148455 20250117162507.0 doi 10.1016/j.aml.2021.107473 sideral 125720 ART-2021-125720 eng Delgado Gracia, J Universidad de Zaragoza (orcid)0000-0003-2156-9856 Optimal properties of tensor product of B-bases 2021 It is proved the optimal conditioning for the infinity-norm of collocation matrices of the tensor product of normalized B-bases among the tensor product of all normalized totally positive bases of the corresponding space of functions. Bounds for the minimal eigenvalue and singular value and illustrative numerical examples are also included. (C) 2021 Elsevier Ltd. All rights reserved. Access copy available to the general public Unrestricted info:eu-repo/grantAgreement/ES/DGA/E41-17R info:eu-repo/grantAgreement/ES/MCIU-AEI/PGC2018-096321-B-I00 info:eu-repo/semantics/openAccess All rights reserved http://www.europeana.eu/rights/rr-f/ 4.294 2021 MATHEMATICS, APPLIED 8 / 267 = 0.03 2021 Q1 T1 1.362 2021 Applied Mathematics 2021 Q1 7.1 2021 info:eu-repo/semantics/article info:eu-repo/semantics/submittedVersion Orera, H Universidad de Zaragoza (orcid)0000-0002-4794-5875 Peña Ferrández, JM Universidad de Zaragoza (orcid)0000-0002-1340-0666 2005 595 Universidad de Zaragoza Dpto. Matemática Aplicada Área Matemática Aplicada 121 (2021), 107473 Appl. math. lett. APPLIED MATHEMATICS LETTERS 0893-9659 261264 http://zaguan.unizar.es/record/148455/files/texto_completo.pdf Preprint 489755 http://zaguan.unizar.es/record/148455/files/texto_completo.jpg?subformat=icon icon Preprint oai:zaguan.unizar.es:148455 articulos driver 2025-01-17-14:36:07 ARTICLE