Seminars and Colloquia by Series

Series: Other Talks
Wednesday, April 2, 2014 - 19:00 , Location: Clough Undergraduate Learning Center Room 144 , John de Pillis , University of California, Riverside , johndepillis@earthlink.net , Organizer:
Using basic linear algebra as a natural language of special relativity, and assuming very little knowledge of physics, we present a novel linear-algebraic derivation of the Lorentz transformation.  Through the geometry of Minkowski diagrams, we analyze properties and paradoxes of special relativity including the Twin paradox and the bug-rivet paradox.Dr. de Pillis is a renowned cartoonist and animator, and his new book entitled Illustrated Special Relativity Through its Paradoxes is a fusion of Linear Algebra, Graphics, and Reality.
Series: Other Talks
Sunday, March 30, 2014 - 08:30 , Location: Skiles 005 , Southeast Geometry Seminar , School of Mathematics, Georgia Tech , Organizer: John McCuan
The Southeast Geometry Seminar is a series of semiannual one-day events focusing on geometric analysis. These events are hosted in rotation by the following institutions: The University of Alabama at Birmingham, The Georgia Institute of Technology, Emory University, The University of Tennessee Knoxville. The following six speakers will give presentations on topics that include geometric analysis, and related fields, such as partial differential equations, general relativity, and geometric topology: Robert Finn (Stanford University), Bo Guan (Ohio State University), John Harvey (University of Notre Dame), Fernando Schwartz (University of Tennessee), Henry Wente (Toledo, Ohio), Xiangwen Zhang (Columbia University) .
Series: Other Talks
Saturday, February 22, 2014 - 09:00 , Location: Kennesaw State University , Georgia Scientific Computing Symposium , Kennesaw State University , Organizer:

Contact Yuliya Babenko, <a href="mailto:ybabenko@kennesaw.edu">ybabenko@kennesaw.edu</a>

The Georgia Scientific Computing Symposium 2014 will be held at Kennesaw State University (KSU) on Saturday, February 22. It is organized by KSU Departments of Mathematics and Statistics and Computer Science. There will be six plenary talks and a poster session. Graduate students, postdocs, and junior faculty are encouraged to present posters. For complete details and to register, see the symposium website
Series: Other Talks
Saturday, January 25, 2014 - 09:00 , Location: Georgia State University, Room 150, College of Education, 30 Pryor Street, Atlanta, GA , Alexander Schrijver , Centrum Wiskunde & Informatica, Amsterdam , Organizer: Xingxing Yu
Emory University, Georgia Tech and Georgia State University, with support from the National Science Foundation and the National Security Agency, will continue the series of mini-conferences and host a series of 9 new mini-conferences from 2013-2016. The 11th of these mini-conferences will be held at Georgia State University from January 25-26, 2014. The conferences will stress a variety of areas and feature one prominent researcher giving 2 fifty minute lectures and 4 outstanding researchers each giving one fifty minute lecture. There will also be several 25 minute lecturers by younger researchers or graduate students. For more details, see the schedule
Series: Other Talks
Wednesday, November 13, 2013 - 15:00 , Location: Howey N110 , Al Shapere , University of Kentucky , Organizer:

Host: Dan Goldman, Physics

I introduce a class of dynamical systems which exhibit motion in their lowest-energy states and thus spontaneously break time-translation symmetry. Their Lagrangians have nonstandard kinetic terms and their Hamiltonians are multivalued functions of momentum, yet they are perfectly consistent and amenable to quantization. Possible applications to condensed matter systems and cosmology will be discussed.
Series: Other Talks
Sunday, November 10, 2013 - 08:45 , Location: Emory University , Southeast Geometry Seminar , Emory University , Organizer: John McCuan
The Southeast Geometry Seminar is a series of semiannual one-day events focusing on geometric analysis. These events are hosted in rotation by the following institutions: Emory University; Georgia Institute of Technology; University of Alabama at Birmingham; University of Tennessee Knoxville. The following five speakers will give presentations: Alex Freire (University of Tennessee, Knoxville); Matthew Gursky (University of Notre Dame); William Minicozzi II (MIT); Yanir Rubinstein (University of Maryland); Gaoyong Zhang (NYU-Poly). Please email oliker@mathcs.emory.edu if you plan to attend and wish to request support.
Series: Other Talks
Saturday, November 2, 2013 - 09:00 , Location: Emory University, Room W201, Math and Science Center , Dhruv Mubayi , University of Illinois at Chicago , Organizer: Xingxing Yu
Emory University, Georgia Tech and Georgia State University, with support from the National Science Foundation and the National Security Agency, will continue the series of mini-conferences and host a series of 9 new mini-conferences from 2013-2016. The first new and 10th overall of these mini-conferences will be held at Emory University on November 2-3, 2013. The conferences will stress a variety of areas and feature one prominent researcher giving 2 fifty minute lectures and 4 outstanding researchers each giving one fifty minute lecture. There will also be several 25 minute lecturers by younger reseachers or graduate students.
Series: Other Talks
Thursday, September 12, 2013 - 11:05 , Location: Skiles 005 , Doug Ulmer , School of Mathematics, Georgia Tech , Organizer:
Series: Other Talks
Wednesday, August 21, 2013 - 16:30 , Location: Klaus 1116W , Vijay V. Vazirani , School of Computer Science, Georgia Tech , Organizer:

Hosted by School of Computer Science.

Equilibrium computation is among the most significant additions to the theory of algorithms and computational complexity in the last decade - it has its own character, quite distinct from the computability of optimization problems. Our contribution to this evolving theory can be summarized in the following sentence: Natural equilibrium computation problems tend to exhibit striking dichotomies. The dichotomy for Nash equilibrium, showing a qualitative difference between 2-Nash and k- Nash for k > 2, has been known for some time. We establish a dichotomy for market equilibrium. For this purpose. we need to define the notion of Leontief-free functions which help capture the joint utility of a bundle of goods that are substitutes, e.g., bread and bagels. We note that when goods are complements, e.g., bread and butter, the classical Leontief function does a splendid job. Surprisingly enough, for the former case, utility functions had been defined only for special cases in economics, e.g., CES utility function. We were led to our notion from the high vantage point provided by an algorithmic approach to market equilibria. Note: Joint work with Jugal Garg and Ruta Mehta.
Series: Other Talks
Monday, April 29, 2013 - 17:00 , Location: Skiles 006 , Pedro Rangel , Georgia Tech , Organizer: Anton Leykin
(algebraic statistics reading seminar)

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