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DM
2010
144views more  DM 2010»
14 years 12 months ago
Balanced Cayley graphs and balanced planar graphs
A balanced graph is a bipartite graph with no induced circuit of length 2 (mod 4). These graphs arise in linear programming. We focus on graph-algebraic properties of balanced gra...
Joy Morris, Pablo Spiga, Kerri Webb
ENTCS
2008
95views more  ENTCS 2008»
14 years 12 months ago
An Experimental Ambiguity Detection Tool
Although programs convey an unambiguous meaning, the grammars used in practice to describe their syntax are often ambiguous, and completed with disambiguation rules. Whether these...
Sylvain Schmitz
GC
2008
Springer
14 years 12 months ago
On the Acyclic Chromatic Number of Hamming Graphs
An acyclic coloring of a graph G is a proper coloring of the vertex set of G such that G contains no bichromatic cycles. The acyclic chromatic number of a graph G is the minimum nu...
Robert E. Jamison, Gretchen L. Matthews
IPL
2008
84views more  IPL 2008»
14 years 12 months ago
The equational theory of prebisimilarity over basic CCS with divergence
This paper studies the equational theory of prebisimilarity, a bisimulation-based preorder introduced by Hennessy and Milner in the early 1980s, over basic CCS with the divergent ...
Luca Aceto, Silvio Capobianco, Anna Ingólfs...
INFORMATICALT
2006
117views more  INFORMATICALT 2006»
14 years 11 months ago
Job Sequencing with Exponential Functions of Processing Times
We study single machine scheduling problems, where processing times of the jobs are exponential functions of their start times. For increasing functions, we prove strong NP-hardnes...
Adam Janiak, Mikhail Y. Kovalyov