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» On the Grundy Number of a Graph
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AAAI
2012
11 years 10 months ago
Computing the Nucleolus of Matching, Cover and Clique Games
In cooperative games, a key question is to find a division of payoffs to coalition members in a fair manner. Nucleolus is one of such solution concepts that provides a stable sol...
Ning Chen, Pinyan Lu, Hongyang Zhang
EDBT
2011
ACM
197views Database» more  EDBT 2011»
12 years 11 months ago
Symmetrizations for clustering directed graphs
Graph clustering has generally concerned itself with clustering undirected graphs; however the graphs from a number of important domains are essentially directed, e.g. networks of...
Venu Satuluri, Srinivasan Parthasarathy
CRYPTO
2012
Springer
268views Cryptology» more  CRYPTO 2012»
11 years 10 months ago
Secret Sharing Schemes for Very Dense Graphs
A secret-sharing scheme realizes a graph if every two vertices connected by an edge can reconstruct the secret while every independent set in the graph does not get any informatio...
Amos Beimel, Oriol Farràs, Yuval Mintz
ALGORITHMICA
2010
137views more  ALGORITHMICA 2010»
13 years 7 months ago
A Fully Dynamic Graph Algorithm for Recognizing Interval Graphs
We present the first dynamic graph algorithm for recognizing interval graphs. The algorithm runs in O(n log n) worst-case time per edge deletion or edge insertion, where n is the ...
Louis Ibarra
CORR
2011
Springer
128views Education» more  CORR 2011»
13 years 2 months ago
LIFO-search on digraphs: A searching game for cycle-rank
We consider the extension of the last-in-first-out graph searching game of Giannopoulou and Thilikos to digraphs. We show that all common variations of the game require the same ...
Paul Hunter