Sciweavers

97 search results - page 3 / 20
» Some graphs related to the small Mathieu groups
Sort
View
CPM
2004
Springer
84views Combinatorics» more  CPM 2004»
14 years 1 months ago
Small Phylogeny Problem: Character Evolution Trees
Abstract. Phylogenetics is a science of determining connections between groups of organisms in terms of ancestor/descendent relationships, usually expressed by phylogenetic trees, ...
Arvind Gupta, Ján Manuch, Ladislav Stacho, ...
APPML
2004
84views more  APPML 2004»
13 years 8 months ago
Renormalization group methods for nonlinear parabolic equations
ABSTRACT.Renormalization group (RG) methods are described for determining the key exponents related to the decay of solutions to nonlinear parabolic differential equations. Higher ...
H. Merdan, G. Caginalp
IJAC
2007
64views more  IJAC 2007»
13 years 8 months ago
Star-Free Geodesic Languages for Groups
In this article we show that every group with a finite presentation satisfying one or both of the small cancellation conditions C (1/6) and C (1/4) − T (4) has the property that...
Susan M. Hermiller, Derek F. Holt, Sarah Rees
GC
2006
Springer
13 years 8 months ago
The Semi-Arc Automorphism Group of a Graph with Application to Map Enumeration
A map is a connected topological graph cellularly embedded in a surface. For a given graph , its genus distribution of rooted maps and embeddings on orientable and non-orientable s...
Linfan Mao, Yanpei Liu, Erling Wei
GG
2004
Springer
14 years 1 months ago
Embedding in Switching Classes with Skew Gains
Abstract. In the context of graph transformation we look at the operation of switching, which can be viewed as an elegant method for realizing global transformations of (group-labe...
Andrzej Ehrenfeucht, Jurriaan Hage, Tero Harju, Gr...