On the Burer–Monteiro method for general semidefinite programs
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11590_2021_1705_ReferencePDF.pdf
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Author(s)
Cifuentes, Diego
Date Issued
January 28, 2021
Publisher
Springer Berlin Heidelberg
Version
Author's final manuscript
Abstract
Abstract
Consider a semidefinite program involving an
$$n\times n$$
n
×
n
positive semidefinite matrix X. The Burer–Monteiro method uses the substitution
$$X=Y Y^T$$
X
=
Y
Y
T
to obtain a nonconvex optimization problem in terms of an
$$n\times p$$
n
×
p
matrix Y. Boumal et al. showed that this nonconvex method provably solves equality-constrained semidefinite programs with a generic cost matrix when
$$p > rsim \sqrt{2m}$$
p
≳
2
m
, where m is the number of constraints. In this note we extend their result to arbitrary semidefinite programs, possibly involving inequalities or multiple semidefinite constraints. We derive similar guarantees for a fixed cost matrix and generic constraints. We illustrate applications to matrix sensing and integer quadratic minimization.
MIT Department
Massachusetts Institute of Technology. Department of Mathematics
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DOI of Published Version
https://doi.org/10.1007/s11590-021-01705-4