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DAM
2008
102views more  DAM 2008»
15 years 2 months ago
On the computational complexity of partial covers of Theta graphs
By use of elementary geometric arguments we prove the existence of a special integral solution of a certain system of linear equations. The existence of such a solution yields the...
Jirí Fiala, Jan Kratochvíl, Attila P...
EOR
2010
87views more  EOR 2010»
15 years 2 months ago
Surrogate constraint normalization for the set covering problem
José H. Ablanedo-Rosas, César Rego
ENDM
2008
61views more  ENDM 2008»
15 years 2 months ago
A bijection for covered maps on orientable surfaces
Olivier Bernardi, Guillaume Chapuy
APAL
2006
54views more  APAL 2006»
15 years 2 months ago
Covering the Baire space by families which are not finitely dominating
It is consistent (relative to ZFC) that each union of max{b, g} many families in the Baire space which are not finitely dominating is not dominating. In particular, it is consist...
Heike Mildenberger, Saharon Shelah, Boaz Tsaban