The central theme of this book is the restoration of Poincare duality on stratified singular spaces by using Verdier-self-dual sheaves such as the prototypical intersection chain sheaf on a complex variety. Highlights include complete and detailed proofs of decomposition theorems for self-dual sheaves, explanation of methods for computing twisted characteristic classes and an introduction to the author's theory of n-Witt spaces and Lagrangian structures.
EMPLOYMENT: Since 2004: Professor at the Ruprecht-Karls-Universitat Heidelberg, Germany 2002 - 2004: Assistant Professor (tenure track) at the University of Cincinnati, USA 1999 - 2002: Van Vleck Assistant Professor at the University of Wisconsin - Madison, USA EDUCATION: Ph.D. Mathematics, Courant Institute (New York University), May 1999. Field: Topology. Dissertation Title: Extending Intersection Homology Type Invariants to non-Witt Spaces. RESEARCH AREA: Algebraic and Geometric Topology, Stratified Spaces.
Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
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Springer Monographs in Mathematics
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Springer-Verlag Berlin and Heidelberg GmbH & Co. K