Sciweavers

SIAMDM
2008
70views more  SIAMDM 2008»
13 years 4 months ago
Near-Unanimity Functions and Varieties of Reflexive Graphs
Richard C. Brewster, Tomás Feder, Pavol Hel...
SIAMDM
2008
99views more  SIAMDM 2008»
13 years 4 months ago
Hat Guessing Games
Hat problems have become a popular topic in recreational mathematics. In a typical hat problem, each of n players tries to guess the color of the hat they are wearing by looking a...
Steve Butler, Mohammad Taghi Hajiaghayi, Robert D....
SIAMDM
2008
83views more  SIAMDM 2008»
13 years 4 months ago
Combinatorial Properties of a Rooted Graph Polynomial
For a rooted graph G, let EV (G; p) be the expected number of vertices reachable from the root when each edge has an independent probability p of operating successfully. We examine...
David Eisenstat, Gary Gordon, Amanda Redlich
SIAMDM
2008
79views more  SIAMDM 2008»
13 years 4 months ago
Testing Triangle-Freeness in General Graphs
In this paper we consider the problem of testing whether a graph is triangle-free, and more generally, whether it is H-free, for a fixed subgraph H. The algorithm should accept gr...
Noga Alon, Tali Kaufman, Michael Krivelevich, Dana...
SIAMDM
2008
77views more  SIAMDM 2008»
13 years 4 months ago
Cycles Intersecting Edge-Cuts of Prescribed Sizes
Tomás Kaiser, Riste Skrekovski
SIAMDM
2008
154views more  SIAMDM 2008»
13 years 4 months ago
On the First-Fit Chromatic Number of Graphs
The first-fit chromatic number of a graph is the number of colors needed in the worst case of a greedy coloring. It is also called the Grundy number, which is defined to be the max...
József Balogh, Stephen G. Hartke, Qi Liu, G...