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My research interests are time dependent. The reason is that I like mathematics, and I like to use mathematics to understand the world we live in (i.e., I am an applied mathematician). Here are two specific research topics of current interest:
Mechanoreception. This is the study of how a living organism senses and then recognizes mechanical stimuli. The mechanoreceptors that I'm presently working on are in the auditory system and in skin. For example, the mechanisms through which skin transduces tactile stimuli from a mechanical to neural signal are not understood. Therefore, the goal of my research is to construct a mathematical model that describes this process. This project involves the study of the nonlinear deformation of skin, the analysis of the dynamics of the tactile receptor, and the study of the nonlinear diffusion associated with the electro-chemical processes in the nerve.
Sleep-Wake Cycle. The goal of this research project is to derive, and then analyze, a physiologically based model of the human sleep-wake cycle. The approach is to use the known properties of the neurotransmitters associated with wake and sleep, and the regions of the brain in which they function, to derive the model. This approach also incorporates, or accounts for, the states of sleep (REM and NREM) and the mechanisms that regulate it (homeostatic drive and circadian synchronization).
Introduction to the Foundations of Applied Mathematics, Springer, 2009. Web page
Introduction to Numerical Methods for Differential Equations, Springer, 2006. Web page
Introduction to Perturbation Methods, Springer-Verlag, New York, 1995.
Mixture Theories for the Mechanics of Biological Tissues, RPI Web Book, 1995. Info Page
RTG (coming soon)
Guggenheim Fellow
Y.C. Fung Young Investigator Award (ASME)
2000 Premier Award for Excellence in Engineering Education Courseware
2001 ASME Curriculum Innovation Award
2002 Award for Innovative Excellence in Teaching, Learning and Technology
2002 Best Paper Award, 13th International Conference on College Teaching and Learning
2007 ICTCM Award for Excellence and Innovation with the Use of Technology in Collegiate Mathematics
2007 Rensselaer Trustee's Outstanding Teacher Award
"GAANN: Graduate Assistance in Areas of National Need ," with M. Cheney, I. Herron, G. Kovacic, F. Li, D. Schwendeman, and V. Roytburd, $1,330,000, Department of Education. [active]
"RTG: Research Training Group in Large-Scale Nonlinear Systems," with G. Kovacic, P. Kramer, F. Li, Y. Lvov, and V. Roytburd, $1,272,000, National Science Foundation. Summary for first three years of grant. [active]
"CSUMS: Computational Science Training in the Mathematical Sciences at Rensselaer," with I. Herron, G. Kovacic, P. Kramer, and V. Roytburd, $1,251,000, National Science Foundation. Summary for first three years of grant. [active]
"Initiative for Vertical Integration of Research and Education in Applied Mathematics," with J. Flaherty, G. Kovacic, J. McLaughlin, and D. Schwendeman, $3,830,000, National Science Foundation. Summary for last two years of grant. [inactive]
"Mathematics and its Applications in Engineering and Science: Building the Links," with W. Boyce, R. Spilker, K. Conner, and J. Wilson, $4,016,000, National Science Foundation. [inactive]
Perturbation Methods Spring '12
Mathematics in Medicine and Biology Fall '11
Intro to Topology Fall '10
Foundations of Applied Mathematics Fall '09
Intro to Math Research Spring '09
Art and Science of Mathemtics II Spring '09
Slides for talk given in Math-6951 (Spring '09)
Calculus II Spring '06
Intro to the Numerical Solutions of Differential Equations Spring '05
Mac Resource Page Recommended software and recreational reading for Mac users.
New Toy Our new cluster.
[CV]314sec GT
Mailing Address:
Office: Amos Eaton 322
E-mail: holmes (@rpi.edu)
Phone: 518-276-6891
FAX: 518-276-2179