Harry Richman

I am a fifth-year graduate student at the University of Michigan. I am interested in problems in combinatorics, tropical geometry, and number theory. My advisor is David Speyer.

Before coming to Michigan I studied math at MIT and the Math in Moscow program.


email: hrichmаn @ umiсh . еdu
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
Winter 2018: Math 116


  1. "Dilated floor functions that commute," coauthored with J. C. Lagarias and T. Murayama. arXiv:1611.05513. American Math. Monthly 123.10 (2016), pp. 1033-1038. DOI: 10.4169/amer.math.monthly.123.10.1033

  2. "Dilated floor functions having nonnegative commutator I. Positive and mixed sign dilations," coauthored with J. C. Lagarias. arXiv:1806.00579. accepted to Acta Arithmetica. DOI: 10.4064/aa180602-21-9

  3. "Dilated floor functions having nonnegative commutator II. Negative dilations," coauthored with J. C. Lagarias, in preparation.

  4. "Equidistribution of Weierstrass points on tropical curves," arXiv:1809.07920.

Notes and Presentations


Analysis quals
Rubik's cube
Quotes about math
Eugenia Cheng on the lecture system
Why should I do math? (43., 35., 31., 10., 28., 8., 11., 14., 41., 26., 21., 18.)