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Conference Paper: Quiver invariants and orientifolds

TitleQuiver invariants and orientifolds
Authors
Young, MB
Issue Date2014
PublisherInstitute for Mathematical Sciences, National University of Singapore.
Citation
The Geometry, Topology and Physics of Moduli Spaces of Higgs Bundles, Singapore, 7 July-29 August 2014 How to Cite?
AbstractWe study self-dual representations of a quiver. These differ from ordinary representations by having classical groups, instead of general linear groups, as symmetries. We compute counting functions for the stack of semistable self-dual representations and describe their wall-crossing under changes in stability. The observed behaviour is consistent with formulas appearing in the physics literature on BPS state counting in the presence of an orientifold. Our primary tool is a representation of the Hall algebra which is a mathematical model for the space of BPS states in an orientifold theory.
Persistent Identifierhttp://hdl.handle.net/10722/255657

 

DC FieldValueLanguage
dc.contributor.authorYoung, MB-
dc.date.accessioned2018-07-10T07:59:54Z-
dc.date.available2018-07-10T07:59:54Z-
dc.date.issued2014-
dc.identifier.citationThe Geometry, Topology and Physics of Moduli Spaces of Higgs Bundles, Singapore, 7 July-29 August 2014-
dc.identifier.urihttp://hdl.handle.net/10722/255657-
dc.description.abstractWe study self-dual representations of a quiver. These differ from ordinary representations by having classical groups, instead of general linear groups, as symmetries. We compute counting functions for the stack of semistable self-dual representations and describe their wall-crossing under changes in stability. The observed behaviour is consistent with formulas appearing in the physics literature on BPS state counting in the presence of an orientifold. Our primary tool is a representation of the Hall algebra which is a mathematical model for the space of BPS states in an orientifold theory.-
dc.languageeng-
dc.publisherInstitute for Mathematical Sciences, National University of Singapore. -
dc.relation.ispartofThe Geometry, Topology and Physics of Moduli Spaces of Higgs Bundles-
dc.titleQuiver invariants and orientifolds-
dc.typeConference_Paper-
dc.identifier.emailYoung, MB: mbyoung@hku.hk-
dc.identifier.hkuros235640-
dc.publisher.placeSingapore-

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