Number Theory:

• Measuring the Growth of Geodesic Lengths Associated to Selected Subgroups of SL(3,R)
  Presented at Québec-Maine Number Theory Conference, Laval University, Québec
  
  
• Class Numbers of Quadratic Fields and the Primitive Geodesic Theorem, (Taken from a paper by P. Sarnak)
  Presented at Dartmouth Number Theory Seminar, November 10, 2005
  
  
• The Selberg Zeta Function on PSL(2,R)
  Presented at Dartmouth Number Theory Seminar, May 4 & 11, 2004
  
  
• Hecke L-Series: Analytic Continuation and a Functional Equation (pdf), (Taken from Analytic Number Theory, by L. Goldstein)
  Presented at Dartmouth Number Theory Seminar, April 27, 2004
  
  
• A Panorama of Zeta Functions (pdf), (Taken from a paper by A. Deitmar)
  Presented at Dartmouth Number Theory Seminar, November 13, 2003

General Mathematics:

• Two Ways to Prove the Riemann Hypothesis
  Presented at Dartmouth Graduate Student Seminar, July 17, 2006
  
  
• The History and Mathematics of the Riemann Zeta Function on the Positive Integers (pdf)
  Presented at Dartmouth Graduate Student Seminar, Apr. 19, 2005, and Keene State College Mathematics Colloquium, Oct. 27, 2006
  
  
• The Prime Number Theorem and Connections to the Riemann Hypothesis
  Presented at Dartmouth Number Theory Seminar, Oct. 5, 2004

History of Mathematics:

• Bernoullis and p-Adic Numbers
  Presented at Dartmouth Graduate Student Seminar, July 14, 2005
  
  
• Fermat, Kummer, and the Beginnings of Algebraic Number Theory
  Presented at Dartmouth Graduate Student Seminar, January 18, 2007
  
  
• The Berlin Academy, The St. Petersburg Academy, The Paris Academy, The Turin Society
  Various historical vignettes; currently available at The Euler Archive.