Arizona Winter School 2009: Quadratic Forms The 2009 Arizona Winter School was held from March 14-18, 2009 at the University of Arizona in Tucson, AZ. Schedule and other important information Speakers: Manjul Bhargava: The parametrization of rings of small rank, lecture notes, course outline, project outline and wiki. John Conway: The genus of a quadratic form, notes (partial and preliminary) and wiki. Noam Elkies: Theta functions of lattices, draft lecture notes, course and project outline and wiki. Jonathan Hanke: Quadratic forms and automorphic forms, draft of lecture notes, course and project outline, wiki. Raman Parimala: Some aspects of the algebraic theory of quadratic forms, notes, project description and wiki. Photos Organizers: Fernando Rodriguez-Villegas and David Savitt (main program); Matt Papanikolas, William Stein, Dinesh Thakur (other) Wiki: http://swc-wiki.sagemath.org

The video below may be viewed with many video players. We recommend VLC, which is free and works on Windows, OS X, and Linux. http://www.videolan.org/vlc/ .

• Manjul Bhargava
  • Lecture 1: part 1, part 2
  • Lecture 2: part 1, part 2
  • Lecture 3: part 1, part 2
  • Lecture 4: part 1, part 2
• John Conway
  • Lecture 1: part 1, part 2
  • Lecture 2: part 1, part 2
  • Lecture 3: full lecture
  • Lecture 4: part 1, part 2
• Noam Elkies
  • Lecture 1: part 1, part 2
  • Lecture 2: full lecture
  • Lecture 3: full lecture
  • Lecture 4: full lecture
• Jonathan Hanke
  • Lecture 1: part 1, part 2
  • Lecture 2: part 1, part 2
  • Lecture 3: full lecture
  • Lecture 4: part 1, part 2
• Raman Parimala
  • Lecture 1: full lecture
  • Lecture 2: full lecture
  • Lecture 3: full lecture
  • Lecture 4: full lecture