Associate Professor
Associate Chair
Department of Mathematics
Fordham University
rryham@fordham.edu
Office: JMH 413
(718) 817-3228
Partial differential equations and scientific computing
Education
The Pennsylvania State University, Ph.D., Mathematics, 2006
University of Georgia, B.S., Mathematics, 2001
Spring 2023
MATH 2011 Programming for Math and Science
MATH 3002 Differential Equations
Effects of Tunable Hydrophobicity on the Collective Hydrodynamics of Janus Particles under Flows
S.-P. Fu, B. Quaife, R. J. Ryham, Y.-N. Young arXiv:2208.03549, 2022 BibTeX |
Two-Dimensional Vesicle Hydrodynamics from Hydrophobic Attraction Potential
S.-P. Fu, B. Quaife, R. J. Ryham, Y.-N. Young Journal of Fluid Mechanics, Volume 941, 2022, A41 BibTeX |
Simulation of multiscale hydrophobic lipid dynamics via efficient integral equation methods
S.-P. Fu, R. J. Ryham, A. Klöckner, M. Wala, S. Jiang, Y.-N. Young Multiscale Modeling & Simulation, 18(1), 2020, 79—103 BibTeX |
Boundary asymptotics for a non-neutral electrochemistry model with small Debye length
C.-C. Lee and R. J. Ryham Zeitschrift für angewandte Mathematik und Physik, 69(2), 2018, 41 BibTeX |
On the viscous flows of leak-out and spherical cap natation R. J. Ryham Journal of Fluid Mechanics, Volume 836, 2018, 502—531 BibTeX
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The hemifusion structure induced by influenza virus haemagglutinin is
determined by physical properties of the target membranes P. Chlanda, E. Mekhedov, H. Waters, C. L. Schwartz, E. R. Fischer, R. J. Ryham, F. S. Cohen, P. S. Blank and J. Zimmerberg Nature Microbiology, 1, 2016, 16050 BibTeX |
Calculating Transition Energy Barriers and Characterizing Activation States for Steps of Fusion
R. J. Ryham, T. S. Klotz, L. Yao and F. S. Cohen Biophysical Journal 110, 2016, 1110—1124 BibTeX |
Stokes Flow for a Shrinking Pore
C. A. Aubin and R. J. Ryham Journal of Fluid Mechanics, Voluem 788, 2016, 228—245 BibTeX |
The Aqueous Viscous Drag of a Contracting Open Surface
F. S. Cohen and R. J. Ryham Physics of Fluids, 26(2), 2014, 023101 BibTeX Preprint |
Teardrop Shapes Minimize Bending Energy of Fusion Pores Connecting Planar Bilayers
R. J. Ryham, M. Ward and F. S. Cohen Physical Review E, 88, 2013, 062701 BibTeX |
Cutting Corners in Michell Trusses
E. Figueroa, A. Hill, D. Iusco and R. J. Ryham Portugaliae Mathematica, 69,2012, 95—112 BibTeX |
A Dynamic Model of Open Vesicles in Fluids
R. J. Ryham, F. S. Cohen and R. Eisenberg Communications in Mathematical Sciences, 10, 2012, 1273—1285 BibTeX |
Aqueous Viscosity is the Primary Source of Friction in Lipidic Pore Dynamics
R. J. Ryham, I. Berezovik, and F. S. Cohen Biophysical Journal, 101, 2011, 2929—2938 BibTeX |
Mathematical models for the deformation of electrolyte droplets
R. J. Ryham, C. Liu, and L. Zikatanov Discrete and Continuous Dynamical Systems B, 8, 2007, 649—661 BibTeX |