Theta operators for automorphic forms on unitary groups. A talk at the CRM's workshop on Serre weights conjectures and geometry of Shimura varieties.

Creating a Community of Learners. A webinar on engaging students and building a community in classes taught remotely, including during the pandemic. 

p-adic aspects of L-functions and automorphic forms. A talk at the Pacific Rim Conference in Mathematics.

April 10-July 11, 2021

The exhibit Creativity Counts at the Jordan Schnitzer Museum of Art shares the beauty of mathematics with the broader public.

Can't make it to the museum?  Check out


Improv and Pedagogy

Recent Videos

March 2022

Invited lecturer, Arizona Winter School on "Modular forms beyond GL_2," The Southwest Center for Arithmetic Geometry, Tucson, Arizona


April 2021

Invited speaker, Algebra and Number Theory Seminar, Penn State

Invited speaker, Algebra and Discrete Mathematics Seminar, UC Davis


February 2021

Invited speaker, Colloquium, Penn State

I enjoy discussing math with people of all backgrounds, most recently:


May 2021

Maseeh Colloquium, Portland State University (undergraduates and faculty)

An introduction to the Bernoulli numbers, from Pythagoras to present


November 2019

Harvard University Open Neighborhood Seminar (undergraduates)

An introduction to the Bernoulli numbers, from Pythagoras to present


September 2019

The Pennington School Applied Science Program (high school students)

Math for keeping secrets and for fun


Museum Exhibit

Some workshops I recently created...


2021 (Date TBD)

Yes And! Improvisation as a Tool for Enhancing Teaching and Learning (joint with H. Barnes), Teaching Engagement Program, University of Oregon


April 2021

Whose Math Is It Anyway?, Math Monday, St. Mary's College of California


October 2020

Whose Math Is It Anyway?, Colloquium, Bowling Green State University


August 2020

Engaging Students and Building Community in Remote Classes, University of Idaho


March 2019 and 2020

Session on applying principles of improvisation in the classroom, for masters in teaching students in EDST 624 (Methods: Scientific Problem Solving), School of Education, University of Oregon

 Expository Talks

Spring 2023

Co-organizing semester-long program (with H. Darmon, B. Howard, D. Loeffler, C. Skinner, S. Zerbes, and W. Zhang), as well as two associated workshops, on Algebraic Cycles, L-Values, and Euler Systems, MSRI, Berkeley, California


December 2022

Co-organizing (with S.W. Shin and L. Xiao) session on algebraic number theory and arithmetic geometry at the Pacific Rim Mathematical Association Congress, Vancouver, Canada


July--August 2022

Co-organizing (with M. Fox, M. Harris, C. Hsu, A. Pollack, Sujatha, and C. Wang-Erickson) A Pair of Automorphic Workshops, University of Oregon

-Graduate instructional workshop

-Workshop to promote diverse research collaborations


July 2022

Co-organizing (with M. Dimitrov and A. Jorza) Conference on p-adic L-functions and eigenvarieties, University of Notre Dame, Indiana


July 2021

Co-organizing (with D. Barrera Salazar, L. Alberto Lomelí, A Pacetti, and C. Sorensen) session on Galois representations and automorphic forms, Mathematical Congress of the Americas, Buenos Aires, Argentina


October 2019

Co-organized (with J. Kamnitzer, A. Kontorovich, and K. Stange) Illustrating Number Theory and Algebra workshop, ICERM, Brown University, Providence, RI


April 2019

Co-organized (with Y. Liu, L. Xiao, and W. Zheng) AMS Special Session on Special Values of L-functions and Arithmetic Invariants in Families, Spring Eastern Sectional Meeting, University of Connecticut, Hartford, CT


January 2017

Co-organized (with A. Bucur) of the Joint Mathematics Meetings AWM Workshop (special session on number theory), Atlanta, GA


March 2016

Co-organized (with J. Rouse and K. Thompson) of the 30th Annual Automorphic Forms Workshop, Wake Forest University, Winston-Salem, NC


Lectures on Research

Workshop Organization