TY - JOUR
T1 - On the complexity of the traveling umpire problem
AU - de Oliveira, Lucas
AU - de Souza, Cid C.
AU - Yunes, Tallys
N1 - Funding Information:
This research was supported by CAPES grant 01-P-01965-2012 and CNPq grants 142278/2013-0 , 477692/2012-5 , and 302804/2010-2 .
Publisher Copyright:
© 2014 Elsevier B.V.
Copyright:
Copyright 2015 Elsevier B.V., All rights reserved.
PY - 2015
Y1 - 2015
N2 - The traveling umpire problem (TUP) consists of determining which games will be handled by each one of several umpire crews during a double round-robin tournament. The objective is to minimize the total distance traveled by the umpires, while respecting constraints that include visiting every team at home, and not seeing a team or venue too often. Even small instances of the TUP are very difficult to solve, and several exact and heuristic approaches for it have been proposed in the literature. To this date, however, no formal proof of the TUP's computational complexity exists. We prove that the decision version of the TUP is NP-complete for certain values of its input parameters.
AB - The traveling umpire problem (TUP) consists of determining which games will be handled by each one of several umpire crews during a double round-robin tournament. The objective is to minimize the total distance traveled by the umpires, while respecting constraints that include visiting every team at home, and not seeing a team or venue too often. Even small instances of the TUP are very difficult to solve, and several exact and heuristic approaches for it have been proposed in the literature. To this date, however, no formal proof of the TUP's computational complexity exists. We prove that the decision version of the TUP is NP-complete for certain values of its input parameters.
KW - Computational complexity
KW - Sports scheduling
KW - Traveling umpire problem
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U2 - 10.1016/j.tcs.2014.09.037
DO - 10.1016/j.tcs.2014.09.037
M3 - Article
AN - SCOPUS:84923698933
VL - 562
SP - 101
EP - 111
JO - Theoretical Computer Science
JF - Theoretical Computer Science
SN - 0304-3975
IS - C
ER -