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COCOA
2009
Springer
15 years 10 months ago
Positive Influence Dominating Set in Online Social Networks
Online social network has developed significantly in recent years as a medium of communicating, sharing and disseminating information and spreading influence. Most of current resea...
Feng Wang 0002, Erika Camacho, Kuai Xu
STOC
1995
ACM
145views Algorithms» more  STOC 1995»
15 years 10 months ago
Polynomial time approximation schemes for dense instances of NP-hard problems
We present a unified framework for designing polynomial time approximation schemes (PTASs) for “dense” instances of many NP-hard optimization problems, including maximum cut,...
Sanjeev Arora, David R. Karger, Marek Karpinski
NIPS
2007
15 years 7 months ago
Local Algorithms for Approximate Inference in Minor-Excluded Graphs
We present a new local approximation algorithm for computing MAP and logpartition function for arbitrary exponential family distribution represented by a finite-valued pair-wise ...
Kyomin Jung, Devavrat Shah
ISSAC
2004
Springer
106views Mathematics» more  ISSAC 2004»
15 years 11 months ago
Factoring polynomials via polytopes
We introduce a new approach to multivariate polynomial factorisation which incorporates ideas from polyhedral geometry, and generalises Hensel lifting. Our main contribution is to...
Fatima Abu Salem, Shuhong Gao, Alan G. B. Lauder
DAGSTUHL
2006
15 years 7 months ago
The optimal sequence compression
This paper presents the optimal compression for sequences with undefined values. Let we have (N -m) undefined and m defined positions in the boolean sequence V of length N. The se...
Alexander E. Andreev