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JC
2008
92views more  JC 2008»
14 years 10 months ago
Characterizing Valiant's algebraic complexity classes
Valiant introduced 20 years ago an algebraic complexity theory to study the complexity of polynomial families. The basic computation model used is the arithmetic circuit, which ma...
Guillaume Malod, Natacha Portier
64
Voted
ICRA
2010
IEEE
130views Robotics» more  ICRA 2010»
14 years 8 months ago
On the complexity of optimal reconfiguration planning for modular reconfigurable robots
— This paper presents a thorough analysis of the computational complexity of optimal reconfiguration planning problem for chain-type modular robots, i.e. finding the least number...
Feili Hou, Wei-Min Shen
79
Voted
MICS
2010
107views more  MICS 2010»
14 years 8 months ago
The Newton Polygon of a Rational Plane Curve
The Newton polygon of the implicit equation of a rational plane curve is explicitly determined by the multiplicities of any of its parametrizations. We give an intersection-theoret...
Carlos D'Andrea, Martín Sombra
88
Voted
APPROX
2005
Springer
111views Algorithms» more  APPROX 2005»
15 years 3 months ago
Sampling Bounds for Stochastic Optimization
A large class of stochastic optimization problems can be modeled as minimizing an objective function f that depends on a choice of a vector x ∈ X, as well as on a random external...
Moses Charikar, Chandra Chekuri, Martin Pál
STOC
2003
ACM
114views Algorithms» more  STOC 2003»
15 years 10 months ago
Testing subgraphs in directed graphs
Let H be a fixed directed graph on h vertices, let G be a directed graph on n vertices and suppose that at least n2 edges have to be deleted from it to make it H-free. We show tha...
Noga Alon, Asaf Shapira