Research Interests
Featured grants
- Treinen, Raymond F. The floating ball, floating drop, and melting ice problems, REP, Texas State University, $8000. (Funded: June 2012 - August 2012). Grant.

Featured scholarly/creative works
- Treinen, R. F., & Mault, M. D. (2026). Comparison of the potential energy for different equilibrium configurations of symmetric and asymmetric floating drops. Physics of Fluids, 38. Retrieved from https://pubs.aip.org/aip/pof/article/38/6/067112/3394708/Comparison-of-the-potential-energy-for-different?searchresult=1
- Welsh, S. C., & Treinen, R. F. (2025). The Equinox at the North Pole. In Handbook of the Mathematics of the Arts and Sciences. USA: Springer.
- Treinen, R. F. (2023). Spectral methods for capillary surfaces described by bounded generating curves. Applied Mathematics and Computation, 450.
- Treinen, R. F., & Ickes, H. E. (2020). The existence of an energy minimizing configuration for multiple solid objects floating in a bath of three liquids. Annali Di Matematica Pura Ed Applicata, 4(199), 821–831. https://doi.org/https://doi.org/10.1007/s10231-019-00902-4
- Treinen, R. F., Blank, I., & Elcrat, A. (2019). Geometry of the triple junction between three fluids in equilibrium. Electron. J. Differential Equations, 2019, 1–35.
Featured awards
- Award / Honor Recipient: Departmental Service Award. 2025
- Award / Honor Recipient: Service Excellence Award, Mathematics Department. 2021
- Award / Honor Recipient: Teaching Excellence Award, Department of Mathematics. December 2020 - 2020
- Award / Honor Nominee: Outstanding Mentor Award Nomination, The Graduate College. November 2020 - December 2020
- Award / Honor Recipient: Teaching Excellence Award, Department of Mathematics. December 2019

Featured service activities
- Graduate Advisor
Assistant Graduate Coordinator for Applied Mathematics
- Organizer
Differential Equations and Applied Math Seminar
- Member
PhD in Math Proposal
- Member
Program & Curriculum committee
- Member
Scheduling Oversight
- Graduate Advisor
Doctoral Program Director, Mathematics
