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                                                         Seminar
             Department of Systems Engineering and Engineering Management
                                  The Chinese University of Hong Kong

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Title

:

Accuracy Certificates for Computational Problems with Convex Structures

 

 

 

Speaker

:

Prof. Uriel G. Rothblum

 

 

Faculty of Industrial Engineering and Management

 

 

Technion, Haifa, Israel

 

 

 

Date

:

July 27th, 2007 (Friday)

 

 

 

Time

:

4:30 p.m. - 5:30 p.m.

 

 

 

Venue

:

Room 513

 

 

William M.W. Mong Engineering Building

 

 

(Engineering Building Complex Phase 2)

 

 

CUHK

 

 

 

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Abstract:
 

In this paper we introduce the notion of certificates for approximate solutions of various computational problems in convex structure, including the minimization of a convex function over a solid, the solution of variational inequalities, the determination of a Nash equilibrium and the identification of saddle points of convex-concave functions. We show that these certificates can be used to efficiently convince an external person that a solution at hand satisfies desired properties to prescribed accuracy. We also show how the Ellipsoid method can be implemented in a way that will produce solutions to the above problem along with accuracy certificates.


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Biography:
 

Prof. Uriel G. Rothblum, obtained his PhD from Stanford, is a Professor in Faculty of Industrial Engineering and Management, Technion, Haifa, Israel, INFORMS Fellow (elected 2003), and President of the Operations Research Society of Israel (ORSIS).  His main research interests include Optimization, game theory, linear models, applied probability and mathematical economics, and has published over 140 peer-reviewed journal papers.

 

Prof. Rothblum received Operations Research Society of Israel (ORSIS) Award for Best Paper in 2005, Operations Research Meritorious Service Award in 1997 and 1999, New England Academic Excellence Award in 1989, Junior Faculty Research Fellowship awarded by Yale College in 1978-1979.

 

Prof. Rothblum serves in many editor boards including Mathematics of Operations Research, Linear Algebra and Its Applications, Operations Research, SIAM Journal on Matrix Analysis and Applications, SIAM Journal on Algebraic and Discrete Methods, and Letters in Linear Algebra and Its Application.  He was Editor of special issue honoring Alan Hoffman.

 

Prof. Rothblum worked at Yale University, had visiting academic positions at Stanford University, Rutgers University, SUNY at Stony Brook, Chiao-Tung University in Taiwan, Delf University in the Netherlands, and consulting positions at Rand Corporation, Santa Monica, CA, AT&T Bell Laboratories, Murray Hill, NJ.


************************* ALL ARE WELCOME ************************

 

 

 

Host

:

Prof. David D. Yao

Tel

:

(852) 2609-8308

Email

:

yao@se.cuhk.edu.hk  

 

 

 

Enquiries

:

Lu Qin or Jeffrey Xu Yu

 

:

Department of Systems Engineering and Engineering Management

 

 

CUHK

Website

:

http://www.se.cuhk.edu.hk/~seg5810

Email

:

seg5810@se.cuhk.edu.hk

 

 

 

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