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A comment concerning cohomology and invariants of Lie algebras with respect to contractions and deformations

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dc.contributor.authorCampoamor Stursberg, Otto-Rudwig
dc.date.accessioned2023-06-20T10:35:16Z
dc.date.available2023-06-20T10:35:16Z
dc.date.issued2007
dc.description.abstractContrary to the expected behavior, we show the existence of non-invertible deformations of Lie algebras which can generate invariants for the coadjoint representation, as well as delete cohomology with values in the trivial or adjoint module. A criterion to decide whether a given deformation is invertible or not is given in dependence of the Poincaré polynomial.en
dc.description.departmentDepto. de Álgebra, Geometría y Topología
dc.description.facultyFac. de Ciencias Matemáticas
dc.description.facultyInstituto de Matemática Interdisciplinar (IMI)
dc.description.refereedTRUE
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/21618
dc.identifier.doi10.1016/j.physleta.2006.10.050
dc.identifier.issn0375-9601
dc.identifier.officialurlhttps//doi.org/10.1016/j.physleta.2006.10.050
dc.identifier.relatedurlhttp://www.sciencedirect.com/science/article/pii/S0375960106016422
dc.identifier.urihttps://hdl.handle.net/20.500.14352/50673
dc.issue.number5-6
dc.journal.titlePhysics Letters A
dc.language.isoeng
dc.page.final367
dc.page.initial360
dc.publisherElsevier
dc.rights.accessRightsopen access
dc.subject.cdu512
dc.subject.ucmÁlgebra
dc.subject.unesco1201 Álgebra
dc.titleA comment concerning cohomology and invariants of Lie algebras with respect to contractions and deformationsen
dc.typejournal article
dc.volume.number362
dspace.entity.typePublication
relation.isAuthorOfPublication72801982-9f3c-4db0-b765-6e7b4aa2221b
relation.isAuthorOfPublication.latestForDiscovery72801982-9f3c-4db0-b765-6e7b4aa2221b

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