Titlebook: Combinatorial Optimization and Applications; 10th International C T-H. Hubert Chan,Minming Li,Lusheng Wang Conference proceedings 2016 Spri

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Total Dual Integrality of Triangle Coveringhe total dual integrality of system ., as well as those for the (stronger) total unimodularity of matrix . and the (weaker) integrality of polyhedron .. These necessary conditions are shown to be sufficient when restricted to planar graphs. We prove that the three notions of integrality coincide, an

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