Characteristic cycles and Gevrey series solutions of   A  -hypergeometric systems

Berkesch, Christine; Fernández Fernández, María Cruz

doi:10.2140/ant.2020.14.323

Artículo

dc.creator	Berkesch, Christine	es
dc.creator	Fernández Fernández, María Cruz	es
dc.date.accessioned	2022-11-08T11:11:52Z
dc.date.available	2022-11-08T11:11:52Z
dc.date.issued	2020-03-17
dc.identifier.citation	Berkesch, C. y Fernández Fernández, M.C. (2020). Characteristic cycles and Gevrey series solutions of A -hypergeometric systems. Algebra & Number Theory, 14 (2), 323-347. https://doi.org/10.2140/ant.2020.14.323.
dc.identifier.issn	1937-0652	es
dc.identifier.issn	1944-7833	es
dc.identifier.uri	https://hdl.handle.net/11441/139111
dc.description.abstract	We compute the L -characteristic cycle of an A -hypergeometric system and higher Euler–Koszul homology modules of the toric ring. We also prove upper semicontinuity results about the multiplicities in these cycles and apply our results to analyze the behavior of Gevrey solution spaces of the system.	es
dc.format	application/pdf	es
dc.format.extent	24 p.	es
dc.language.iso	eng	es
dc.publisher	Mathematical Sciences Publishers	es
dc.relation.ispartof	Algebra & Number Theory, 14 (2), 323-347.
dc.rights	Attribution-NonCommercial-NoDerivatives 4.0 Internacional	*
dc.rights.uri	http://creativecommons.org/licenses/by-nc-nd/4.0/	*
dc.subject	A -hypergeometric system	es
dc.subject	toric ring	es
dc.subject	D -module	es
dc.subject	characteristic cycle	es
dc.subject	irregularity sheaf	es
dc.subject	Gevrey series	es
dc.title	Characteristic cycles and Gevrey series solutions of A -hypergeometric systems	es
dc.type	info:eu-repo/semantics/article	es
dcterms.identifier	https://ror.org/03yxnpp24
dc.type.version	info:eu-repo/semantics/publishedVersion	es
dc.rights.accessRights	info:eu-repo/semantics/openAccess	es
dc.contributor.affiliation	Universidad de Sevilla. Departamento de álgebra	es
dc.relation.publisherversion	https://dx.doi.org/10.2140/ant.2020.14.323	es
dc.identifier.doi	10.2140/ant.2020.14.323	es
dc.contributor.group	Universidad de Sevilla. FQM218: Singularidades, Geometría Algebraica Aritmética, Grupos y Homotopía	es
dc.journaltitle	Algebra & Number Theory	es
dc.publication.volumen	14	es
dc.publication.issue	2	es
dc.publication.initialPage	323	es
dc.publication.endPage	347	es

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