Home Page for Roger Thelwell

College of Science and Mathematics
Department of Mathematics and Statistics

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Roger Thelwell

Associate Professor
Department of Mathematics
Roop Hall, Roop 106
MSC 1911
James Madison University
Harrisonburg, Virginia 22807

Voice: (540) 568-5103
Fax: (540) 568-6857
E-Mail: thelwerj@jmu.edu
WEB: http://educ.jmu.edu/~thelwerj
Schedule: Current

Teaching & Office Hours

In FA22, I am teaching two courses:

MATH 235: Calculus I,

MATH 167: Haynes Scholars Exploratory Research

CURRENT OFFICE HOURS: TBD
M 2-3, Tu 12-1, Wed 11-12 and Fri 10-11, all in Roop 106, or by appointment.

Please ask general questions in a Canvas discussion board. That way everyone can see them and benefit from the answer, and maybe someone in class has an answer for you! If you have a specific question, you can always email me.

via EMAIL: I'll try to answer general Disscussion questions directly on the dicussion board and mention in class, and reply to more specific ones via email. I get a lot of email, though, so put "MATH 235" in your subject line so that my email filter catches it. If it is urgent, use something like this "MATH 235 URGENT"

If you'd like to make an appointment for time not regularly scheduled, please check my weekly calendar for an opening and send me an email request.

In previous semesters at JMU, I've taught:

The Joy of Mathematics: Math 103 (SP17)
Mathematics of Ancient Greece: Math 103 (SM10,SM11,SM13,SM15,SM17,SM22)
Introductory Calculus: Math 205 (SP11,FA15,FA18,SP19,FA20,SP21,FA21)
Calculus with Algebra: Math 231 (FA08,FA09) and 232 (SP07,SP08,SP11,FA14,SP15,SP16,FA16)
Calculus I : Math 235 (FA09,FA11,FA12,FA13)
Calculus II: Math 236 (SP13)
Calculs III: Math 237 (FA12,SP14)
Linear Algebra and Differential Equations: Math 238 (FA13)
Computers & Numerical Algorithms: Math 248 (SP10,FA10,SP12,SP14,SP19,FA20,SP21)
Methods of Applied Calculus: Math 337 (FA15, FA18)
Non-linear Dynamics and Chaos: Math 341 (SP17)
PDE and Fourier Series: Math 440 (FA08, FA09, FA20,FA21)
ODE theory: Math 441 (SP09)
Numerical Analysis: Math 448 (SP16)
Numerical Analysis for ODE: Math 449 (FA16)

Research Interests
I am interested in applying mathematics to physical problems. I have worked on problems from atmospheric science, coupled multi-physics, porous media, and nonlinear waves. I'm currently thinking about analytic continuation and ODE. I use both analytic and numeric techniques, while drawing on aspects of dynamical systems, PDE theory, functional analysis and numerical analysis. More specific information can be found here. Links to papers are found here.
I'm also involved in the M-cubed program, a six-week summer National Research Experience for Undergraduates Program (NREUP) funded by the MAA. Read more about the NREUP, and about the JMU M-cubed program. While the bad news is that we are currently unable to apply for the external funding that supports this program, the good news is that we are ineligible because JMU is national REU site!

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