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Twisted differential
generalized cohomology theories and their Atiyah–Hirzebruch
spectral sequence
Daniel Grady and Hisham Sati |
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Algebraic & Geometric Topology 19 (2019) 2899–2960
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Abstract |
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We construct the Atiyah–Hirzebruch spectral sequence (AHSS) for twisted differential generalized cohomology theories. This generalizes to the twisted setting the authors’ corresponding earlier construction for differential cohomology theories, as well as to the differential setting the AHSS for twisted generalized cohomology theories, including that of twisted –theory by Rosenberg and by Atiyah and Segal. In describing twisted differential spectra we build on the work of Bunke and Nikolaus, but we find it useful for our purposes to take an approach that highlights direct analogies with classical bundles and that is at the same time amenable for calculations. We will, in particular, establish that twisted differential spectra are bundles of spectra equipped with a flat connection. Our prominent case will be twisted differential –theory, for which we work out the differentials in detail. This involves differential refinements of primary and secondary cohomology operations the authors developed in earlier papers. We illustrate our constructions and computational tools with examples. |
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Keywords
differential cohomology, twisted cohomology, twisted
spectra, twisted $K$–theory, Atiyah–Hirzebruch spectral
sequence, generalized cohomology, gerbes
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Mathematical Subject Classification 2010
Primary: 19L50, 53C05, 55R20, 55T25, 57R19
Secondary: 14A20, 55S05, 55S20
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References |
Publication
Received: 29 November 2017
Revised: 6 December 2018
Accepted: 7 January 2019
Published: 20 October 2019
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Authors |
| Daniel Grady | |
| Division of Science and
Mathematics New York University Saadiyat Island Abu Dhabi United Arab Emirates |
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| Hisham Sati | |
| Division of Science and
Mathematics New York University Saadiyat Island Abu Dhabi United Arab Emirates |
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