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A Semidefinite Representation for some Minimum Cardinality Problems

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arxiv math/0302092 v2 pith:35JKIPNR submitted 2003-02-09 math.OC

A Semidefinite Representation for some Minimum Cardinality Problems

classification math.OC
keywords semidefiniteminimumcardinalityproblemproblemsrepresentationsomebounds
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Using techniques developed in [Lasserre02], we show that some minimum cardinality problems subject to linear inequalities can be represented as finite sequences of semidefinite programs. In particular, we provide a semidefinite representation of the minimum rank problem on positive semidefinite matrices. We also use this technique to cast the problem of finding convex lower bounds on the objective as a semidefinite program.

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