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Hodge theory on Cheeger spaces
- Source :
- Journal für die reine und angewandte Mathematik (Crelles Journal). 2018:29-102
- Publication Year :
- 2016
- Publisher :
- Walter de Gruyter GmbH, 2016.
-
Abstract
- We extend the study of the de Rham operator with ideal boundary conditions from the case of isolated conic singularities, as analyzed by Cheeger, to the case of arbitrary stratified pseudomanifolds. We introduce a class of ideal boundary operators and the notion of mezzoperversity, which intermediates between the standard lower and upper middle perversities in intersection theory, as interpreted in this de Rham setting, and show that the de Rham operator with these boundary conditions is Fredholm and has compact resolvent. We also prove an isomorphism between the resulting Hodge and L2 de Rham cohomology groups, and that these are independent of the choice of iterated edge metric. On spaces which admit ideal boundary conditions of this type which are also self-dual, which we call `Cheeger spaces', we show that these Hodge/de Rham cohomology groups satisfy Poincare Duality.<br />v2: Slight changes to improve exposition, v3: Improved discussion of core domain, to appear in Crelle's journal
- Subjects :
- Mathematics - Differential Geometry
medicine.medical_specialty
Pure mathematics
General Mathematics
Boundary (topology)
Mathematics::Algebraic Topology
01 natural sciences
Mathematics - Geometric Topology
symbols.namesake
Mathematics::Algebraic Geometry
Mathematics::K-Theory and Homology
0103 physical sciences
FOS: Mathematics
medicine
De Rham cohomology
Ideal (order theory)
Boundary value problem
0101 mathematics
Poincaré duality
Mathematics
Intersection theory
58A14, 58A35, 58A12
Applied Mathematics
Hodge theory
010102 general mathematics
Geometric Topology (math.GT)
K-Theory and Homology (math.KT)
Stratified spaces
signature operator
Differential Geometry (math.DG)
Mathematics - K-Theory and Homology
symbols
010307 mathematical physics
Isomorphism
Subjects
Details
- ISSN :
- 14355345 and 00754102
- Volume :
- 2018
- Database :
- OpenAIRE
- Journal :
- Journal für die reine und angewandte Mathematik (Crelles Journal)
- Accession number :
- edsair.doi.dedup.....273743e33dc1b44f39a56df51c0c96eb