Questions tagged [totally-unimodular]

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Totally unimodular towards linear programming relaxation

I'm currently studying about totally unimodular. I was reading this link:, from page 38-41 and I came across the statement: 'It is clear that ...
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Non-Integral Optimal Solutions of Totally Unimodular Linear Programs

If a Linear Program (LP) has Totally Unimodular constraint matrix, integer RHS vector, and has an optimal solution, then it has an integer optimal solution. But what about additional optimal solutions ...