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ICPR
2008
IEEE
14 years 3 months ago
Birkhoff polytopes, heat kernels and graph complexity
In this paper we use doubly stochastic matrices to establish a link between Birkhoff polytopes and heat kernels on graphs. Based on this analysis we construct a multi-dimensional ...
Francisco Escolano, Edwin R. Hancock, Miguel Angel...
IROS
2007
IEEE
128views Robotics» more  IROS 2007»
14 years 3 months ago
A scalable distributed algorithm for shape transformation in multi-robot systems
Abstract— Distributed reconfiguration is an important problem in multi-robot systems such as mobile sensor nets and metamorphic robot systems. In this work, we present a scalabl...
Ram Ravichandran, G. Gordon, Seth Copen Goldstein
GECCO
1999
Springer
106views Optimization» more  GECCO 1999»
14 years 1 months ago
Generating Lemmas for Tableau-based Proof Search Using Genetic Programming
Top-down or analytical provers based on the connection tableau calculus are rather powerful, yet have notable shortcomings regarding redundancy control. A well-known and successfu...
Marc Fuchs, Dirk Fuchs, Matthias Fuchs
AISC
2006
Springer
14 years 26 days ago
Hierarchical Representations with Signatures for Large Expression Management
Abstract. We describe a method for managing large expressions in symbolic computations which combines a hierarchical representation with signature calculations. As a case study, th...
Wenqin Zhou, Jacques Carette, David J. Jeffrey, Mi...
HPCN
2000
Springer
14 years 22 days ago
ParIC: A Family of Parallel Incomplete Cholesky Preconditioners
A class of parallel incomplete factorization preconditionings for the solution of large linear systems is investigated. The approach may be regarded as a generalized domain decompo...
Mardochée Magolu monga Made, Henk A. van de...