Harry Richman

I am a third-year graduate student at the University of Michigan. Before coming to Michigan I studied math at MIT and the Math in Moscow program.


email: hrichman
office: East Hall 1860
address: 530 Church Street
Ann Arbor, MI 48109


Fall 2014: Math 115
Winter 2015: Math 116
Fall 2015: Math 216
Winter 2016: Math 116
Fall 2016: Math 215


1. "Dilated Floor Functions that Commute," coauthored with J. C. Lagarias and T. Murayama. American Math. Monthly 123.10 (2016), pp. 1033-1038.
2. "Dilated Floor Functions with Non-negative Commutator," coauthored with J. C. Lagarias. In preparation.

Notes and Presentations

"Matchings in convergent graph sequences," March 2017 PDF
"Moduli space of tropical curves," June 2017 PDF

"Local Gauss-Lucas theorem," July 2017 PDF
"Descartes' rule and beyond," September 2017 PDF


Analysis quals
Rubik's cube

Eugenia Chang on the lecture system
Why should I do math?