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SIAMDM
2002
124views more  SIAMDM 2002»
15 years 3 months ago
Counting Claw-Free Cubic Graphs
Let Hn be the number of claw-free cubic graphs on 2n labeled nodes. Combinatorial reductions are used to derive a second order, linear homogeneous differential equation with polyno...
Edgar M. Palmer, Ronald C. Read, Robert W. Robinso...
FOSSACS
2004
Springer
15 years 9 months ago
Deriving Bisimulation Congruences in the DPO Approach to Graph Rewriting
Abstract. Motivated by recent work on the derivation of labelled transitions and bisimulation congruences from unlabelled reaction rules, we show how to solve this problem in the D...
Hartmut Ehrig, Barbara König
TACAS
1997
Springer
105views Algorithms» more  TACAS 1997»
15 years 8 months ago
Graphs in METAFrame: The Unifying Power of Polymorphism
We present a highly polymorphic tool for the construction, synthesis, structuring, manipulation, investigation, and (symbolic) execution of graphs. The exibility of this tool, whic...
Michael von der Beeck, Volker Braun, Andreas Cla&s...
DM
2000
111views more  DM 2000»
15 years 3 months ago
Representations of graphs modulo n
A graph is said to be representable modulo n if its vertices can be labelled with distinct integers between 0 and n - 1 inclusive such that two vertices are adjacent if and only i...
Anthony B. Evans, Garth Isaak, Darren A. Narayan
RSA
2010
64views more  RSA 2010»
15 years 2 months ago
Vertices of given degree in series-parallel graphs
We show that the number of vertices of a given degree k in several kinds of series-parallel labelled graphs of size n satisfy a central limit theorem with mean and variance proport...
Michael Drmota, Omer Giménez, Marc Noy