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Which nonnegative matrices are slack matrices? (English) Zbl 1283.15103
Summary: We characterize the slack matrices of cones and polytopes among all nonnegative matrices. This leads to an algorithm for deciding whether a given matrix is a slack matrix. The underlying decision problem is equivalent to the polyhedral verification problem whose complexity is unknown.

##### MSC:
 15B48 Positive matrices and their generalizations; cones of matrices 52B11 $$n$$-dimensional polytopes 65F30 Other matrix algorithms (MSC2010)
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