About

This is the website for an algebraic topology conference series meeting every two years in San Juan, Puerto Rico. Each conference features a variety of events (mini-courses and lecture series, research talks, contributed talks, and general public talks) focusing on recent developments in algebraic topology and their applications to other fields of mathematics, physics, and data science. Click here for more information on past iterations.

The next meeting will take place on July 10–17, 2026. Registration is now open. There will be a mini-course session from July 10-12 and a research conference from July 13-17. Save the date and stay tuned for further updates. This iteration is an official satellite event of the International Congress of Mathematicians 2026 (July 23-30, 2026).

Registration

The registration for this conference is now open. To apply for support you must register no later than March 20th, 2026. To attend the conference without support you must register no later than April 15th, 2026. Information about venue and logistics will eventually be provided through email to registered participants. The registration form can be accessed here.

Speakers

Mini-courses (July 10-12)

  • Shawn Cui (Purdue University)
  • Ishan Levy (Institute of Advanced Study)
  • Andrew Putman (University of Notre Dame)
Conference (July 13-17)
  • Shawn Cui (Purdue University)
  • Nir Gadish (University of Pennsylvania)
  • Ishan Levy (Institute of Advanced Study)
  • Mikhail Khovanov (Johns Hopkins University)
  • Natalia Pacheco-Tallaj (MIT)
  • Julia Plavnik (Indiana University)
  • Andrew Putman (University of Notre Dame)
  • Piotr Pstragowski (University of Washington)
  • Zhenghan Wang (UC Santa Barbara)
  • Kirsten Wickelgren (Duke Uniersity)
  • Jennifer Wilson (University of Michigan)
  • Zhouli Xu (UCLA)

organizers

This conference series is organized by Manuel Rivera (Purdue University), Ralph Kaufmann (Purdue University), Mona Merling (UPenn), and Jeremy Miller (Purdue University). The local organizers are Gabriel Montoya Vega (University of Puerto Rico, Río Piedras) and Iván Cardona (University of Puerto Rico, Río Piedras). If you have any questions you may contact the organizers at algtoppr at gmail dot com.