COLLOQUIA

  1. February 2000 ``Congruent Numbers, Elliptic Curves and Modular Forms'', given in the Department of Mathematical Sciences of Clemson University in Clemson, South Carolina.
  2. February 2000 ``Congruent Numbers, Elliptic Curves and Modular Forms'', given in the Mathematics Department of University of North Texas in Denton, Texas.
  3. February 2000 ``Congruent Numbers, Elliptic Curves and Modular Forms'', given at Bucknell University in Lewisburg, Pennsylvania.
  4. February 2000 ``Congruent Numbers, Elliptic Curves and Modular Forms'', given at Western Carolina University in Cullowhee, North Carolina.
  5. March 2000 ``Congruent Numbers, Elliptic Curves and Modular Forms'', given in the Mathematics Department of University of Missouri in Columbia, Missouri.

INVITED LECTURES

  1. January 2003 Average Frobenius distributions for elliptic curves with non trivial rational torsion subgroups. given in the AMS special session ``Modular Forms, Elliptic Curves, and Related Topics'' at the 2003 Joint Mathematics Meeting in Baltimore, MD.
  2. March 2002 The Lang-Trotter Conjecture on average. given at the AMS special session on Number Theory at the 2002 Spring South East Sectional Meeting in Atlanta, GA.
  3. February 2002 The Lang-Trotter conjecture for elliptic curves with 3-torsion given in the Number Theory Seminar at the University of Georgia, Athens, GA.
  4. March 2001: Average Frobenius distributions for elliptic curves with prescribed torsion subgroup., given at the AMS special session on Number Theory at the 2001 Spring Central Section Meeting in Lawrence, KS.
  5. March 2001: Average Frobenius distributions for elliptic curves with prescribed torsion subgroup., given at the AMS special session on Analytic Number Theory at the 2001 Spring Southeastern Section Meeting in Columbia, SC.
  6. February 2000: What is number theory good for anyway, given at Davidson College in Davidson, North Carolina.
  7. January 2000: ``On Selmer groups of quadratic twists of elliptic curves'', given in the special session, Modular Forms and Elliptic Curves at the 2000 Joint mathematics meetings in Washington DC .
  8. May 1999: ``On Selmer groups of quadratic twists of elliptic curves'', given in the New York Number Theory Seminar at the Department of Mathematics of the Graduate Center of the City University of New York in New York, New York.
  9. December, 1998: `` On Selmer groups of quadratic twists of elliptic curves'' , given at the December 1998 modular forms meeting at the Oberwolfach Institute , Oberwolfach, Germany.
  10. April 14, 1998: ``How to multiply realy fast'', given in the undergraduate informal mathematics seminar at Bucknell College in Lewisburg, PA.
  11. April 5, 1998: `` Density Theorems related to the non-vanishing of L-series of Modular Forms'', given in an AMS special session on Modular Identities and $Q$-series hosted by the Department of Mathematics at Temple University in Philadelphia, PA.
  12. September 1997: `` On quadratic twists of elliptic curves'', given at AMS special session in Number Theory hosted by the Département de mathématiques et de statistique of Universi té de Montréal , Montreal, Canada.
  13. March 1997: `` On quadratic twists of elliptic curves'', given at the Department of Mathematics and Computer Science of Rutgers University , Newark, NJ.
  14. November 1996: ``On quadratic twists of elliptic curves'', given in the Department of Mathematics at University of Missouri , Columbia, MO.