\ GroupoidFest 2022 | Department of Mathematics | University of Colorado Boulder

GroupoidFest 2022

Participant List

  • Mohammad Shavandi, University of Nevada, Reno
  • Jeffrey Morton, SUNY Buffalo State
  • Alex Kumjian, University of Nevada, Reno
  • Ryszard Nest, University of Copenhagen
  • Matthew Lorentz, Michigan State University
  • Chris Seaton, Rhodes College
  • Joseph Lippert, University of Montana
  • Elizabeth Gillaspy, University of Montana
  • Jeffery Long, ASU
  • Rachel Chaiser, CU Boulder
  • Robin Deeley, CU Boulder
  • Ian Mitscher, Colorado School of Mines
  • Valentin Deaconu, University of Nevada, Reno
  • Maggie Reardon, CU Boulder
  • Judith Packer, CU Boulder
  • Felipe Flores, University of Virginia
  • Vincent Villalobos, University of Illinois at Urbana-Champaign
  • Patrick Kreitzberg, University of Montana
  • Levi Lorenzo, CU Boulder
  • Carla Farsi, CU Boulder
  • Andrew Stocker, CU Boulder
  • Leonard Huang, University of Nevada, Reno
  • Marius Ionescu, United States Naval Academy
  • Jack Spielberg, ASU
  • James Woodcock, CU Boulder
  • Zach Pence, University of Wyoming
  • John Quigg, ASU
  • Menevse Eryuzlu, CU Boulder
  • Markus Pflaum, CU Boulder
  • Sheagan John, CU Boulder

    Schedule



  • Saturday

    9:00-9:30 Registration

    9:30-10:20 Christopher Seaton
    Orbifold Euler characteristics of proper Lie and definable groupoids

    10:40-11:30 Elizabeth Gillaspy
    Dynamical Gamma-Cartan subalgebras

    1:30-2:20 Marius Ionescu
    The Koopman representation for groupoids

    2:40-3:30 Valentin Deaconu
    The Koopman representation for self-similar groupoid actions

    4:00-4:50 Joseph Lippert
    Higher-Rank Graphs and Their Groupoids: a Geometric Approach to Morita Classes.

  • Sunday

    9:00-9:50 Alex Kumjian
    Pushouts of groupoid extensions by abelian group bundles and the associated C*-algebras

    10:10-11:00 John Quigg
    Groupoid crossed-product ideals - first steps

    11:20-12:10 Jeffrey Morton
    The Fock Pseudomonad and Groupoidification