We analyze two popular semidefinite programming relaxations for quadratically constrained quadratic programs with matrix variables. These relaxations are based on vector lifting and on matrix lifting; ...
Transactions of the American Mathematical Society, Vol. 355, No. 10 (Oct., 2003), pp. 3861-3886 (26 pages) Given square matrices B and B′ with a poset-indexed block structure (for which an ij block is ...
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