Rings & Wings: Past Semesters

The Rings & Wings algebra seminar hosts talks on all aspects of algebra. The current schedule can be found on the main algebra seminar page.

Below is a record of talks from prior semesters—until Fall 2020. Each title is a link to the corresponding abstract. Information on talks from Spring 2020 and earlier can be found on Gene Abrams's web page.

Fall 2024

November 13        Zak Mesyan (UCCS)
Maximal Commutative Subalgebras of Steinberg Algebras
October 16          Kulumani M. Rangaswamy (UCCS)
Generalizations of Artinian Rings and Noetherian Rings — A Preliminary Report
September 18          Stefan Erickson (Colorado College)
The Rise and Fall of Supersingular Isogeny Diffie Hellman

Spring 2024

April 24        Gene Abrams (UCCS)
Recasting the Hazrat Conjecture: Graded Morita Equivalence of Leavitt Path Algebras
April 3          John Beachy (Northern Illinois University)
Universal Localization at Semiprime Goldie Ideals
March 13          Alan Loper (Ohio State University)
Weird Rings
February 21          Greg Oman (UCCS)
Countably Coverable Rings
January 31          Zak Mesyan (UCCS)
Graph Inverse Semigroups & Leavitt Path Algebras

Fall 2023

November 28          Scott T. Chapman (Sam Houston State University)
Factorizations of Algebraic Integers, Block Monoids, and Additive Number Theory
November 8          John Beachy (Northern Illinois University)
Modules in Which Products Commute
October 25          Sergio Lopez-Permouth (Ohio University)
Basic Extension Modules (All Bases are Created equal, but Some are More Equal than Others)
September 20          Kulumani M. Rangaswamy (UCCS)
On Naimark's Problem for Graph Algebras

Spring 2023

April 5          Gene Abrams (UCCS)
Morita Equivalence for Graded Rings
March 8          Dave Milovich (Welkin Sciences)
Unsettled Linear Algebra of Fourier Transforms of Complex-Coefficient Pseudo-Gaussians
February 8          Chris Smith (groq)
Applications of Algebra to Software Engineering

Spring 2022

April 27               Alberto Tonolo (University of Padua)
Tilting Modules and Tilting Torsion Pairs
April 6          Alexandra Epstein (UCCS)
Properties in A+B Rings
March 16          Rebecca Afandi (UCCS)
Conjugacy of Integral Matrices Over Algebraic Extensions
March 8Adam Dor-On (University of Münster)
Shift Equivalences Through the Lens of Cuntz-Krieger Algebras
February 23          Gene Abrams (UCCS)
Sandpile Models and Weighted Leavitt Path Algebras

Fall 2021

November 3          Menevşe Eryüzlü (University of Colorado, Boulder)
Constructing C*-Correspondences over Cuntz-Pimsner Algebras
October 27          Kulumani M. Rangaswamy (UCCS)
Serre's Conjecture, Cuntz Algebras, and Leavitt Algebras — A Preliminary Report
September 29          Kristen Gearhart (UCCS)
An Introduction to Group and Groupoid C*-algebras for Algebraists, Part II
September 22          Kristen Gearhart (UCCS)
An Introduction to Group and Groupoid C*-algebras for Algebraists, Part I

Spring 2021

April 21          Benjamin Steinberg (City College of New York — CUNY Graduate Center)
Cartan Pairs of Algebras
March 17          Lia Vas (University of the Sciences)
The Graded Classification Conjecture for Graph Algebras
February 17          Roozbeh Hazrat (University of Western Sydney)
Irreducible Representations of Leavitt Algebras L(n,m)

Fall 2020

November 4          Isaac Goldbring (University of California, Irvine)
The Connes Embedding Problem, MIP*=RE, and the Completeness Theorem
October 14          Mark Tomforde (UCCS)
K-theory: An Elementary Introduction
September 9          Roy Araiza (Purdue University)
An Abstract Characterization for Projections in Operator Systems