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JACM
2008
71views more  JACM 2008»
13 years 4 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 4 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 4 months ago
Homomorphism preservation theorems
Benjamin Rossman
JACM
2008
43views more  JACM 2008»
13 years 4 months ago
Undecidability of bisimilarity by defender's forcing
Petr Jancar, Jirí Srba
JACM
2008
90views more  JACM 2008»
13 years 4 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 4 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