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SAT
2007
Springer
129views Hardware» more  SAT 2007»
14 years 6 months ago
Minimum 2CNF Resolution Refutations in Polynomial Time
We present an algorithm for finding a smallest Resolution refutation of any 2CNF in polynomial time.
Joshua Buresh-Oppenheim, David G. Mitchell
ESA
2007
Springer
97views Algorithms» more  ESA 2007»
14 years 6 months ago
To Fill or Not to Fill: The Gas Station Problem
In this paper we study several routing problems that generalize shortest paths and the Traveling Salesman Problem. We consider a more general model that incorporates the actual co...
Samir Khuller, Azarakhsh Malekian, Julián M...
ACISP
2007
Springer
14 years 6 months ago
TCHo: A Hardware-Oriented Trapdoor Cipher
This paper improves the Finiasz-Vaudenay construction of TCHo, a hardware-oriented public-key cryptosystem, whose security relies on the hardness of finding a low-weight multiple ...
Jean-Philippe Aumasson, Matthieu Finiasz, Willi Me...
AAIM
2007
Springer
97views Algorithms» more  AAIM 2007»
14 years 6 months ago
Probe Matrix Problems: Totally Balanced Matrices
Let M be a class of 0/1-matrices. A 0/1/ -matrix A where the s induce a submatrix is a probe matrix of M if the s in A can be replaced by 0s and 1s such that A becomes a member of ...
David B. Chandler, Jiong Guo, Ton Kloks, Rolf Nied...
ICCV
2007
IEEE
14 years 6 months ago
Structure from Motion with Missing Data is NP-Hard
This paper shows that structure from motion is NP-hard for most sensible cost functions when missing data is allowed. The result provides a fundamental limitation of what is possi...
David Nistér, Fredrik Kahl, Henrik Stew&eac...
LICS
2008
IEEE
14 years 6 months ago
The Quest for a Logic Capturing PTIME
The question of whether there is a logic that captures polynomial time is the central open problem in descriptive complexity theory. In my talk, I will review the question and the...
Martin Grohe
ICDM
2008
IEEE
160views Data Mining» more  ICDM 2008»
14 years 6 months ago
Direct Zero-Norm Optimization for Feature Selection
Zero-norm, defined as the number of non-zero elements in a vector, is an ideal quantity for feature selection. However, minimization of zero-norm is generally regarded as a combi...
Kaizhu Huang, Irwin King, Michael R. Lyu
HICSS
2008
IEEE
199views Biometrics» more  HICSS 2008»
14 years 6 months ago
Clustering and the Biclique Partition Problem
A technique for clustering data by common attribute values involves grouping rows and columns of a binary matrix to make the minimum number of submatrices all 1’s. As binary mat...
Doina Bein, Linda Morales, Wolfgang W. Bein, C. O....
UC
2009
Springer
14 years 6 months ago
Membrane Dissolution and Division in P
Membrane systems with dividing and dissolving membranes are known to solve PSPACE problems in polynomial time. However, we give a P upperbound on an important restriction of such s...
Damien Woods, Niall Murphy, Mario J. Pérez-...
FSTTCS
2009
Springer
14 years 6 months ago
Kernels for Feedback Arc Set In Tournaments
A tournament T = (V, A) is a directed graph in which there is exactly one arc between every pair of distinct vertices. Given a digraph on n vertices and an integer parameter k, th...
Stéphane Bessy, Fedor V. Fomin, Serge Gaspe...