Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/48639
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dc.contributor.authorSPENKO, Spela-
dc.contributor.authorVAN DEN BERGH, Michel-
dc.date.accessioned2026-02-27T09:37:21Z-
dc.date.available2026-02-27T09:37:21Z-
dc.date.issued2026-
dc.date.submitted2026-02-24T14:51:05Z-
dc.identifier.citationSelecta Mathematica-new Series, 32 (2) (Art N° 19)-
dc.identifier.urihttp://hdl.handle.net/1942/48639-
dc.description.abstractPerverse schobers are categorifications of perverse sheaves. We construct a perverse schober on a partial compactification of the stringy K & auml;hler moduli space (SKMS) associated by Halpern-Leistner and Sam to a quasi-symmetric representation X of a reductive group G, extending the local system of triangulated categories exhibited by them. The triangulated categories appearing in our perverse schober are subcategories of the derived category of the quotient stack X/G.-
dc.description.sponsorshipThe first author is a FWO [PEGASUS Marie Skłodowska-Curie fellow at the Free University of Brussels (funded by the European Union Horizon 2020 research and innovation program under the Marie Skłodowska-Curie grant agreement No 665501 with the Research Foundation Flanders (FWO)). The second author is a senior researcher at the Research Foundation Flanders (FWO). While working on this project he was supported by the FWO grant G0D8616N: “Hochschild cohomology and deformation theory of triangulated categories”.-
dc.language.isoen-
dc.publisherSPRINGER INT PUBL AG-
dc.rightsThe Author(s), under exclusive licence to Springer Nature Switzerland AG 2026-
dc.subject.otherPerverse sheaves-
dc.subject.otherCategorification-
dc.subject.otherGeometric invariant theory-
dc.titleA class of perverse schobers in Geometric Invariant Theory-
dc.typeJournal Contribution-
dc.identifier.issue2-
dc.identifier.volume32-
local.format.pages21-
local.bibliographicCitation.jcatA1-
dc.description.notesSpenko, S (corresponding author), Vrije Univ Brussel, Dept Wiskunde, Pleinlaan 2, B-1050 Elsene, Belgium.-
dc.description.notesspela.spenko@ulb.be; michel.vandenbergh@uhasselt.be-
local.publisher.placeGEWERBESTRASSE 11, CHAM, CH-6330, SWITZERLAND-
local.type.refereedRefereed-
local.type.specifiedArticle-
local.bibliographicCitation.artnr19-
dc.identifier.doi10.1007/s00029-025-01122-w-
dc.identifier.isi001685887200002-
local.provider.typewosris-
local.description.affiliation[Spenko, Spela] Vrije Univ Brussel, Dept Wiskunde, Pleinlaan 2, B-1050 Elsene, Belgium.-
local.description.affiliation[Van den Bergh, Michel] Univ Hasselt, Dept WNI, Univ Campus, B-3590 Diepenbeek, Belgium.-
local.uhasselt.internationalno-
item.fulltextWith Fulltext-
item.contributorSPENKO, Spela-
item.contributorVAN DEN BERGH, Michel-
item.fullcitationSPENKO, Spela & VAN DEN BERGH, Michel (2026) A class of perverse schobers in Geometric Invariant Theory. In: Selecta Mathematica-new Series, 32 (2) (Art N° 19).-
item.accessRightsRestricted Access-
crisitem.journal.issn1022-1824-
crisitem.journal.eissn1420-9020-
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