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141
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DM
2002
134views more  DM 2002»
15 years 2 months ago
Covering a hypergraph of subgraphs
Let G be a tree and let H be a collection of subgraphs of G, each having at most d connected components. Let (H) denote the maximum number of members of H no two of which share a ...
Noga Alon
71
Voted
DM
2002
53views more  DM 2002»
15 years 2 months ago
L-functions for images of graph coverings by some operations
Hirobumi Mizuno, Iwao Sato
IJDAR
2000
54views more  IJDAR 2000»
15 years 2 months ago
Text extraction from colored book and journal covers
Karin Sobottka, Heino Kronenberg, T. Perroud, Hors...
96
Voted
EJC
2002
15 years 2 months ago
Asymptotic Clique Covering Ratios of Distance Graphs
Daphne Der-Fen Liu, Xuding Zhu
ENDM
2002
74views more  ENDM 2002»
15 years 2 months ago
Vertex Coverings by Coloured Induced Graphs - Frames and Umbrellas
A graph G homogeneously embeds in a graph H if for every vertex x of G and every vertex y of H there is an induced copy of G in H with x at y. The graph G uniformly embeds in H if...
Wayne Goddard, Michael A. Henning