This is the website for the Caltech–Tsinghua Joint Colloquium organized Shoma Sugimoto, Song Yu, and Roy Zhao. This webpage is maintained by Roy Zhao.
The colloquium is scheduled to meet Tuesdays 5:00 PM Caltech local time–Wednesdays 8:00 AM Tsinghua local time. The colloquium will meet virtually on Zoom (link).

Fall 2025–Spring 2026 Schedule, Zoom

Titles and abstracts are also available on the Caltech calendar.

Date	Speaker	Topic
October 28	Huy Tuan Pham (Caltech)	Selector Processes and Combinatorial Connections
November 25	Artane Siad (Tsinghua)	Bhargava's Geometry-of-Numbers beyond Davenport's Lemma

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