Math 492 -- Honors Seminar (Spring, 2011)

Text:

Mirrors and Reflections - The Geometry of Finite Reflection Groups
by Alexandre Borovik and Anna Borovik
Springer (Universitext series) ISBN 978-0-387-79065-7

Tentative Syllabus:

Date Speakers Sections Topics
1/20 Robert Wilson 2.2
3.1-3
Isometries of Affine Euclidean Space
Hyperplane Arrangements
1/27 Roe Goodman 4.1-5 Polyhedral Cones
2/03 Itai Feigenbaum
Mark Kim
Ch. 5
6.1-2
Mirrors and Reflections
Systems of Mirrors; Finite Reflection Groups
2/10 Darlayne Addabbo
Diana Oliff
7.1-3 Dihedral Groups
2/17 Emily Sergel
Kristen Lew
8.1-4 Root Systems
2/24 Ken Klose
Hung-Chang Liao
Asya Pritsker
9.1-4 Classical Root Systems
3/03 Emily Sergel
Diana Oliff
Ch. 10
11.1
11.3
Chambers
Generation of W by Simple Reflections
Galleries and Paths
3/10 Darlayne Addabbo
Asya Pritsker
Hung-Chang Liao
11.2
11.4-6
Folding
Simple Transitivity of W on Chambers
3/24 Itai Feigenbaum
Mark Kim
Kristen Lew
12.1-4 Coxeter Complex
Isotropy Groups
3/31 Mark Kim
Kristen Lew
12.5
13.1-6
Parabolic Subgroups
Residues and their Mirror Systems
Convexity and Gate Property of Residues
Opposite Chamber of a Residue
4/07 Emily Sergel
Ken Klose
15.1-2
16.1
16.2
Generators and Relations for Reflection Groups
Coxeter Graph
Decomposible Reflection Groups
4/14 Darlayne Addabbo
Ken Klose
16.3-4 Classification of Positive Definite Coxeter Graphs
4/21 Hung-Chang Liao
Diana Oliff
17.1-9 Construction of A-G Root Systems
4/28 Asya Pritsker
Itai Feigenbaum
17.10
Ch. 18
Crystallographic Condition
Orders of Reflection Groups

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Roe Goodman / goodman "at" math "dot" rutgers "dot" edu / Revised March 18, 2011