Intersection Spaces, Spatial Homology Truncation, and String (BOK)

Markus Banagl

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Intersection cohomology assigns groups which satisfy a generalized form of Poincare duality over the rationals to a stratified singular space. This monograph introduces a method that assigns to certain classes of stratified spaces cell complexes, called intersection spaces, whose ordinary rational homology satisfies generalized Poincare duality. The cornerstone of the method is a process of spatial homology truncation, whose functoriality properties are analyzed in detail. The material on truncation is autonomous and may be of independent interest tohomotopy theorists. The cohomology of intersection spaces is not isomorphic to intersection cohomology and possesses algebraic features such as perversity-internal cup-products and cohomology operations that are not generally available for intersection cohomology. A mirror-symmetric interpretation, as well as applications to string theory concerning massless D-branes arising in type IIB theory during a Calabi-Yau conifold transition, are discussed.


Språk Engelsk Engelsk Innbinding Heftet
Utgitt 2010 Forfatter Markus Banagl
ISBN 9783642125881
Antall sider 235 Dimensjoner 15,7cm x 23,5cm x 1,3cm
Vekt 366 gram Leverandør Bertram Trading Ltd