Topological Invariants of Stratified Spaces

Name: Topological Invariants of Stratified Spaces
SKU: GC-2197311330
Availability: InStock

$35.00

China Internet Development Report 2018: Blue Book of World Internet Conference The homology of manifolds enjoys a remarkable symmetry: Poincar� duality. If the manifold is triangulated, then this duality can be established by associating to a s- plex its dual block in the barycentric subdivision. In a manifold, the dual block is a cell, so the chain complex based on the dual blocks computes the homology of the manifold. Poincar� duality then serves as a cornerstone of manifold classi cation theory. One reason is that it enables the de nition of a fundamental bordism inva- ant, the signature. Classifying manifolds via the surgery program relies on modifying a manifold by executing geometric surgeries. The trace of the surgery is a bordism between the original manifold and the result of surgery. Since the signature is a b- dism invariant, it does not change under surgery and is thus a basic obstruction to performing surgery. Inspired by Hirzebruch�s signature theorem, a method of Thom constructs characteristic homology classes using the bordism invariance of the s- nature. These classes are not in general homotopy invariants and consequently are ne enough to distinguish manifolds within the same homotopy type. Singular spaces do not enjoy Poincar� duality in ordinary homology. After all, the dual blocks are not cells anymore, but cones on spaces that may not be spheres. This book discusses when, and how, the invariants for manifolds described above can be established for singular spaces.Topological Invariants of Stratified Spaces is written by Markus Banagl and published by Springer. ISBNs for Topological Invariants of Stratified Spaces are 9783540385875, 3540385878 and the print ISBNs are 9783540385851, 3540385851.

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China Internet Development Report 2018: Blue Book of World Internet Conference The homology of manifolds enjoys a remarkable symmetry: Poincar� duality.

If the manifold is triangulated, then this duality can be established by associating to a s- plex its dual block in the barycentric subdivision. In a manifold, the dual block is a cell, so the chain complex based on the dual blocks computes the homology of the manifold. Poincar� duality then serves as a cornerstone of manifold classi cation theory. One reason is that it enables the de nition of a fundamental bordism inva- ant, the signature. Classifying manifolds via the surgery program relies on modifying a manifold by executing geometric surgeries. The trace of the surgery is a bordism between the original manifold and the result of surgery. Since the signature is a b- dism invariant, it does not change under surgery and is thus a basic obstruction to performing surgery. Inspired by Hirzebruch�s signature theorem, a method of Thom constructs characteristic homology classes using the bordism invariance of the s- nature. These classes are not in general homotopy invariants and consequently are ne enough to distinguish manifolds within the same homotopy type. Singular spaces do not enjoy Poincar� duality in ordinary homology. After all, the dual blocks are not cells anymore, but cones on spaces that may not be spheres. This book discusses when, and how, the invariants for manifolds described above can be established for singular spaces.Topological Invariants of Stratified Spaces is written by Markus Banagl and published by Springer. ISBNs for Topological Invariants of Stratified Spaces are 9783540385875, 3540385878 and the print ISBNs are 9783540385851, 3540385851.