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SIROCCO
2003
15 years 6 months ago
Polynomial-Time Computable Backup Tables for Shortest-Path Routing
For networks employing shortest-path routing, we introduce a new recovery scheme which needs only one backup routing table. By precomputing this backup table, the network recovers...
Hiro Ito, Kazuo Iwama, Yasuo Okabe, Takuya Yoshihi...
131
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GD
2008
Springer
15 years 5 months ago
Generalizing the Shift Method for Rectangular Shaped Vertices with Visibility Constraints
In this paper we present a generalization of the shift method algorithm [4, 6] to obtain a straight-line grid drawing of a triconnected graph, where vertex representations have a c...
Seok-Hee Hong, Martin Mader
ARSCOM
2007
65views more  ARSCOM 2007»
15 years 4 months ago
Odd and Even Dominating Sets with Open Neighborhoods
A subset D of the vertex set V of a graph is called an open oddd dominating set if each vertex in V is adjacent to an odd number of vertices in D (adjacency is irreflexive). In t...
John L. Goldwasser, William Klostermeyer
FMSD
2007
97views more  FMSD 2007»
15 years 4 months ago
On the optimal reachability problem of weighted timed automata
We study the cost-optimal reachability problem for weighted timed automata such that positive and negative costs are allowed on edges and locations. By optimality, we mean an infi...
Patricia Bouyer, Thomas Brihaye, Véronique ...
127
Voted
ECCC
1998
117views more  ECCC 1998»
15 years 4 months ago
Determinant: Old Algorithms, New Insights
In this paper we approach the problem of computing the characteristic polynomial of a matrix from the combinatorial viewpoint. We present several combinatorial characterizations of...
Meena Mahajan, V. Vinay