Rahul Rajkumar

Ph.D. Student (Advisor - David Weisbart)

A picture of me with ice cream in the West Village, NYC

Email: rahul.rajkumar AT email.ucr.edu

I am a fourth year Ph.D. student in the UC Riverside Mathematics Department under Professor David Weisbart. I am broadly interested in Probability Theory and Stochastic Processes. I work with stochastic processes valued in p-adic spaces, alternatives to the real numbers that naturally display hierarchical, ultra-metric structure. The overarching theme of my research program is the interplay between Brownian motions/diffusion processes and symmetry.


  • Ph.D. in Mathematics, UC Riverside (2020 - Present)
  • M.S. in Mathematics (Applied), UC Riverside (June 2023)
  • B.A. in Mathematics (magna cum laude), NYU (May 2020)

For more information, please view my resume.

Fun Fact About Me

In addition to pursuing a Ph.D. in Mathematics, I perform in the UC Riverside Concert Band on the bassoon, and am classically trained on the alto saxophone.

Diversity, Equity, & Inclusion

I believe that mathematics is one of humanity’s great achievements, comparable to the study of great literature from the world over. As such, no one should be excluded from learning about mathematics. I support DEI organizations including Spectra: The Association for LGBT Mathematicians and the Association for Women in Mathematics.