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SIAMDM
2010
138views more  SIAMDM 2010»
13 years 8 months ago
The Last Fraction of a Fractional Conjecture
Reed conjectured that for every ε > 0 and every integer ∆, there exists g such that the fractional total chromatic number of every graph with maximum degree ∆ and girth at...
Frantisek Kardos, Daniel Král', Jean-S&eacu...
SIAMDM
2010
99views more  SIAMDM 2010»
13 years 8 months ago
Reductions of Young Tableau Bijections
We introduce notions of linear reduction and linear equivalence of bijections for the purposes of study bijections between Young tableaux. Originating in Theoretical Computer Scie...
Igor Pak, Ernesto Vallejo
SIAMDM
2010
110views more  SIAMDM 2010»
13 years 4 months ago
Embedding Spanning Trees in Random Graphs
We prove that if T is a tree on n vertices with maximum degree and the edge probability p(n) satisfies: np C max{ log n, n } for some constant > 0, then with high probability...
Michael Krivelevich
SIAMDM
2010
109views more  SIAMDM 2010»
13 years 4 months ago
Ends and Vertices of Small Degree in Infinite Minimally k-(Edge)-Connected Graphs
Bounds on the minimum degree and on the number of vertices attaining it have been much studied for finite edge-/vertex-minimally kconnected/k-edge-connected graphs. We give an ove...
Maya Stein
SIAMDM
2010
87views more  SIAMDM 2010»
13 years 4 months ago
Set Systems without a Strong Simplex
A d-simplex is a collection of d + 1 sets such that every d of them have non-empty intersection and the intersection of all of them is empty. A strong d-simplex is a collection of...
Tao Jiang, Oleg Pikhurko, Zelealem Yilma