This is the website for CTNT, the Connecticut Summer School in Number Theory that will take place in-person during Monday, June 1st to Sunday, June 7th, 2026, organized by Jennifer Balakrishnan (BU), Rebecca Bellovin (UConn), Keith Conrad (UConn), Alvaro Lozano-Robledo (UConn), and Christelle Vincent (UVM). There are two components:

• Summer School (June 1st - June 5th) in number theory for advanced undergraduates and beginning graduate students.
• Research Conference (June 5th - June 7th) on arithmetic geometry, number theory, and related topics.

CTNT is funded by the National Science Foundation, the National Security Agency, the Number Theory Foundation, and UConn's Mathematical Sciences Research Collaboratory.
Registration for CTNT 2026 will open soon!

The organizers can be reached at ctntsummer@uconn.edu.