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RAS
2000
144views more  RAS 2000»
15 years 12 days ago
Robot navigation in the real world: : Experiments with Manchester's FortyTwo in unmodified, large environments
Mobile robot navigation under controlled laboratory conditions is, by now, state of the art and reliably achievable. To transfer navigation mechanisms used in such small-scale env...
Ulrich Nehmzow, Carl Owen
78
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SIAMAM
2000
71views more  SIAMAM 2000»
15 years 12 days ago
Wave-Block in Excitable Media Due to Regions of Depressed Excitability
We study propagation failure using the one-dimensional scalar bistable equation with a passive "gap" region. By applying comparison principles for this type of equation, ...
James P. Keener, Timothy J. Lewis
SIAMCOMP
2000
97views more  SIAMCOMP 2000»
15 years 12 days ago
Complexity of Some Problems Concerning Varieties and Quasi-Varieties of Algebras
In this paper we consider the complexity of several problems involving finite algebraic structures. Given finite algebras A and B, these problems ask the following. (1) Do A and B ...
Clifford Bergman, Giora Slutzki
SIAMCOMP
2000
104views more  SIAMCOMP 2000»
15 years 12 days ago
On the Difficulty of Designing Good Classifiers
We consider the problem of designing a near-optimal linear decision tree to classify two given point sets B and W in n. A linear decision tree de nes a polyhedral subdivision of sp...
Michelangelo Grigni, Vincent Mirelli, Christos H. ...
SIAMJO
2000
108views more  SIAMJO 2000»
15 years 12 days ago
Smooth SQP Methods for Mathematical Programs with Nonlinear Complementarity Constraints
Mathematical programs with nonlinear complementarity constraints are reformulated using better-posed but nonsmooth constraints. We introduce a class of functions, parameterized by...
Houyuan Jiang, Daniel Ralph