About me

I am currently an Adjunct Professor in the Deaprtment of Mathematics & Compuer Science at University of St. Thomas. I earned my PhD in Mathematics from the Deaprtment of Mathematics at University of Houston, where I was advised by Andreas Mang and Yunhui He. My research focuses on numerical methods for inverse problems and optimal control. My PhD work involved studying optimal control problems governed by transport equations and designing multigrid preconditioners for the reduced space Hessian in Newton-Krylov frameworks and developing efficient solvers for large-scale optimization problems, with a particular interest in diffeomorphic image registration. My broader research interests include scientific computing, numerical linear algebra, and applications of mathematics to imaging and data science. I have also been actively involved in academic service, serving as the student advisor and president of the UH chapter of AWM (Association for Women in Mathematics). 

Education

• Ph.D. Mathematics, University of Houston, August 2025 (dissertation)
• M.S. Mathematics, The University of Southern Mississippi, August 2020 (thesis)
• B.S. Mathematics, University of Dhaka, January 2017

Publications

• Multigrid Preconditioning of the Reduced Space Hessian for Optimal Control Problems Governed by Transport Equations, in preparation.
  J. Chhoa, Y. He, and A. Mang.

• Metric Properties of Partial and Robust Gromov-Wasserstein Distances, preprint published November 2024.
  J. Chhoa, M. Ivanitskiy, F. Jiang, S. Li, D. McBride, T. Needham, and K. O’Hare.

• Supervised Dimension Reduction via Local Gradient Elongation, accepted October 2024, WiSDM 2023 Springer Proceedings “Advances in Data Science”.
  J. Chhoa, L. Huang, A. Little, A. Maurais, K. Morris, M. van der Walt, G. Verma, and R. Wang.

Teaching

University of St. Thomas

Spring ‘26 | Calculus I, Precalculus
Fall ‘25 | Precalculus

University of Houston

Winter ‘24 | Calculus II Lab
Fall ‘24 | Calculus I Lab
Winter ‘23 | Calculus II Lab
Fall ‘23 | Calculus III Lab
Winter ‘22 | Calculus II Lab
Fall ‘22 | Calculus III Lab
Summer ‘22 | Calculus II Lab
Spring ‘22 | Accelerated Calculus Lab

The University of Southern Mississippi

Spring ‘20 | Calculus I with Analytic Geometry
Fall ‘19 | College Algebra