WS 21

Seminar Topology
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Topic ELLIPTIC GENERA OF SMOOTH MANIFOLDS.
Registration per MÜSLI.

Date: Topics: Status:
21.4.22 Introduction Reserved
28.4.22 1.1, 1.2, 1.3, 1.4 (Cobordism, char. classes) Reserved
5.5.22 1.5, 1.6, 1.7 (Representations, mult. sequences, genera) Reserved
12.5.22 1.8, 2.1, 2.2 (Complex and elliptic genera) Reserved
19.5.22 3.1, 3.2, 4.1 (Virtual submanifolds, universal genus, signature and L-genus) Reserved
2.6.22 4.2, 4.3, 4.4 (vertical tangent bundle, multiplicativity in fiber bundles, splitting principle) Reserved
9.6.22 4.5, 4.6, 5.1 (integration along the fiber, multiplicativity, elliptic operators) Reserved
23.6.22 5.2, 5.3, 5.4, 5.5 (Atiyah-Singer index theorem, de Rham and Dolbeault complex, signature as index) Reserved
30.6.22 5.6, 5.7, 5.8 (Equivariant index, circle actions) Reserved
7.7.22 Appendix I.1, 6.1 augmented by material from App. I (Modular form theory, elliptic genera after Witten) Reserved
21.7.22 6.2, 6.3 (Expansion at cusp 0, twisted A^-genus, Witten genus) Reserved
28.7.22 6.3, 6.4, (6.5 time permitting) (Witten genus and the Lie group E_8) Available

Literature: F. Hirzebruch, T. Berger, R. Jung, Manifolds and Modular Forms, 2nd edition, Aspects of Math., Max Planck Institut für Mathematik Bonn, Springer Fachmedien Wiesbaden 1994.