Associate Professor, Applied Mathematics

Year Started at JMU: 2007

thelwerj@jmu.edu

Contact Info

Website: http://educ.jmu.edu/~thelwerj/

Research Description
  • Sensitivity and stability of solutions to differential equations
  • Inverse problems
  • Automatic differentiation
  • Taylor methods
Education
  • PhD in Mathematics, 2004, Colorado State University
  • MS in Mathematics, 2002, Colorado State University
  • BA, 1991, St. Mary's College of Maryland
Select Publications
  • James S. Sochacki, Roger Thelwell & Anthony Tongen (2019) Forced Differential Equations: Problems to Impact Intuition, PRIMUS, 29:6, 527-540, DOI: 10.1080/10511970.2018.1472159
  • Anthony Tongen, Roger Thelwell, David Becerra Alonso (2013) Reinventing the Wheel: The Chaotic Sandwheel AJP 81:2 127-133 DOI: 10.1119/1.4768893
  • D.C. Carothers et al (2012) Connections between Power Series Methods and Automatic Differentiation AD2012 proceedings: Recent Advances in Algorithmic Differentiation, Springer Chp 15, 175-186.

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