I am a fourth-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
"Dilated Floor Functions that Commute," coauthored with J. C. Lagarias and T. Murayama.
American Math. Monthly 123.10 (2016), pp. 1033-1038.
"Dilated Floor Functions with Non-negative Commutator," coauthored with J. C. Lagarias.
Notes and Presentations
"Matchings in convergent graph sequences," March 2017
"Moduli space of tropical curves," June 2017
"Local Gauss-Lucas theorem," July 2017
"Descartes' rule and beyond," September 2017