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Positive semidefinite germs in real analytic surfaces.

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dc.contributor.authorFernando Galván, José Francisco
dc.date.accessioned2023-06-20T16:51:19Z
dc.date.available2023-06-20T16:51:19Z
dc.date.issued2002
dc.description.abstractWe find all real analytic surface germs in R3 on which every positive semidefinite function germ is a sum of squares (in fact, of two squares) of analytic function germs.
dc.description.departmentDepto. de Álgebra, Geometría y Topología
dc.description.facultyFac. de Ciencias Matemáticas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Educación y Ciencia (España)
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/15237
dc.identifier.citationFernando, J. Positive semidefinite germs in real analytic surfaces. Math Ann 322, 49–67 (2002). https://doi.org/10.1007/s002080100264
dc.identifier.doi10.1007/s002080100264
dc.identifier.issn0025-5831
dc.identifier.officialurlhttps://doi.org/10.1007/s002080100264
dc.identifier.relatedurlhttp://www.springerlink.com/
dc.identifier.urihttps://hdl.handle.net/20.500.14352/57240
dc.issue.number1
dc.journal.titleMathematische Annalen
dc.language.isoeng
dc.page.final67
dc.page.initial49
dc.publisherSpringer
dc.relation.projectIDPB98-0756-C02-01
dc.rights.accessRightsrestricted access
dc.subject.cdu517.98
dc.subject.keywordSums of squares
dc.subject.keywordAnalytic rings
dc.subject.keywordAnalytic function germs
dc.subject.keywordPositive semidefinite functions
dc.subject.keywordBrieskorn singularity
dc.subject.ucmAnálisis funcional y teoría de operadores
dc.titlePositive semidefinite germs in real analytic surfaces.
dc.typejournal article
dc.type.hasVersionVoR
dc.volume.number322
dspace.entity.typePublication
relation.isAuthorOfPublication499732d5-c130-4ea6-8541-c4ec934da408
relation.isAuthorOfPublication.latestForDiscovery499732d5-c130-4ea6-8541-c4ec934da408

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