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Events for February 16, 2010
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E-Week Carnival Kick-Off
Tue, Feb 16, 2010
Viterbi School of Engineering Student Organizations
University Calendar
Celebrate the start of E-week with a wacky Tuesday afternoon of fun and food! Join in with friends, classmates, and faculty in events like Concrete Bowling, Wii gaming, and the ever popular Professor Pie Toss! This is a great time to meet new friends, check out engineering organizations, interact with faculty, and best of all, celebrate engineering!
Audiences: Everyone Is Invited
Contact: E-WEEK 2010
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Regularisation in Multimodality Optical Tomography
Tue, Feb 16, 2010 @ 10:00 AM - 11:30 AM
Ming Hsieh Department of Electrical and Computer Engineering
Conferences, Lectures, & Seminars
Speaker: Professor Simon Arridge,
Centre for Medical Image Computing,
University College LondonAbstract: Optical Tomography in highly scattering media is non-linear and severely ill-posed. An increasingly widely used approach for image reconstruction is a parameter estimation method based on optimisation of a likelihood function. These kinds of problems always require regularization, which most generally should be interpreted in terms of Bayesian prior term.In this talk I will describe different regularisation techniques incorporating structural and statistical information. An emphasis will be placed on cross-constraints with an auxiliary image representing a multimodality approach.Hosted by Professor Richard LeahyLocation: Hughes Aircraft Electrical Engineering Center (EEB) - 248
Audiences: Everyone Is Invited
Contact: Talyia Veal
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IEEE Annual Professor Pie Toss
Tue, Feb 16, 2010 @ 11:00 AM - 04:00 PM
Viterbi School of Engineering Student Organizations
Student Activity
Join IEEE as we throw pies at our favorite professors! All proceeds go to charity.
Location: E-Quad
Audiences: Everyone Is Invited
Contact: Institute of Electrical and Electronics Engin
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CS Colloq: Dr. Xi Chen
Tue, Feb 16, 2010 @ 03:30 PM - 05:00 PM
Thomas Lord Department of Computer Science
Conferences, Lectures, & Seminars
Talk Title: From Two-Player Games to Markets: On the Computation of Equilibria
Speaker: Xi Chen
Host: Prof. David KempeAbstract:
Recently, there has been tremendous interest in the study of Algorithmic Game Theory. This is a rapidly growing area that lies at the intersection of Computer Science, Game Theory, and Mathematical Economics, mainly due to the presence of selfish agents in highly decentralized systems, the Internet in particular. The computation of Nash equilibria in games and the computation of Market equilibria in exchange markets have received great attention.
Both problems have a long intellectual history. In 1950, Nash showed that every game has an equilibrium. In 1954, Arrow and Debreu showed that under very mild conditions, every market has an equilibrium. While games and Nash equilibria are used to predict the behavior of selfish agents in conflicting situations, the study of markets and market equilibria laid down the foundation of competitive pricing. Other than the fact that both existence proofs heavily rely on fixed point theorems, the two models look very different from each other.
In this talk, we will review some of the results that characterize how difficult it is to compute or to approximate Nash equilibria in two-player games. We will then show how these results also advanced our understanding about market equilibria.
No prior knowledge of Game Theory will be assumed for this talk.Bio:
Dr. Xi Chen received his B.S. degree in Physics from Tsinghua University in 2003 and his Ph.D. in Computer Science from Professor Andrew Chi-Chih Yao's Institute for Theoretical Computer Science at Tsinghua University in 2007. He then became a postdoctoral researcher at the Institute for Advanced Study, hosted by Professor Avi Wigderson. Last year, he was a postdoctoral researcher at Princeton University, hosted by Professor Sanjeev Arora, and this year he is hosted by Professor Shang-Hua Teng at University of Southern California.The research interests of Dr. Chen lie mainly in Algorithmic
Game Theory and Complexity Theory. He is particularly interested in characterizing the intrinsic difficulties of natural and fundamental problems that arise in the game-theoretic study of Internet and e-commerce. His Ph.D. thesis titled "The Complexity of Two-Player Nash Equilibria" won the Silver prize of the New World Mathematics Award, presented by the International Congress of Chinese Mathematicians every three years. He also won the best paper awards of the 47th IEEE Symposium on Foundations of Computer Science and the 20th International Symposium on Algorithms and Computation.
Location: Seaver Science Library (SSL) - 150
Audiences: Everyone Is Invited
Contact: CS Front Desk
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Microsoft Tech Talk
Tue, Feb 16, 2010 @ 05:30 PM - 06:30 PM
Viterbi School of Engineering Career Connections
Workshops & Infosessions
Join representatives of this company as they share general company information and available opportunities.
Location: Seeley G. Mudd Building (SGM) - 124
Audiences: All Viterbi Students
Contact: RTH 218 Viterbi Career Services
