Roummel F. Marcia
Associate Professor of Applied Mathematics
Director, ARCHIMEDES NSF REU Summer Program
Co-Director, DESCARTES Scholars Program
School of Natural Sciences
University of California, Merced
Mailing address:
School of Natural Sciences
University of California, Merced
5200 North Lake Road
Merced, CA 95343

Office: 331 S&E Bldg
Phone: (209) 228-4874

Research areas: Nonlinear nonconvex optimization, mathematical signal processing and compressive sampling, numerical linear algebra, and computational biochemistry. My research is currently supported by NSF Grant CMMI 1333326.


  • October: 2015 SIAM Conference on Applied Linear Algebra "Numerical linear algebra in large-scale optimization" mini-symposium organizer.
  • July: 2015 ISMP "Large-scale nonlinear optimization" mini-symposium organizer.
  • May 22: Congratulations to graduate student Lasith Adhikari, whose paper entitled, "p-th power total variation regularization in photon-limited imaging via iterative reweighting," was accepted to EUSIPCO 2015.
  • April 29: Congratulations to Lasith Adhikari, whose paper entitled, "Nonconvex Reconstruction for Low-Dimensional Fluorescence Molecular Tomographic Poisson Observations," (co-authored with Dr. Dianwen Zhu and Prof. Changqing Li) was accepted to the 2015 IEEE International Conference on Image Processing.
  • April 22: Poster presentation at the IEEE International Conference on Acoustics, Speech and Signal Processing in Brisbane, Australia.
  • April 15: Congratulations to graduate student Johannes Brust for being accepted to the San Diego Supercomputer Center UC Graduate Student Summer Fellowship program.
  • April 8: Congratulations to Lasith Adhikari for receiving the UC Merced Graduate Student Opportunity Program Fellowship.
  • April 4: Invited panelist at the Opportunities in Mathematical Sciences: A Workshop for Emerging Scholars at UC Irvine.
  • March 24: Congratulations to Lasith Adhikari for passing his Qualifying Exams and advancing to Ph.D. candidacy.
  • February 6: Invited seminar at the CSU Channel Islands LSAMP Program.
  • January 14: Congratulations to Lasith Adhikari, whose paper entitled, "Nonconvex relaxation for Poisson intensity reconstruction," was accepted to the 2015 IEEE International Conference on Acoustics, Speech and Signal Processing.
  • November 8: Invited panelist on "How to Prepare for Your First Academic Position" at the Field of Dreams Conference in Phoenix, AZ.
  • October 1: EXTREEMS-QED: Data-Enabled Science and Computational Analysis Research, Training and Education for Students (DESCARTES) Program applications open (see here).
  • August 15: Invited talk at the Workshop on Multiscale Modeling and Computation of Nano-Optics, Michigan State University
  • August 8: Campus-wide Undergraduate Research Symposium and end of the ARCHIMEDES Summer REU Program.
  • July 24: Invited lecture at the Pacific Math Alliance PUMP: Preparing Undergraduates through Mentoring at Cal Poly Pomona University.
  • July 8: SIAM Annual Meeting Mini-symposium MS74: Expeditions in Training, Research, and Education for Mathematics and Statistics through Quantitative Explorations of Data. Organizer: Roummel F. Marcia
  • June 9: Start of the ARCHIMEDES Summer REU Program.
  • May 9: Congratulations to Math 24 Teaching Assistant, Jane Hyo Jin Lee, for receiving the 2013-14 School of Natural Sciences Outstanding Teaching Assistant Award.
  • Dr. Seda Senay is now an Assistant Professor at New Mexico Tech. Congratulations, Prof. Senay!


Applied Math
Natural Sciences
UC Merced