Course web pages
When I teach a course, I invariably maintain a web page for that
course. For advanced courses, this page often ends up with material that
may be of use subsequently, so I keep the page up. (For less advanced
courses, I typically take the page down so that I can reuse some of the
lesson material.) For online materials from more mainstream courses, see
MIT OpenCourseWare.

At UC Berkeley:

At MIT:

18.727 (Topics in Algebraic Geometry: rigid
analytic geometry, fall 2004)

18.726 (Algebraic Geometry, spring 2005)

18.786 (Algebraic Number Theory, spring 2006)

18.785 (Analytic Number Theory, spring 2007; see also
these updated notes)

18.787 (Topics in Number Theory: padic
differential equations, fall 2007)

18.726 (Algebraic Geometry, spring 2009)

At UC San Diego:

201A (Topics in
Number Theory: local fields, fall 2010)

203B and 203C (Algebraic Geometry, winter and spring 2013)

205 (Topics in Algebraic Number Theory: padic Hodge Theory; winter 2014)

204B
(Number Theory; winter 2015)

204C
(Number Theory; spring 2015)

203B
and
203C
(Algebraic Geometry, winter and spring 2016)

206A
(Topics in Algebraic Geometry; spring 2016)

204B
(Number Theory; winter 2017)

206A
(Topics in Algebraic Geometry; spring 2017)

220C
(Complex Analysis; spring 2017)