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ENTCS
2002
13 years 9 months ago
2002
We show how coalgebras can be presented by operations and equations. This is a special case of Linton's approach to algebras over a general base category X, namely where X is...
ENTCS
2002
13 years 9 months ago
2002
Every endofunctor F of Set has an initial algebra and a final coalgebra, but they are classes in general. Consequently, the endofunctor F of the category of classes that F induces...
SIAMJO
2002
13 years 9 months ago
2002
The paper deals with the calmness of a class of multifunctions in finite dimensions. Its first part is devoted to various conditions for calmness, which are derived in terms of cod...
AICOM
2002
13 years 9 months ago
2002
The computational potential of artificial living systems can be studied without knowing the algorithms that govern their behavior. Modeling single organisms by means of socalled c...
VISUALIZATION
2002
IEEE
14 years 2 months ago
2002
IEEE
We report on using computed tomography (CT) as a model acquisition tool for complex objects in computer graphics. Unlike other modeling and scanning techniques the complexity of t...