Warren Weckesser
Assistant Professor
314 McGregory Hall
Department of Mathematics
Colgate University
Hamilton, NY 13346
Tel:(315) 228-7228
Fax:(315) 228-7004
Email:wweckesser (at) mail.colgate.edu

Research Interests Education Honors
  • Joaquin B. Diaz Prize, Department of Mathematical Sciences, Rensselaer Polytechnic Institute, 1997
  • Department of Mathematical Sciences Fellowship, Rensselaer Polytechnic Institute, 1991-1993
  • Tau Beta Pi, Engineering Honor Society
  • Eta Kappa Nu, Electrical Engineering Honor Society
  • Essie and Harriet Rader Scholarship, Rensselaer Polytechnic Institute

Academic Positions Grants Undergraduate Research Publications
  1. Stabilization of the inverted linearized pendulum by high frequency vibrations (with Mark Levi), SIAM Review, 37(2), 219-223 (1995)
  2. A ball rolling on a freely spinning turntable, American Journal of Physics, 65(8), (1997) [PDF]
  3. Numerical computation of canards (with J. Guckenheimer and K. Hoffman), Int. J. Bif. Chaos, 10, 2669-2687 (2000) [PDF]
  4. Global bifurcations of periodic orbits in the forced van der Pol equation (with J. Guckenheimer and K. Hoffman), in Global Analysis of Dynamical Systems, H. W. Broer, B. Krauskopf, G. Vegter, eds., Inst. of Physics Publ., Bristol, (2001)
  5. Non-holonomic systems as singular limits for rapid oscillations (with Mark Levi), Ergodic Theory and Dynamical Systems, 22(5), 1497-1506 (2002)
  6. The forced van der Pol equation I: the slow flow and its bifurcations (with J. Guckenheimer and K. A. Hoffman), SIAM Journal on Applied Dynamical Systems, 2(1), 1-35 (2003) [PDF]
  7. Resonance in the menstrual cycle: a new model of the LH surge (with M. L. Zeeman and D. Gokhman), Reproductive BioMedicine Online, 7(3), (2003) [PDF]
  8. The forced van der Pol equation II: canards in the reduced system (with K. Bold*, C. Edwards*, J. Guckenheimer, S. Guharay*, K. Hoffman, J. Hubbard*, and R. Oliva), SIAM Journal on Applied Dynamical Systems, 2(4) 570-608 (2003) [PDF]
    (*Undergraduate student.)
  9. Canards and horseshoes in the forced van der Pol equation, Equadiff 2003, Proc. of the Int. Conf. on Diff. Eq., Hasselt, Belgium, F. Dumortier, H. Broer, J. Mawhin, A. Vanderbauwhede, and S Verduyn Lunel, eds. World Scientific, 2005. [PDF]
  10. Bifurcations of relaxation oscillations near folded saddles (with J. Guckenheimer and K. Hoffman), Int. J. Bif. Chaos 15(11), (2005).
Submitted Papers Other Reports Software Presentations Professional Activity