CMU Geometry Seminar Timetable
Table of Contents
Upcoming Seminars
None scheduled
Previous Seminars
Friday 28 October 2011
| Speaker | Pete Vermeire |
| Central Michigan University | |
| Title | Geometry of projective varieties II. |
| Location | PE 302 |
| Time | 1000-1050 |
Friday 21 October 2011
| Speaker | Pete Vermeire |
| Central Michigan University | |
| Title | Geometry of projective varieties I. |
| Location | PE 302 |
| Time | 1000-1050 |
Friday 07 October 2011
| Speaker | Lisa DeMeyer |
| Central Michigan University | |
| Title | Geometry of Nilmanifolds |
| Abstract | See last week. |
| Location | PE 302 |
| Time | 1000-1050 |
Friday 30 September 2011
| Speaker | Lisa DeMeyer |
| Central Michigan University | |
| Title | Geometry of Nilmanifolds |
| Abstract | Two-step nilpotent Lie groups admit many interesting geometric properties when equipped with a left invariant metric. This talk will focus on geodesic properties of both nilpotent Lie groups and their quotients by a lattice. We will discuss the length spectrum of these quotients, including results of Eberlein and Gornet-Mast. |
| Location | PE 302 |
| Time | 1000-1050 |
Friday 23 September 2011
| Speaker | Meera Mainkar |
| Central Michigan University | |
| Title | Anosov Automorphisms on Nilmanifolds |
| Abstract | Nilmanifolds admitting Anosov automorphisms play an important role in the theory of dynamical systems. We will discuss a combinatorial method using graphs of constructing nilmanifolds admitting Anosov automorphisms. |
| We will also describe some recent examples constructed using algebraic number theory. | |
| Location | PE 302 |
| Time | 1000-1050 |
Friday 16 September 2011
| Speaker | Brad Safnuk |
| Central Michigan University | |
| Title | An introduction to topological recursion (cont'd) |
| Abstract | See last week. |
| Location | PE 302 |
| Time | 1000-1050 |
Friday 09 September 2011
| Speaker | Brad Safnuk |
| Central Michigan University | |
| Title | An introduction to topological recursion |
| Abstract | As indicated in the title, my aim is to describe the theory of topological recursion, as developed by Eynard and Orantin. I will show that starting from a deceptively simple set of initial conditions, and using relatively basic residue calculus, one can construct infinite families of invariants which originate from a broad array of mathematics (including combinatorics, enumerative geometry, random matrix theory, and knot theory). |
| Location | PE 302 |
| Time | 1000-1050 |
| URLs | 1. Foundational paper by Eynard and Orantin - contains definition of topological recursion, proves main properties, has many examples. |
| 2. Detailed study of the Airy curve | |
| 3. Detailed study of the Lambert curve (counts simple Hurwitz numbers) |
Friday 02 September 2011
| Speaker | Leo Butler |
| Central Michigan University | |
| Title | Smooth obstructions to complete integrability, II |
| Abstract | See last week. |
| Location | PE 302 |
| Time | 1000-1050 |
Friday 26 August 2011
| Speaker | Leo Butler |
| Central Michigan University | |
| Title | Smooth obstructions to complete integrability |
| Abstract | It is a remarkable fact, discovered by Milnor, that a single manifold may possess non-diffeomorphic smooth structures. In classical mechanics, a smooth manifold is the configuration space of a mechanical system. I will talk about work that shows that the smooth structure may prevent the complete integrability of such mechanical systems. |
| Location | PE 302 |
| Time | 1000-1050 |
| URL | ArXiV preprint |
Date: Time-stamp: <02-11-2011 12:45:54 /home/lbutler/org/geometry-seminar/index.org>
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