Dynamics, Geometry and Moduli Spaces


An Informal Seminar

Organized by C. McMullen

Harvard University
Room 530 SC
Wednesdays, 4pm

25 February 2026
Curtis McMullen, Harvard University
Teichmüller theory via simple closed curves

25 March 2026
John Hubbard, Cornell University
Matings and 3-manifolds that fiber over the circle: One entry in the Sullivan dictionary

Past and Future Talks

Algebraic Dynamics Seminar (Thursdays)

Papers to read/report on


Notes from Previous Years


2018: Ratner Fails
2014: Renormalized Volume





Geodesics in moduli space M1 = M0,4

The Bing sling
Is every knot topologically isotopic to the unknot?

Parallel billiards in the regular 9-gon


Arithmetic chaos in the regular 12-gon


Tablecloths and triangles

Rescaling proof of Little Picard's Theorem (p. 118)