44 search results - page 9 / 9 » Fibrations of Simplicial Sets |
ISVD
2010
IEEE
13 years 3 months ago
2010
IEEE
—We study the topology of the Megaparsec Cosmic Web on the basis of the Alpha Shapes of the galaxy distribution. The simplicial complexes of the alpha shapes are used to determin...
COMPGEOM
2011
ACM
12 years 8 months ago
2011
ACM
Given a continuous function f : X → IR on a topological space X, its level set f−1 (a) changes continuously as the real value a changes. Consequently, the connected components...
GIS
2005
ACM
14 years 6 months ago
2005
ACM
A necessary step in the implementation of three-dimensional spatial data types for spatial database systems and GIS is the development of robust geometric primitives. The authors ...
ICCAD
1993
IEEE
13 years 9 months ago
1993
IEEE
A new technique for design centering, and for polytope approximation of the feasible region for a design are presented. In the rst phase, the feasible region is approximated by a ...