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- W2076451537 abstract "We study the problem of finding a set of constraints of minimum cardinality which when relaxed in an infeasible linear program, make it feasible. We show the problem is NP-hard even when the constraint matrix is totally unimodular and prove polynomial-time solvability when the constraint matrix and the right-hand-side together form a totally unimodular matrix." @default.
- W2076451537 created "2016-06-24" @default.
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- W2076451537 date "1993-02-01" @default.
- W2076451537 modified "2023-09-28" @default.
- W2076451537 title "A note on resolving infeasibility in linear programs by constraint relaxation" @default.
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- W2076451537 doi "https://doi.org/10.1016/0167-6377(93)90079-v" @default.
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