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dc.contributor.author
Pinasco, Juan Pablo  
dc.contributor.author
Scarola, Cristian  
dc.date.available
2020-01-07T18:50:56Z  
dc.date.issued
2015-04  
dc.identifier.citation
Pinasco, Juan Pablo; Scarola, Cristian; A nodal inverse problem for second order Sturm-Liouville operators with indefinite weights; Elsevier Science Inc; Applied Mathematics and Computation; 256; 4-2015; 819-830  
dc.identifier.issn
0096-3003  
dc.identifier.uri
http://hdl.handle.net/11336/93862  
dc.description.abstract
In this paper we study an inverse problem for weighted second order Sturm-Liouville equations. We show that the zeros of any subsequence of eigenfunctions, or a dense set of nodes, are enough to determine the weight. We impose weaker hypotheses for positive weights, and we generalize the proof to include indefinite weights. Moreover, the parameters in the boundary conditions can be determined numerically by using a shooting method.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Elsevier Science Inc  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
PROBLEMAS INVERSOS  
dc.subject
AUTOVALORES  
dc.subject
PUNTOS NODALES  
dc.subject
PESOS INDEFINIDOS  
dc.subject.classification
Matemática Pura  
dc.subject.classification
Matemáticas  
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS  
dc.title
A nodal inverse problem for second order Sturm-Liouville operators with indefinite weights  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2019-10-04T18:39:01Z  
dc.journal.volume
256  
dc.journal.pagination
819-830  
dc.journal.pais
Países Bajos  
dc.journal.ciudad
Amsterdam  
dc.description.fil
Fil: Pinasco, Juan Pablo. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Matemática; Argentina  
dc.description.fil
Fil: Scarola, Cristian. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Investigaciones Matemáticas "Luis A. Santaló". Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Matemáticas "Luis A. Santaló"; Argentina  
dc.journal.title
Applied Mathematics and Computation  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0096300315001332  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.amc.2015.01.101