Published on Department of Mathematics Calendar (https://calendar.math.yale.edu)

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Week of December 7, 2025

December 8, 2025
Hahn Lecture Series [3] Entropy: From algebraic integers to dynamics on surfaces Curtis McMullen - Harvard 4:00pm -
KT 101
December 9, 2025
Geometry & Topology [4] TBA Connor Sell - Université de Quebec à Montreal 11:00am -
KT 211
Hahn Lecture Series [3] Billiards and moduli spaces Curtis McMullen - Harvard 3:30pm -
KT101
December 10, 2025
Hahn Lecture Series [3] The question mark function, welding and complex dynamics Curtis McMullen - Harvard 3:30pm -
KT 14th floor
December 12, 2025
Friday Morning Seminar [5] Friday Morning Seminar 10:00am -
KT 801

Abstracts

Week of December 7, 2025

December 8, 2025
Hahn Lecture Series [3] Entropy: From algebraic integers to dynamics on surfaces 4:00pm -
KT 101

These lectures will describe connections between dynamical systems and topics including algebraic geometry, number theory,
unipotent flows and fractal Jordan curves.

All talks will be for a general audience, and no talk is a prerequisite for any other.
December 9, 2025
Geometry & Topology [4] TBA 11:00am -
KT 211

TBA
Hahn Lecture Series [3] Billiards and moduli spaces 3:30pm -
KT101

These lectures will describe connections between dynamical systems and topics including algebraic geometry, number theory,
unipotent flows and fractal Jordan curves.

All talks will be for a general audience, and no talk is a prerequisite for any other.
December 10, 2025
Hahn Lecture Series [3] The question mark function, welding and complex dynamics 3:30pm -
KT 14th floor

These lectures will describe connections between dynamical systems and topics including algebraic geometry, number theory,
unipotent flows and fractal Jordan curves.

All talks will be for a general audience, and no talk is a prerequisite for any other.
December 12, 2025
Friday Morning Seminar [5] Friday Morning Seminar 10:00am -
KT 801

We have impromptu and (sometimes) scheduled talks, on topics in probability, combinatorics, geometry, and dynamics.

Everyone is welcome! 
Visit our web site at http://math.yale.edu for updates and special announcements

Links
[1] https://calendar.math.yale.edu/list/calendar/grid/week/2025-W49 [2] https://calendar.math.yale.edu/list/calendar/grid/week/2025-W51 [3] https://calendar.math.yale.edu/seminars/hahn-lecture-series [4] https://calendar.math.yale.edu/seminars/geometry-topology [5] https://calendar.math.yale.edu/seminars/friday-morning-seminar [6] https://calendar.math.yale.edu/list/calendar/grid/week/abstract/2025-W49 [7] https://calendar.math.yale.edu/list/calendar/grid/week/abstract/2025-W51