7 search results - page 1 / 2 » Simplicial cycles and the computation of simplicial trees |
JSC
2007
13 years 4 months ago
2007
We generalize the concept of a cycle from graphs to simplicial complexes. We show that a simplicial cycle is either a sequence of facets connected in the shape of a circle, or is ...
IPPS
2003
IEEE
13 years 10 months ago
2003
IEEE
Given a vector ( 1 2 ::: t) of non increasing positive integers, and an undirected graph G = (V E), an L( 1 2 ::: t)-coloring of G is a function f from the vertex set V to a set o...
COCOON
2010
Springer
13 years 9 months ago
2010
Springer
The persistent homology provides a mathematical tool to describe “features” in a principled manner. The persistence algorithm proposed by Edelsbrunner et al. [9] can compute n...
WG
2009
Springer
13 years 11 months ago
2009
Springer
Chordal graphs, also called triangulated graphs, are important in algorithmic graph theory. In this paper we generalise the definition of chordal graphs to the class of directed ...
COMPGEOM
1996
ACM
13 years 9 months ago
1996
ACM
We show that in the worst case, (ndd=2e;1 +n logn) sidedness queries are required to determine whether the convex hull of n points in IRd is simplicial, or to determine the number ...