Sciweavers

654 search results - page 25 / 131
» Matrix Graph Grammars
Sort
View
141
Voted
ICALP
2007
Springer
15 years 10 months ago
Conservative Ambiguity Detection in Context-Free Grammars
The ability to detect ambiguities in context-free grammars is vital for their use in several fields, but the problem is undecidable in the general case. We present a safe, conser...
Sylvain Schmitz
174
Voted
FOCS
2010
IEEE
15 years 1 months ago
Replacement Paths via Fast Matrix Multiplication
Let G be a directed edge-weighted graph and let P be a shortest path from s to t in G. The replacement paths problem asks to compute, for every edge e on P, the shortest s-to-t pat...
Oren Weimann, Raphael Yuster
128
Voted
WALCOM
2008
IEEE
127views Algorithms» more  WALCOM 2008»
15 years 5 months ago
A Fast Algorithm to Calculate Powers of a Boolean Matrix for Diameter Computation of Random Graphs
In this paper, a fast algorithm is proposed to calculate kth power of an n
Md. Abdur Razzaque, Choong Seon Hong, Mohammad Abd...
95
Voted
ENGL
2007
56views more  ENGL 2007»
15 years 3 months ago
Model Counting for 2SAT Based on Graphs by Matrix Operators
C. Guillen, A. Lopez, G. De Ita