Skip to content

Seminars and Colloquiums
for the week of February 6, 2017


SPEAKER:

Thomas Weighill, UTK, Monday
Xiaoyang Pan, UTK, Monday
Xia Chen, UTK, Tuesday
Stefan Richter, UTK, Wednesday


TEA TIME -
3:00 pm – 3:30 pm
Monday, Tuesday, Wednesday
Tuesday Room: Ayres 401

Hosted by: Jennifer Fowler and John Long


Monday, February 6th

TOPOLOGY/GEOMETRY SEMINAR
TITLE: Coarse neighbourhoods and hybrid large scale normal spaces
SPEAKER: Thomas Weighill, UTK
TIME: 2:30pm – 3:20pm
ROOM: Ayres 113
We introduce the notion of (hybrid) large scale normal space and prove analogues of Urysohn's Lemma and the Tietze Extension Theorem for these spaces, where continuous maps are replaced by (continuous and) slowly oscillating maps. To do so, we first prove a general form of each of these results in the context of a set equipped with a neighbourhood operator satisfying certain axioms, of which the classical topological results are a special case. We then introduce the notion of coarse neighbourhood, which allows us to obtain the results for (hybrid) large scale spaces as another special case of the general result. In a subsequent talk, we will look at some examples and properties of hybrid large scale normal spaces, as well as some applications to the Higson corona. This is joint work with J. Dydak.

ORAL SPECIALTY EXAMINATION
SPEAKER: Xiaoyang Pan, UTK
TIME: 3:30pm
ROOM: Ayres 111
His committee consist of Professors: Maroulas (chair), Rosinski, Salgado, Djouadi (EECS), and Law (UTK/ORNL)


Tuesday, February 7th

STOCHASTICS/ PROBABILITY SEMINAR
TITLE: Laplace and Fourier transforms in the moment computations, Part 3
SPEAKER: Xia Chen, UTK
TIME: 2:10pm – 3:25pm
ROOM: Ayres 113
In probability textbooks, the Laplace and Fourier transforms (or moment generating/characteristic functions in probability literature) are introduced for their role in transforming convolution into product. In this talk, we will further explore this elementary idea and illustrate several examples of their applications in the moment computations for the Brownian Hamiltonians. The nature of this talk is on the tool-development instead of result-introduction, in spite that some of the examples come from the speaker's on-going research project.


Wednesday, February 8th

ANALYSIS SEMINAR
TITLE: Interpolating sequences for multiplier algebras, Part 4
SPEAKER: Stefan Richter, UTK
TIME: 2:30pm-3:20pm
ROOM: Ayres 113
Interpolating sequences for the algebra of bounded analytic functions on the open unit disc were characterized by Carleson in 1958. Marshall/Sundberg and Bishop proved an analogous theorem for the multipliers of the Dirichlet space in 1994. By use of the recent solution to the Kadison-Singer problem by Marcus, Spielman, and Srivastava we show that the theorem holds for all spaces with complete Pick kernel.

 


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 colloquium AT math DOT utk DOT edu


Past notices:

1_30_17.html

1_23_17.html

1_16_17.html

Winter Break

11_28_16.html

11_21_16.html

11_14_16.html

11_7_16.html

10_31_16.html

10_24_16.html

10_17_16.html

10_10_16.html

10_3_16.html

9_26_16.html

9_19_16.html

9_12_15.html

spring_16.html

fall_15.html

 

last updated: February 2017

The flagship campus of the University of Tennessee System and partner in the Tennessee Transfer Pathway.