A Tractable Nonconvex Surrogate for the Matrix l0-quasinorm: Applications to Sparse Feedback Design**The work of the first author was supported by the Russian Foundation for Basic Research, project no. 14-08-01230. The work of the second author was supported by the Russian Science Foundation, project no. 16-11-10015.
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2013 ◽
Vol 46
(13)
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pp. 520-525
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pp. 3-20
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Vol 1
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pp. 411-429
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