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math.OC2022
The Largest Unsolved QAP Instance Tai256c Can Be Converted into A 256-dimensional Simple BQOP with A Single Cardinality Constraint
Koichi Fujii, Sunyoung Kim, Masakazu Kojima +2
Tai256c is the largest unsolved quadratic assignment problem (QAP) instance in QAPLIB; a 1.48\% gap remains between the best known feasible objective value and lower bound of the u…
math.OC2022★ 1 cited
Faster exact solution of sparse MaxCut and QUBO problems
Daniel Rehfeldt, Thorsten Koch, Yuji Shinano
The maximum-cut problem is one of the fundamental problems in combinatorial optimization. With the advent of quantum computers, both the maximum-cut and the equivalent quadratic un…