Spencer Leslie

Boston College

Upcoming events and CV

CV (last updated Mar. 2025)

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Past Invited Talks/Events

 • Number theory seminar, Duke University, Durham, NC (November 7, 2024).

 • POSTECH-PMI Number Theory Seminar, POSTECH , Korea (November 8, 2024).

• Automorphic Forms and Arithmetic Seminar, Columbia University, NY (September 6, 2024).

• Harish-Chandra Lecture series, special year at Bhaskaracharya Pratishthana and IISER Pune, Pune, India (August 8, 2024)

• Summer School and Workshop on Relative Langlands Duality, University of Minnesota, Twin cities, MN (June 3-8, 2024) 

 • Princeton/IAS Number theory seminar, Princeton University, Princeton, NJ (May 2, 2024).

 • BC NT/RT seminar, Boston College, Chestnut Hill, MA (April 4, 2024).

 • Arithmetic quantum field theory conference, Harvard CMSA, Cambridge, MA (March 25–29, 2024).

• University of Chicago Number theory seminar, University of Chicago, Chicago, IL (March 2024).

• Arithmetic intersection theory on Shimura varieties, AIM workshop at Caltech, Pasadena, CA (January 8-12, 2024).

 • Lie Groups seminar, MIT, Cambridge, MA (December 6, 2023).

 • Number theory seminar, MIT, Cambridge, MA (November 7, 2023).

 • Automorphic forms, their arithmetic, and their applications, AMS Sectional Meeting at Creighton University, organizer, Omaha, NE (October 7-8, 2023). 

•  New connections between physics and number theory, invited conference speaker, Pollica Physics Centre, Italy (June 5-16, 2023).

 •  The Hitchin system, Langlands duality and mirror symmetry, invited workshop speaker, Instituto de Ciencias Matemáticas, Madrid (April 24-29, 2023).

 •  POSTECH-PMI Number Theory Seminar, virtual lecture, (October 28, 2022).

 • Harvard Number Theory Seminar, Harvard University, Cambridge, MA (November 2, 2022).

 • Masterclass on Relative trace formulae, program assistant, University of Copenhagen (August 22-26, 2022).

 • Princeton/IAS Number Theory seminar, Princeton University, Princeton, New Jersey (April 28, 2022).

 • Number Theory seminar, Johns Hopkins University, Baltimore, Maryland (April 20, 2022).

• Arizona Winter School: Automorphic forms beyond GL(2), project assistant, Tucson, Arizona (March 5-9, 2022).

 • Basic functions, Orbital integrals, and Beyond endoscopy, BIRS workshop, Banff (virtual) (November 15-19, 2021).

 • The Mathematics Colloquium, Rutgers University-Newark (virtual) (November 10, 2021).

•Relative aspects of the Langlands program, L-functions, and Beyond endoscopy, CIRM (virtual) (May 26, 2021).

 •Ngo’s geometric representation theory seminar, University of Chicago (virtual) (April 8, 2021).

 •Automorphic project and research seminar, research talk on relative endoscopy, (March 26, 2021).

 •Automorphic project and research seminar, background talk on prestabilization (March 19, 2021).

 •Representations of Reductive groups seminar, L’Institut de Mathématiques de Marseille, Marseille, France (virtual) (February 25, 2021).

 •Algebraic Geometry-Representation Theory seminar, Weizmann Institute of Science, Rehovot, Israel (October 14, 2020), Click here for video.

 •HUJI-BGU Algebraic Geometry-Number Theory seminar, Hebrew University of Jerusalem, Jerusalem, Israel (April 27, 2020), Click here for slides.

•Number Theory seminar, University of Arizona, Tucson, Arizona (March 3, 2020).

•Group, Lie, and Number Theory seminar, University of Michigan, Ann Arbor, Michigan (February 24, 2020).

•Automorphic forms and Arithmetic seminar, Columbia University, New York, New York (February 7, 2020).

• Number Theory Seminar, Duke University, Durham, North Carolina (January 29, 2020).

•Boston University/Keio University Workshop: Number theory, Boston University, Boston, Massachusetts (June 24-28, 2019).

•Recent Developments in Automorphic Forms, University of Hawaii at Manoa in Honolulu, Hawaii (March 22-24, 2019).

•Geometric methods in Representation Theory Seminar, University of North Carolina, Chapel Hill, North Carolina (January 25, 2019).

•Number Theory Seminar, Duke University, Durham, North Carolina (November 14, 2018).

•Automorphic forms on reductive groups and their covers: A conference in honor of Solomon Friedberg, ETH Zurich, Switzerland (June 25-28, 2018). Click here for slides.

• 32nd Automorphic Forms Workshop, Tufts University, Medford, Massachusetts  (March 19-22, 2018).

• Junior Number Theory Days, Rutgers University-Newark, Newark, New Jersey (November 17-18, 2017).

• Number Theory Seminar, Duke University, Durham, North Carolina (October 11, 2017).

• Representation Theory Seminar, University of Massachusetts-Amherst, Amherst, Mass. (October 2, 2017).

• Invited Graduate Student Speaker, Palmetto Number Theory Series (PANTS), University of Tennessee (Knoxville), Knoxville, Tennessee (September 16-17, 2017).

• Special Session on Real-Analytic Automorphic Forms, University of North Texas, Denton, Texas (September 9-10, 2017).

• Number Theory Seminar, National University of Singapore, Singapore (August 10-17, 2017). (2 talks given)