Buildings and Classical Groups

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Syllabus

Date Sections Topics
4 Jan 1.1 - 1.3 Coxeter Groups and Geometric Realization
6 Jan 1.4 Roots
8 Jan 1.5 - 1.6 Generalized reflections
11 Jan 1.7 - 1.8Exchange and Deletion conditions, Bruhat order
13 Jan 1.8Bruhat order
15 Jan 1.9Special subgroups of Coxeter groups
18 Jan No classMartin Luther King day
20 Jan 3.1Chamber Complexes
22 Jan 3.1, 3.2Chamber complexes
25 Jan 3.3Foldings, walls, reflections
27 Jan 3.3, 3.4Coxeter complexes
29 Jan 3.4Coxeter complexes
1 Feb 3.5Characterization of Coxeter complexes via foldings
3 Feb 3.5Characterization of Coxeter complexes via foldings
5 Feb 3.5, 3.6Finishing Tits's proof and Deletion Condition in Chamber Complexes
8 Feb  Definition of a building
10 Feb  Labelability and links
12 Feb  Retracts and distances
15 Feb  Strongly transitive automorphism groups
17 Feb  Example: GL_3 and the chamber system associated to a building
19 Feb  Stabilizers and the Bruhat decomposition
22 Feb  BN-pairs and special subgroups
24 Feb  The building associated to a BN-pair
26 Feb  Example: GL_n
1 Mar  Example: Sp_n
3 Mar  Example: SL_n over a field with a discrete valuation
5 Mar  Example: SL_n over a field with a discrete valuation
8 Mar  Hecke Operators on buildings

Last modified by T. R. Shemanske on 9 March 1999
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