12 citations · 21 across the 7 of their papers we have counts for
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math.OC2019
Algorithmic Versatility of SPF-regularization Methods
Lixin Shen, Bruce W. Suter, Erin E. Tripp
Sparsity promoting functions (SPFs) are commonly used in optimization problems to find solutions which are assumed or desired to be sparse in some basis. For example, the l1-regula…
math.NA2019
Principal Component Projection with Low-Degree Polynomials
Stephen D. Farnham, Lixin Shen, Bruce W. Suter
In this paper, we consider approximations of principal component projection (PCP) without explicitly computing principal components. This problem has been studied in several recent…