Indefinite Abstract Splines with a Quadratic Constraint

We study an extension to Krein spaces of the abstract interpolating spline problem in Hilbert spaces, introduced by M. Atteia. This is a quadratically constrained quadratic programming problem, where the objective function is not convex, while the equality constraint is sign indefinite. We character...

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Detalles Bibliográficos
Autores: González Zerbo, Santiago, Maestripieri, Alejandra Laura, Martínez Pería, Francisco Dardo
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2020
País:Argentina
Institución:Universidad Nacional de La Plata
Repositorio:SEDICI (UNLP)
Idioma:inglés
OAI Identifier:oai:sedici.unlp.edu.ar:10915/143964
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/143964
Access Level:acceso abierto
Palabra clave:Matemática
Abstract splines
Krein spaces
Quadratically constrained quadratic programming
Linear quadratic regulator
Descripción
Sumario:We study an extension to Krein spaces of the abstract interpolating spline problem in Hilbert spaces, introduced by M. Atteia. This is a quadratically constrained quadratic programming problem, where the objective function is not convex, while the equality constraint is sign indefinite. We characterize the existence of solutions and, if there are any, we describe the set of solutions as the union of a family of affine manifolds parallel to a fixed subspace, which depend on the original data.