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SIAMAM
2000
79views more  SIAMAM 2000»
13 years 9 months ago
A Mathematical Model for Spatially Varying Extracellular Matrix Alignment
Orientation of extracellular matrix fibers in the skin is a key ingredient of tissue appearance and function, and differences in fiber alignment are one of the main distinctions be...
John C. Dallon, Jonathan A. Sherratt
SIAMCOMP
2000
97views more  SIAMCOMP 2000»
13 years 9 months 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
109views more  SIAMCOMP 2000»
13 years 9 months ago
Dual-Bounded Generating Problems: Partial and Multiple Transversals of a Hypergraph
Abstract. We consider two natural generalizations of the notion of transversal to a finite hypergraph, arising in data-mining and machine learning, the so called multiple and parti...
Endre Boros, Vladimir Gurvich, Leonid Khachiyan, K...
SIAMCOMP
2000
125views more  SIAMCOMP 2000»
13 years 9 months ago
Approximating the Stretch Factor of Euclidean Graphs
There are several results available in the literature dealing with efficient construction of t-spanners for a given set S of n points in Rd. t-spanners are Euclidean graphs in whic...
Giri Narasimhan, Michiel H. M. Smid
SIGKDD
2000
112views more  SIGKDD 2000»
13 years 9 months ago
Artificial Neural Networks - A Science in Trouble
This article points out some very serious misconceptions about the brain in connectionism and artificial neural networks. Some of the connectionist ideas have been shown to have l...
Asim Roy