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ICCSA
2010
Springer
13 years 11 months ago
Efficient Algorithms for the 2-Center Problems
This paper achieves O(n3 log log n/ log n) time for the 2center problems on a directed graph with non-negative edge costs under the conventional RAM model where only arithmetic ope...
Tadao Takaoka
NIPS
2003
13 years 11 months ago
Robustness in Markov Decision Problems with Uncertain Transition Matrices
Optimal solutions to Markov Decision Problems (MDPs) are very sensitive with respect to the state transition probabilities. In many practical problems, the estimation of those pro...
Arnab Nilim, Laurent El Ghaoui
CBRMD
2010
40views more  CBRMD 2010»
13 years 8 months ago
Adaptation Problems focusing on Endocrine Therapy Support
So far, Case-Based Reasoning has not become as successful in medicine as in some other application domains. One, probably the main reason is the adaptation problem. In Case-Based R...
Rainer Schmidt, Olga Vorobieva
ISSAC
2004
Springer
135views Mathematics» more  ISSAC 2004»
14 years 3 months ago
Absolute polynomial factorization in two variables and the knapsack problem
A recent algorithmic procedure for computing the absolute factorization of a polynomial P(X, Y ), after a linear change of coordinates, is via a factorization modulo X3 . This was...
Guillaume Chèze
CORR
2010
Springer
163views Education» more  CORR 2010»
13 years 6 months ago
NP-hardness of Deciding Convexity of Quartic Polynomials and Related Problems
We show that unless P=NP, there exists no polynomial time (or even pseudo-polynomial time) algorithm that can decide whether a multivariate polynomial of degree four (or higher ev...
Amir Ali Ahmadi, Alexander Olshevsky, Pablo A. Par...