A worst-bound branching heuristic is proven size-optimal for fixed variable selection and empirically produces much tighter lower bounds for the minimum bandwidth problem than depth-first or breadth-first branching.
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Optimization Bounds from the Branching Dual
A worst-bound branching heuristic is proven size-optimal for fixed variable selection and empirically produces much tighter lower bounds for the minimum bandwidth problem than depth-first or breadth-first branching.