The ARCS Seminar (Past Talks)










    Spring 2022

    February 23           Gene Abrams
    University of Colorado Colorado Springs
    Sandpile models and weighted Leavitt path algebras
    Abstract




    March 8           Adam Dor-On
    Special Time: University of Münster, Germany
    12:30--1:30PM Shift equivalences through the lens of Cuntz-Krieger algebras
    (online)
     
    Abstract
    Video of the Talk




    March 16           Rebecca Afandi
    University of Colorado Colorado Springs
    Conjugacy of integral matrices over algebraic extensions
    Abstract
    Slides from the Talk




    April 6           Alexandra Epstein
    University of Colorado Colorado Springs
    Properties in A+B Rings
    Abstract
    Slides from the Talk




    April 27           Alberto Tonolo
    University of Padua, Italy
    Tilting Modules and Tilting Torsion Pairs
    Abstract
    Slides from the Talk




    Fall 2021

    September 22           Kristen Gearhart
    University of Colorado Colorado Springs
    An Introduction to Group and Groupoid C*-algebras for Algebraists, Part I
    Abstract




    September 29           Kristen Gearhart
    University of Colorado Colorado Springs
    An Introduction to Group and Groupoid C*-algebras for Algebraists, Part II
    Abstract




    October 27           Kulumani M. Rangaswamy
    University of Colorado Colorado Springs
    Serre's Conjecture, Cuntz Algebras, and Leavitt Algebras — A Preliminary Report
    Slides from the Talk




    November 3           Menevşe Eryüzlü
    Special Time: University of Colorado Boulder
    5:00--6:00PM Constructing C*-correspondences over Cuntz-Pimsner Algebras
    Abstract




    November 13--14           GroupoidFest Conference




    November 18           Pace Nielsen
    UCCS Colloquium Brigham Young University
    12:30--1:30PM Spoof odd perfect numbers
    Abstract




    Spring 2021

    February 17           Roozbeh Hazrat
    University of Western Sydney (Australia)
    Irreducible representations of Leavitt algebras L(n,m).
    Abstract
    Video of the Talk




    March 17           Lia Vas
    University of the Sciences (Philadelphia, USA)
    The Graded Classification Conjecture for graph algebras
    Abstract
    Video of the Talk
    Slides from the Talk




    April 21           Benjamin Steinberg
    City College of New York — CUNY Graduate Center
    Cartan pairs of algebras
    Abstract
    Video of the Talk




    Fall 2020

    September 9           Roy Araiza
    Purdue University
    An Abstract Characterization for Projections in Operator Systems
    Abstract
    Slides from Talk




    October 14           Mark Tomforde
    University of Colorado Colorado Springs
    K-theory: An Elementary Introduction
    Abstract
    Slides from Talk




    November 4           Isaac Goldbring
    University of California, Irvine
    The Connes Embedding Problem, MIP*=RE, and the Completeness Theorem
    Abstract
    Slides from Talk
    Video of Talk