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Colloquia

Jerzy Weyman

From quiver representations to cluster algebras

Weyman got his Ph.D. in Mathematics from Brandeis University in 1980. His interests include several branches of algebra: Commutative Algebra, Algebraic Geometry, Representation Theory and Invariant Theory. After working for five years at the Institute of Mathematics of the Polish Academy of Sciences, he joined the faculty of Northeastern University in Boston. Since 2013, he is Joan and Stuart Sydney Professor of Mathematics at the University of Connecticut. Professor Weyman was the recipient of the Kuratowski Prize of the Polish Mathematical Society in 1983. He was awarded the Humboldt Research Prize in 2011. He was the recipient of the 2015 Wacław Sierpiński Medal of the Polish Mathematical Society which is given out annually to recognize Polish mathematicians for their outstanding work and scientific achievements in their fields.

Abstract: Pdf

Jerzy Weyman

Date: 3/16/2017
Time: 4:00PM-5:00PM
Place: 315 Armstrong Hall

All are welcome.

Date, Location: 
2017-3-16

Seyfi Turkelli

Counting Field Extensions with Bounded Discriminant

Abstract:In this talk, I will talk about the problem of counting fields with bounded discriminant. After introducing the problem and surveying the important related results, I will talk about its historical connection with Fermat’s Last Theorem, and its important place in the research in number theory. I will conclude the talk with a recent result and the sketch of its proof.

Seyfi Turkelli

Date: 3/15/2017
Time: 3:00PM-4:00PM
Place: 313 Armstrong Hall

All are welcome.

Date, Location: 
2017-3-15

RUME Seminar

Student-centred teaching with the Extreme Apprenticeship method

Drs. Johanna Rämö and Jokke Häsä from the University of Helsinki will present

Abstract: Extreme Apprenticeship is a novel student-centred teaching method for large classes with hundreds of students. Its theoretical background is in situated view on learning and Cognitive Apprenticeship. In XA, students participate in activities that resemble those of professional mathematicians. The key elements are instructional scaffolding and continuous bi-directional feedback. Students are guided in their work by undergraduate/graduate TAs. In our talk, we introduce the XA method, and tell how the professional development of TAs has been organised.

Date: 3/3/2017
Time: 2:30PM-3:30PM
Place: 315 Armstrong Hall

Johanna Rämö

Jokke Häsä

All are welcome.

Date, Location: 
2017-3-03

Tokuji Araya

Topological approach to modeling spatial cognition

Date: 2/8/2017
Time: 4:00PM-5:00PM
Place: 315 Armstrong Hall

Abstract:The Auslander-Reiten quiver is one of the crucial tools to investigate the category of finitely generated modules over noetherian rings. It is an oriented graph whose vertices are indicated by indecomposable modules, and whose arrows are indicated by irreducible homomorphisms. In this talk, we will recall the notion of Auslander-Reiten quiver and calculate some examples.

Tokuji Araya

All are welcome.

Date, Location: 
2017-2-08

Yuri Dabaghian

Topological approach to modeling spatial cognition

Date: 2/1/2017
Time: 9:00AM-11:00AM
Place: 401 Engineering Science Building

Yuri Dabaghian

All are welcome.

Date, Location: 
2017-2-01

Yu Hu

Relating the connectivity of neural networks to dynamics: the effect of motifs and connecting network models across scales

Date: 1/30/2017
Time: 5:00PM-7:00PM
Place: 301 Health Sciences Center Biomedical Research Building

Yu Hu

All are welcome.

Date, Location: 
2017-1-30

Liu and Zhang

There will be two speakers for this event.

Professor Liu, Hubei University, will speak on "Some Conjectures on the Signless Laplacian Spectral Radius of Graphs".

Professor Zhang, Xia'Meng University, will speak on "The Surviving Rate of Graphs for Firefighter Problem"

Liu Abstract: Here
Zhang Abstract: Here

Date: 11/18/2016
Time: 3:30PM-5:30PM
Place: 315 Armstrong Hall

Date, Location: 
2016-11-18

Xiangqian Zhou

Induction for "4-connected" Matroids and Graphs

A matroid M is a pair (E,I) where E is a finite set, called the ground set of M, and I is a non-empty collection of subsets of E, called independent sets of M, such that (1) a subset of an independent set is independent; and (2) if I and J are independent sets with |I|

Abstract: Here

Date: 10/28/2016
Time: 3:30PM-4:30PM
Place: 315 Armstrong Hall

Xiangqian (Joe) Zhou's Webpage

Date, Location: 
2016-10-28

Yue Zhao

Vizing's conjectures and related problems

In 1965, Vizing proposed three conjectures about edge chromatic critical graphs which are Vizing’s Planar Graph Conjecture, Vizing’s 2-Factor Conjecture and the conjecture about the size of edge chromatic critical graphs. In 1968, Vizing proposed the Independence Number Conjecture that is a weaker conjecture than his 2-factor conjecture. In this talk, we will focus on the above four conjectures and talk about the progress and some related problems.

Date: 10/27/2016
Time: 3:30PM-4:30PM
Place: 315 Armstrong Hall

Date, Location: 
2016-10-27

Sean Sather-Wagstaff

Finiteness Conditions in Algebra

Mathematical objects that satisfy finiteness conditions are frequently easier to work with than arbitrary objects.  For instance, finite dimensional vector spaces are nicer in many ways than infinite dimensional ones. In this talk, I will discuss a variety of classical finiteness conditions in algebra and other areas: what they are and why they are useful. I will conclude with some new results answering a modified version of a question of Huneke about finiteness of associated primes in local cohomology. 

This talk will be accessible to graduate students.

Date: 10/25/2016
Time: 4:00PM-5:00PM
Place: 315 Armstrong Hall

Sean Sather-Wagstaff's Webpage

Date, Location: 
2016-10-25

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