Dinitz, Shlomo Moran, Sergio Rajsbaum
JACM
2008
91views more  JACM 2008»
13 years 11 months ago
On the minimization of XPath queries
XML queries are usually expressed by means of XPath expressions identifying portions of the selected documents. An XPath expression defines a way of navigating an XML tree and ret...
Sergio Flesca, Filippo Furfaro, Elio Masciari