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07/11/2022
On SOCP-based disjunctive cuts for solving a class of integer bilevel nonlinear programs
We study a class of integer bilevel programs with second-order cone cons...
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11/12/2021
SOCP-based disjunctive cuts for a class of integer nonlinear bilevel programs
We study a class of bilevel integer programs with second-order cone cons...
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11/04/2020
Trading off 1-norm and sparsity against rank for linear models using mathematical optimization: 1-norm minimizing partially reflexive ah-symmetric generalized inverses
The M-P (Moore-Penrose) pseudoinverse has as a key application the compu...
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10/20/2020
1-norm minimization and minimum-rank structured sparsity for symmetric and ah-symmetric generalized inverses: rank one and two
Generalized inverses are important in statistics and other areas of appl...
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09/15/2020
Gaining or Losing Perspective for Piecewise-Linear Under-Estimators of Convex Univariate Functions
We study MINLO (mixed-integer nonlinear optimization) formulations of th...
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03/13/2020
An R Package for generating covariance matrices for maximum-entropy sampling from precipitation chemistry data
We present an open-source R package (MESgenCov v 0.1.0) for temporally f...
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07/09/2018
On Sparse Reflexive Generalized Inverses
We study sparse generalized inverses H of a rank-r real matrix A. We giv...
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03/15/2018