Department of Mathematics

Columbian College of Arts & Sciences

All Seminars & Colloquia

Graduate Student Seminar

Friday, 3/29/2019, 6:00pm - 11:59pm

Speakers: Jozef Przytycki, Alexander Shumakovitch, GWU
Date and Time: Friday, March 29, 2-3PM
Place: Rome Hall (801 22nd Street), Room 206
 
Abstract: Professors  Jozef Przytycki and Alexander Shumakovitch will each give half hour talks about their research interests intended to give graduate students thoughts about for future areas of research.

 

University Seminar: Logic Across Disciplines- The Rigour of Proof 

Friday, 3/29/2019, 4:00pm - 11:59pm

Title: The Rigour of Proof
Speaker:  Michele Friend, Philosophy Department, GWU, https://philosophy.columbian.gwu.edu/michele-friend

Dynamical Systems Seminar-Billiards in polygons and related dynamical systems

Friday, 3/29/2019, 1:00pm - 11:59pm

Title: Billiards in polygons and related dynamical systems
Speaker: Robbie Robinson, GWU
Date and Time: Friday, March 29, 9:00 to 10:15
Place:  Phillips 736

Abstract: We will continue our discussion about the dynamics of billiards in rational polygons and related dynamical systems. 

Combinatorics Seminar- Quadrangulated Immersions of Cubic Graphs in the Sphere

Thursday, 3/28/2019, 8:00pm - 11:59pm

Title: Quadrangulated Immersions of Cubic Graphs in the Sphere
Speaker: Lowell Abrams, GWU
Date and time: Thursday, March 28, 4–5pm
Place: Rome 352

Graduate Student Seminar: “Gram determinants motivated by Knot Theory”

Friday, 3/22/2019, 6:00pm - 11:59pm

Title: “Gram determinants motivated by Knot Theory”

Dynamical Systems Seminar: Invariant measures, matching and the frequency of 0 for sighted binary expansions

Friday, 3/22/2019, 1:00pm - 11:59pm

Title: Invariant measures, matching and the frequency of 0 for sighted binary expansions.
Speaker: Karma Dajani, University of Utrecht, The Netherlands
Date and Time: Friday, March 22, 9:00 to 10:15
Place:  Phillips 736

Abstract: Abstract: We introduce a parametrized family of maps S_\alpha, the so called symmetric doubling maps, defined on [-1,1] by S(x) = 2x-d\alpha, where d\in{-1,0,1} and \alpha\in [1,2].

Combinatorics Seminar-Quadrangulated Immersions of Cubic Graphs in the Sphere

Thursday, 3/7/2019, 9:00pm - 11:59pm

Title: Quadrangulated Immersions of Cubic Graphs in the Sphere
Speaker: Lowell Abrams, GWU
Date and time: Thursday, March 7, 4–5pm
Place: Rome 352

Applied Mathematics Seminar-The Mathematical Structure of Diabetes on a Slow Manifold

Monday, 3/4/2019, 9:00pm - 11:59pm

Title: The Mathematical Structure of Diabetes on a Slow Manifold 
Speaker: Dr. Joon Ha
Affiliation: NIH and GWU
Date and Time:Monday, March 4, 4:00pm-5:00pm
Place: Rome 730

Graduate Student Seminar- Index sets, decision problems, and classes of (somewhat) computable groups

Friday, 3/1/2019, 7:00pm - 11:59pm

Title:Index sets, decision problems, and classes of (somewhat) computable groups

Dynamical Systems Seminar- Billiards in Polygons and related dynamical systems

Friday, 3/1/2019, 2:00pm - 11:59pm

Title: Billiards in Polygons and related dynamical systems
Speaker: Robbie Robinson & participants
Date and Time: Friday, March 1st, 9:00–10:15am(or so)
Place:  Phillips 736

Abstract: We will continue our discussion about the dynamics of billiards in rational polygons. We will discuss and compare to related dynamical systems: rotations, interval exchange transformations, substitutions and geodesic flows on polygons.