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IPL
2000
111views more  IPL 2000»
13 years 7 months ago
On the performance of the first-fit coloring algorithm on permutation graphs
In this paper we study the performance of a particular on-line coloring algorithm, the First-Fit or Greedy algorithm, on a class of perfect graphs namely the permutation graphs. W...
Stavros D. Nikolopoulos, Charis Papadopoulos
COLT
2003
Springer
14 years 26 days ago
On Learning to Coordinate: Random Bits Help, Insightful Normal Forms, and Competency Isomorphisms
A mere bounded number of random bits judiciously employed by a probabilistically correct algorithmic coordinator is shown to increase the power of learning to coordinate compared ...
John Case, Sanjay Jain, Franco Montagna, Giulia Si...
STOC
2005
ACM
135views Algorithms» more  STOC 2005»
14 years 8 months ago
Quadratic forms on graphs
We introduce a new graph parameter, called the Grothendieck constant of a graph G = (V, E), which is defined as the least constant K such that for every A : E R, sup f:V S|V |-1 ...
Noga Alon, Konstantin Makarychev, Yury Makarychev,...
DAM
1998
67views more  DAM 1998»
13 years 7 months ago
A Graph-theoretic Generalization of the Sauer-Shelah Lemma
We show a natural graph-theoretic generalization of the Sauer–Shelah lemma. This result is applied to bound the ‘∞ and L1 packing numbers of classes of functions whose range...
Nicolò Cesa-Bianchi, David Haussler
ISMVL
2002
IEEE
82views Hardware» more  ISMVL 2002»
14 years 17 days ago
Representations of Logic Functions Using QRMDDs
This paper considers quasi-reduced multi-valued decision diagrams with bits (QRMDD( )s) to represent twovalued logic functions. It shows relations between the numbers of nodes in ...
Shinobu Nagayama, Tsutomu Sasao, Yukihiro Iguchi, ...