376 Altgeld Hall, MC-382
1409 W. Green Street
Urbana, IL 61801
I am a professor in the Department of Mathematics, and served as Director of Graduate Studies in Mathematics (2012-2017) and Associate Chair for Faculty (2021-2024).
Differential equations, mathematical physics and complex analysis, with a specialty in extremal problems.
Ph.D. Mathematics, Washington University in St. Louis, 1993
NSF award #2015431 "Inmas - Internship Network in the Mathematical Sciences", 2020-2023
NSF award #1345032 "PI4: Program for Interdisciplinary and Industrial Internships at Illinois" (co-PI), 2014-2019
Sloan Foundation award "Making way for a New Generation in STEM: A Proposal for The Illinois Sloan University Center of Exemplary Mentoring" (co-PI), 2015-2018
Simons Foundation Collaboration Grant #429422, 2016-2021
Simons Foundation Collaboration Grant #204296, 2011-2016
NSF award #0751046 "Special Meeting: Illinois/Missouri Applied Harmonic Analysis Seminars"
NSF award #0140481 "Wavelet Frames and Bases, and Fourth Order Thin Film Eigenproblems"
Awards and Honors
Campus Award for Excellence in Graduate and Professional Teaching, University of Illinois, 2017
Distinguished Teaching Award for Tenured Faculty, Mathematics Department, University of Illinois, 2016
Campus Award for Excellence in Undergraduate Teaching, University of Illinois, 2003
Dean's Award for Excellence in Undergraduate Teaching, College of Liberal Arts and Sciences, University of Illinois, 2003
Laugesen, R. S., Levy, R., & Santosa, F. (2018). BIG Jobs Guide: Business, Industry, and Government Careers for Mathematical Scientists, Statisticians, and Operations Researchers. Society for Industrial and Applied Mathematics Publications.
Laugesen, R. S. (2021). Well-posedness of Hersch–Szegő’s center of mass by hyperbolic energy minimization. Annales Mathematiques du Quebec, 45(2), 363-390. https://doi.org/10.1007/s40316-020-00151-5
Laugesen, R. S. (2021). Well-Posedness of Weinberger’s Center of Mass by Euclidean Energy Minimization. Journal of Geometric Analysis, 31(9), 8762-8779. https://doi.org/10.1007/s12220-020-00402-5
Freitas, P., & Laugesen, R. S. (2020). From Steklov to Neumann and Beyond, via Robin: The SzegÅ' Way. Canadian Journal of Mathematics, 72(4), 1024-1043. https://doi.org/10.4153/S0008414X19000154
Kwaśnicki, M., Laugesen, R. S., & Siudeja, B. A. (2019). Pólya’s conjecture fails for the fractional Laplacian. Journal of Spectral Theory, 9(1), 127-135. https://doi.org/10.4171/JST/242
Laugesen, R., Levy, R., & Santosa, F. (2019). BIG career developments for mathematics graduate students. Notices of the American Mathematical Society, 66(4), 523-524. https://doi.org/10.1090/noti1859