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GPOTS 2025
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GPOTS 2025
  • Home
  • Schedule
  • Speakers
    • Main Speakers
    • Invited Speakers
    • Contributed Talks
  • List of Participants
  • Photo Gallery
  • Venue
  • History
  • More
    • Home
    • Schedule
    • Speakers
      • Main Speakers
      • Invited Speakers
      • Contributed Talks
    • List of Participants
    • Photo Gallery
    • Venue
    • History

Schedule

In table format(pdf) 

Monday

October 20, 2025

8:00 - 8:40 am

Opening and Welcome

University of Puerto Rico, Río Piedras

8:50 - 9:40 am

Dancing across the line, I

Gearge Elliott - University of Toronto

9:50 - 10:20 am

A Mackey Embedding for Reduced Group C*-Algebras

Ángel Román - Washington Univ. in St. Louis

Tea Break 10:20 - 10:50 am

10:50 - 11:40 am

Dancing across the line, II

Zhuang Niu - University of Wyoming

11:50 - 12:20 pm

Stable rank of $C(X) \rtimes Z^d$

Chunguang Li - Northeast Normal University

Lunch 12:30 - 1:50 pm

2:00 - 2:30 pm

Stably finite 3-graph C*-algebras

 Sarah Browne - The University of Kansas

2:40 - 3:10 pm

Twisted coarse Baum-Connes conjecture and relatively hyperbolic groups

 Jintao Deng - University at Buffalo

3:20 - 3:40 pm

Parallel sessions - Contributed talks

La Vista

Robin Deeley - Colorado University

Abstract

Tropico 1

John Quigg - Arizona State University

Abstract

Tropico 3

Srivatsav K. Elayavalli - University of Maryland

Abstract

Tea Break 3:40 - 4:10 pm

4:10 - 4:30 pm

Parallel sessions - Contributed talks

La Vista

Cristian Ivanescu - MacEwan University

Abstract

Tropico 1

Brent Nelson - Michigan State University

Abstract

Tropico 3

Benjamin Jones - Arizona State University

Abstract

4:40 - 5:00 pm

Parallel sessions - Contributed talks

La Vista

Arturo Jaime - University of Hawai'i at Mānoa

Abstract

Tropico 1

Daniel Wallick - The Ohio State University

Abstract

Tropico 3

Chrisil Ouseph - Purdue University

Abstract

5:10 - 5:30 pm

Parallel sessions - Contributed talks

La Vista

Ajay Kumar Karri - Texas A&M University

Abstract

Tropico 1

Open

Abstract

Tropico 3

Junhwi Lim - Vanderbilt University

Abstract

5:40 - 6:45 pm

Open problems discussions

 

 

Tuesday

October 21, 2025

8:30 - 9:20 am

Spectral Analysis of Dirac Operators and the Topological Complexity of Manifolds with Scalar Curvature Lower Bounds

Guoliang Yu - Texas A&M University

9:30 - 10:20 am

A finite-dimensional approach to K-homology and KK-theory

Rufus Willett - University of Hawaii

Tea Break 10:20 - 10:50 am

10:50 - 11:40 am

Quasi-representations and a K-theoretic invariant

Jianchao Wu - Fudan University

11:50 - 12:20 pm

A topology on E-theory

José Carrión - Texas Christian University

Lunch 12:30 - 1:50 pm

2:00 - 2:50 pm

Koopman semigroups and integral operators on Lebesgue spaces

Pedro J. Miana - University of Zaragoza

3:10 - 3:40 pm

Density of irreducible operators in trace-class norm

 Rui Shi - Dalian University of Technology

Tea Break 3:50 - 4:10 pm

4:10 - 4:30 pm

Parallel sessions - Contributed talks

La Vista

David Jekel - University of Copenhagen

Abstract

Tropico 1

Valentin Deaconu - University of Nevada, Reno

Abstract

Tropico 3

Aareyan Manzoor - University of Waterloo

Abstract

4:40 - 5:00 pm

Parallel sessions - Contributed talks

La Vista

Ryo Toyota - Texas A&M University

Abstract

Tropico 1

Yoonkyeong Lee - Michigan State University

Abstract

Tropico 3

Amy Chambers - Tennessee Tech University

Abstract

5:10 - 5:30 pm

Parallel sessions - Contributed talks

La Vista

Lucas Hall - Michigan State University

Abstract

Tropico 1

Iason Moutzouris - Sam Houston State University

Abstract

Tropico 3

Jennifer Zhu - University of Waterloo

Abstract

5:40 - 6:45 pm

Open problems discussions

 

 

Wednesday

October 22, 2025

8:30 - 9:20 am

Almost commuting selfadjoint operators and quantum measurements

Huaxin Lin - University of Oregon

9:30 - 10:20 am

Extensions of C*-algebras of real rank zero and stable rank one

Qingnan  An - Northeast Normal University

Tea Break 10:20 - 10:50 am

10:50 - 11:40 am

Classification of ASH algebras of real rank zero

Zhichao Liu - Dalian University of Technology

11:50 - 12:20 pm

Cuntz semigroup and Cuntz comparison for C*-algebras

Kun Wang - Texas A&M University

Lunch 12:30 - 1:50 pm

 

 

Thursday

October 23, 2025

8:30 - 9:20 am

Higher Lefschetz formulas on $\Gamma$-proper manifolds

Xiang Tang - Washington Univ. in St. Louis

9:30 - 10:20 am

KMS-bundles with multiple parameters on Z-absorbing C*-algebras

 Yasuhiko Sato - Kyushu University

Tea Break 10:20 - 10:50 am

10:50 - 11:40 am

The invariant subspace problem and Rosenblum operators

Yuanhang Zhang - Jilin University

11:50 - 12:20 pm

The double-phase $C_0$-semigroup over C(\overline{\Omega})

Alejandro Vélez - University of Puerto Rico, Río Piedras

Lunch 12:30 - 1:50 pm

2:00 - 2:50 pm

Cyclic Commuting Tuples, Linear Functional and RKHS

Yi Wang - Chongqing University

3:10 - 3:40 pm

Primeness for the von Neumann Algebra of the Higman-Thompson Group $V_d$

Rolando de Santiago - California State University

Tea Break 3:50 - 4:10 pm

4:10 - 4:30 pm

Parallel sessions - Contributed talks

La Vista

Rafael Aparicio - University of Puerto Rico, Ponce

Abstract

Tropico 1

Konrad Aguilar - Pomona College

Abstract

Tropico 3

Ana Savu - University of Alberta

Abstract

4:40 - 5:00 pm

Parallel sessions - Contributed talks

La Vista

Zishuo Zhao - Tsinghua University

Abstract

Tropico 1

Kevin Silva Pérez - University of Puerto Rico, Río Piedras

Abstract

Tropico 3

Felipe Flores - University of Virginia

Abstract

5:10 - 5:30 pm

Parallel sessions - Contributed talks

La Vista

Georgios Baziotis - University of Delaware

Abstract

Tropico 1

M. Ali Asadi Vasfi - Purdue University

Abstract

Tropico 3

Matthew Gillespie - Arizona State University

Abstract

5:40 - 6:45 pm

Open problems discussions

7:00 - 9:00 pm

Dinner (In celebration of George Elliott’s eightieth birthday)

 

 

Friday

October 24, 2025

8:30 - 9:20 am

Positive Semigroups: Peaks and Pits

Wolfgang Arendt - University of Ulm

9:30 - 10:20 am

Quantum Advantages and Classical Simulations

Zhengwei Liu - Tsinghua University

Tea Break 10:20 - 10:50 am

10:50 - 11:40 am

Euler characteristics, higher Kazhdan projections and delocalised $\ell^2$-Betti numbers

Hang Wang - East China Normal University

11:50 - 12:20 pm

Quantum graphs and connectivity

Priyanga Ganesan - University of California, San Diego

Lunch 12:30 - 1:50 pm

Thanks for your participation!

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