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ERSHOV
2006
Springer
15 years 10 months ago
Linear Complementarity and P-Matrices for Stochastic Games
Abstract. We define the first nontrivial polynomially recognizable subclass of P-matrix Generalized Linear Complementarity Problems (GLCPs) with a subexponential pivot rule. No suc...
Ola Svensson, Sergei G. Vorobyov
FOCS
1998
IEEE
15 years 10 months ago
A Tight Characterization of NP with 3 Query PCPs
It is known that there exists a PCP characterization of NP where the verifier makes 3 queries and has a onesided error that is bounded away from 1; and also that 2 queries do not ...
Venkatesan Guruswami, Daniel Lewin, Madhu Sudan, L...
FOCS
1998
IEEE
15 years 10 months ago
Recommendation Systems: A Probabilistic Analysis
A recommendation system tracks past actions of a group of users to make recommendations toindividualmembersofthe group. The growth ofcomputer-mediatedmarketingandcommerce has led ...
Ravi Kumar, Prabhakar Raghavan, Sridhar Rajagopala...
IFIPTCS
2000
15 years 10 months ago
Ambient Groups and Mobility Types
Abstract. We add name groups and group creation to the typed ambient calculus. Group creation is surprisingly interesting: it has the e ect of statically preventing certain communi...
Luca Cardelli, Giorgio Ghelli, Andrew D. Gordon
MFCS
2000
Springer
15 years 10 months ago
XML Grammars
Abstract. XML documents are described by a document type definition (DTD). An XML-grammar is a formal grammar that captures the syntactic features of a DTD. We investigate properti...
Jean Berstel, Luc Boasson