Seminars and Colloquiums
for the week of March 26, 2012
Speaker:
Dr. Andrew Kanarek, NIMBioS postdoc, Monday
Mr. Jesse Smith, Monday
Mr. Kirill Yakovlev, Tuesday
Mr. Zhiqiang Li, Wednesday
Dr. Martene Fair, Tennessee State University, Wednesday
Prof. Elton Hsu, Northwestern University, Friday -- CANCELED
If you are interested in giving or arranging a talk for one of our seminars or colloquiums,
please review our calendar.
If you have questions, or a date you would like to confirm, please contact Dr. Judy Day.
Monday, March 26
MATH BIOLOGY SEMINAR
TIME: 2:30 - 3:20 p.m.
ROOM: Ayres 121
SPEAKER: Dr. Andrew Kanarek, NIMBioS postdoc
TITLE: Introduction and Overview on Agent-based Models
ALGEBRA SEMINAR
TIME: 3:35 - 4:25 p.m.
ROOM: Ayres B013
SPEAKER: Mr. Jesse Smith
TITLE:
The talk will continue with Zero-dimensional commutative rings - III
Tuesday, March 27
DOCTORAL DEFENSE
TIME: 3:00 p.m.
ROOM: Ayres 122
SPEAKER: Mr. Kirill Yakovlev
TITLE: Stochastic Optimal Control and Forward-Backward Systems of Stochastic Differential Equations. Solvability and Applications. His committee consists of Professors: Xiong (chair), Collins, Lenhart, and Daves (Finance ).
Wednesday, March 28
DOCTORAL DEFENSE
TIME: 10:10 a.m.
ROOM: Ayres 406
SPEAKER: Mr. Zhiquiang Li
TITLE: Stability of nonlinear filters and branching particle approximations to the filtering problem His committee consists of Professors: Xiong (chair), Chen, Rosinski, and Younger (Statistics ).
SIAM Student Chapter and APPLIED MATH SEMINAR
TIME: 3:35 – 4:25 pm
ROOM: Ayres 405
SPEAKER: Dr. Martene Fair, Tennessee State University
TITLE: Detecting Multiple Concurrent Incipient Faults, An Active Approach
ABSTRACT: The problem of actively detecting small parameter variations in linear uncertain systems
due to incipient (slowly developing) faults is examined using an input signal to enhance detection.
Most previous studies assume that there is only one fault developing at a given time. Recently an
active approach for two or more simultaneous faults has been introduced for the discrete time case.
In this presentation this approach is extended to the continuous time case. A computational method
for construction of an input signal for achieving guaranteed detection with specified precision is presented. The method is an extension of a multi-model approach used for construction of auxiliary signals for failure detection; however, new technical issues must be addressed.
Pizza served before at 3:20.
Friday, March 30
** CANCELED ** COLLOQUIUM
TIME: 3:35 – 4:25 pm
ROOM: Ayres 123
SPEAKER: Prof. Elton Hsu, Northwestern University
TITLE: Analysis and Geometry of the Path and Loop Space over a Riemannian Manifold
ABSTRACT: The path space over a Riemannian manifold is the space of continuous maps from the unit interval to the manifold. The loop space is the subspace of the path space consisting of those paths which return to the starting point at the terminal time. These are typical nontrivial infinite dimensional manifolds. We will show how to introduce natural concepts of volume measure, gradient, and a Hilbert structure on its tangent spaces. Under this basic setting we can study analytic and geometric properties of the path and loop spaces centered around the so-called Ornstein-Uhlenbeck operator, the ounterpart of the Laplace-Beltrami operator in the current context. We will give a survey of some basic results in this direction and state several interesting open problems for further research. The talk should be accessible to the general audience with a good grasp of first year graduate level measure theory and functional analysis.
Refreshments will be available in Ayres 401 at 3:15 p.m.
Past notices:
March 19, 2012 - spring break
winter break
Seminars from 2010-2011 academic year
Seminars from 2009-2010 academic year
Seminars from 2008-2009 academic year
Seminars from 2007-2008 academic year
Seminars from 2006-2007 academic year