Parametric Semidefinite Programming: Geometry of the Trajectory of Solutions

Fuente: arXiv
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Hauptverfasser: Bellon, Antonio, Henrion, Didier, Kungurtsev, Vyacheslav, Marecek, Jakub
Format: Preprint
Veröffentlicht: 2021
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author Bellon, Antonio
Henrion, Didier
Kungurtsev, Vyacheslav
Marecek, Jakub
author_facet Bellon, Antonio
Henrion, Didier
Kungurtsev, Vyacheslav
Marecek, Jakub
contents In many applications, solutions of convex optimization problems are updated on-line, as functions of time. In this paper, we consider parametric semidefinite programs, which are linear optimization problems in the semidefinite cone whose coefficients (input data) depend on a time parameter. We are interested in the geometry of the solution (output data) trajectory, defined as the set of solutions depending on the parameter. We propose an exhaustive description of the geometry of the solution trajectory. As our main result, we show that only six distinct behaviors can be observed at a neighborhood of a given point along the solution trajectory. Each possible behavior is then illustrated by an example.
format Preprint
id arxiv_https___arxiv_org_abs_2104_05445
institution arXiv
publishDate 2021
record_format arxiv
spellingShingle Parametric Semidefinite Programming: Geometry of the Trajectory of Solutions
Bellon, Antonio
Henrion, Didier
Kungurtsev, Vyacheslav
Marecek, Jakub
Optimization and Control
In many applications, solutions of convex optimization problems are updated on-line, as functions of time. In this paper, we consider parametric semidefinite programs, which are linear optimization problems in the semidefinite cone whose coefficients (input data) depend on a time parameter. We are interested in the geometry of the solution (output data) trajectory, defined as the set of solutions depending on the parameter. We propose an exhaustive description of the geometry of the solution trajectory. As our main result, we show that only six distinct behaviors can be observed at a neighborhood of a given point along the solution trajectory. Each possible behavior is then illustrated by an example.
title Parametric Semidefinite Programming: Geometry of the Trajectory of Solutions
topic Optimization and Control
url https://arxiv.org/abs/2104.05445