TY - JOUR
T1 - Bart-Moe games, JumbleG and discrepancy
AU - Hefetz, Dan
AU - Krivelevich, Michael
AU - Szabó, Tibor
N1 - Funding Information:
This paper is a part of the first author’s Ph.D. under the supervision of Professor Michael Krivelevich. The second author’s research was supported in part by a USA–Israeli BSF grant and a grant from the Israeli Science Foundation.
PY - 2007/5
Y1 - 2007/5
N2 - Let A and B be hypergraphs with a common vertex set V. In a (p, q, A ∪ B) Bart-Moe game, the players take turns selecting previously unclaimed vertices of V. The game ends when every vertex has been claimed by one of the players. The first player, called Bart (to denote his role as Breaker and Avoider together), selects p vertices per move and the second player, called Moe (to denote his role as Maker or Enforcer), selects q vertices per move. Bart wins the game iff he has at least one vertex in every hyperedge B ∈ B and no complete hyperedge A ∈ A. We prove a sufficient condition for Bart to win the (p, 1) game, for every positive integer p. We then apply this criterion to two different games in which the first player's aim is to build a pseudo-random graph of density frac(p, p + 1), and to a discrepancy game.
AB - Let A and B be hypergraphs with a common vertex set V. In a (p, q, A ∪ B) Bart-Moe game, the players take turns selecting previously unclaimed vertices of V. The game ends when every vertex has been claimed by one of the players. The first player, called Bart (to denote his role as Breaker and Avoider together), selects p vertices per move and the second player, called Moe (to denote his role as Maker or Enforcer), selects q vertices per move. Bart wins the game iff he has at least one vertex in every hyperedge B ∈ B and no complete hyperedge A ∈ A. We prove a sufficient condition for Bart to win the (p, 1) game, for every positive integer p. We then apply this criterion to two different games in which the first player's aim is to build a pseudo-random graph of density frac(p, p + 1), and to a discrepancy game.
UR - http://www.scopus.com/inward/record.url?scp=33847648936&partnerID=8YFLogxK
U2 - 10.1016/j.ejc.2006.03.004
DO - 10.1016/j.ejc.2006.03.004
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AN - SCOPUS:33847648936
SN - 0195-6698
VL - 28
SP - 1131
EP - 1143
JO - European Journal of Combinatorics
JF - European Journal of Combinatorics
IS - 4
ER -