Actions of Tensor Categories on C*-algebras - IPAM

Actions of Tensor Categories on C*-algebras

January 21 - 28, 2021

Schedule

All times in this Schedule are Pacific Time (PT)

Thursday, January 21, 2021

Morning Session

07:55-08:00
Welcome & Opening Remarks: Dean Miguel García-Garibay (Dean of Physical Sciences, UCLA) and Dima Shlyakhtenko (Director, IPAM)
08:00-08:20
Stuart White (University of Oxford)
Introduction to Workshop: Actions of Tensor Categories on C*-algebras
08:20-08:20
Session Chair David Penneys (Ohio State)
08:20-09:10
Kristin Courtney (Westfälische Wilhelms Universität Münster)
Mini Course: The abstract approach to classifying C*-algebras
08:20-09:10
Kristin Courtney (Westfälische Wilhelms Universität Münster)
Mini Course: The abstract approach to classifying C*-algebras
09:20-09:30
Break
09:30-10:20
Stefaan Vaes (KU Leuven )
Mini Course: Outer actions of amenable groups on von Neumann algebras
10:30-10:40
Break
10:40-11:30
José Carrión (Texas Christian University)
Mini Course: The abstract approach to classifying C*-algebras
10:40-11:30
José Carrión (Texas Christian University)
Mini Course: The abstract approach to classifying C*-algebras

Monday, January 25, 2021

Morning Session

08:00-08:00
Session Chairs Julia Plavnik (Indiana) and Adam Skalski (Polish Acad. of Sci.)
08:00-08:30
André Henriques (University of Oxford)
Various things acted on by fusion categories
08:40-09:10
Samuel Evington (Westfälische Wilhelms Universität Münster)
Symmetries of Operator Algebras
09:15-09:25
Break
09:25-09:55
Discussion - Moderators: David Penneys (Ohio State) and Stuart White (Oxford)
09:30-09:45
Karen Strung (Czech Academy of Sciences (AVCR))
Discussion Session: A very quick introduction to the Jiang-Su algebra
09:55-10:05
Break
10:05-10:35
Claudia Pinzari (Università di Roma “La Sapienza”)
Weak quasi-Hopf algebras associated to Verlinde fusion categories
10:45-11:15
Lauren Ruth (Mercy College)
Von Neumann Equivalence

Tuesday, January 26, 2021

Morning Session

08:00-08:00
Session Chairs James Gabe (Univ. So. Denmark) and Aaron Tikuisis (Ottawa)
08:00-08:30
Christopher Schafhauser (University of Nebraska-Lincoln)
Non-stable extension theory and the classification of C∗-algebras Christopher Schafhauser
08:00-08:30
Christopher Schafhauser (University of Nebraska-Lincoln)
Non-stable extension theory and the classification of C∗-algebras Christopher Schafhauser
08:40-09:10
Sarah Reznikoff (Kansas State University)
Cartan subgroupoids of twisted groupoid C*-algebras
09:15-09:25
Break
09:25-09:55
Discussion - Moderators: David Penneys (Ohio State) and Stuart White (Oxford)
09:55-10:05
Break
10:05-10:35
Huaxin Lin (University of Oregon)
Non-unital Simple Z-absorbing C*-algebras
10:45-11:15
Corey Jones (North Carolina State University)
Building pointed fusion category actions on C*-algebras

Wednesday, January 27, 2021

Morning Session

08:00-08:00
Session Chairs Fred Goodman (Iowa) and Emily Peters (Loyola Chicago)
08:00-08:30
Eusebio Gardella (Westfälische Wilhelms Universität Münster)
Crossed products by partial actions
08:40-09:10
Lara Ismert (Embry-Riddle Aeronautical University)
Heisenberg Pairs on Hilbert C*-modules
09:15-09:25
Break
09:25-09:55
Contributed Short Talks and Discussion
09:55-10:05
Break
10:05-10:35
Marius Dadarlat (Purdue University)
Obstructions to matrix stability of discrete groups
10:45-11:15
Rolando de Santiago (California State University, Long Beach (CSU Long Beach))
L2 cohomology and maximal rigid subalgebras of s-malleable deformations

Thursday, January 28, 2021

Morning Session

08:00-08:00
Session Chairs David Penneys (OSU) and Dima Shlyakhtenko (IPAM/UCLA)
08:00-08:30
Luca Giorgetti (Università degli Studi di Roma "Tor Vergata")
Distortion for II_1 multifactor inclusions and bimodules
08:40-09:10
Sorin Popa (University of California, Los Angeles (UCLA))
On the mathematical legacy of Vaughan Jones: FACTOR SYMMETRIES ARE QUANTIZED
09:15-09:25
Break
09:25-09:55
Problem Session - Moderator: Aaron Tikuisis (Univ. Ottawa)
09:55-10:05
Break
10:05-10:35
Ulrich Pennig (Cardiff University)
Fell bundles, Dixmier-Douady theory and higher twists
10:45-11:15
Julia Plavnik (Indiana University)
Classifying small fusion categories
11:30-11:30
Conclusion
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