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Ben Brubaker

Ben Brubaker

Cecil and Ida B. Green Career Development Chair
Associate Professor
Department of Mathematics
Room 2-267
Cambridge, MA 02139

(617) 253-4079
(617) 253-4358
Email: brubaker@math.mit.edu

somewhat current CV (PDF)
(last updated Spring, 2010)


My primary research interests are analytic number theory and representation theory. More specifically, I work on problems in automorphic forms and their generalizations on arithmetic covering groups.

This work is supported by an NSF Career Grant (DMS-0844185), the James Ferry, Jr. Fund for Innovation in Research Education, and a Cecil and Ida B. Green Career Development Chair.

Below is a list of recent publications and preprints. Collaborative work with Dan Bump, including many supporting materials on multiple Dirichlet series, can also be found in the Papers section of his home page. He does a better job of keeping current, so you could try there first.

Graduate Students at MIT

I currently have one graduate student working with me, and three that graduated with a Ph.D. in the last two years. Their names, interests, and first jobs are listed below:

Undergradute Student Research at Stanford

  • Bob Hough, Stanford Class of '07, wrote a comprehensive Summer Research Journal on Gauss sums, culling from Ireland and Rosen; Berndt, Evans, and Williams; and papers of Weil, Yamamoto, etc. with some original synthesis.
  • Carl Erickson, Stanford Class of '07, has been working on behavior of the Riemann Zeta Function in the critical strip. The resulting article appeared in the Stanford Undergraduate Research Journal and can be found in the Spring 2005, Issue 4 of SURJ.
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    Teaching at MIT ('06 - present)

    For Fall '11, I'm teaching 18.03 -- Differential Equations.

    During the '10-'11 academic year, I taught a seminar on additive number theory from Nathanson's books and a graduate course in automorphic forms (1/2 classical, 1/2 analytic aspects from Borel's book). I tried to write detailed course notes -- some of which are little more than recasting of notes of Milne, or Shimura's book, or Borel's book. They are available here: 18.785 notes.

    During the '09-'10 academic year, once again I taught 18.01, first-year calculus and was on Junior Leave in Spring '10.

    For Spring '09, I taught 18.786: Topics in Algebraic Number Theory on "Tate's Thesis," closely following the books of Ramakrishnan-Valenza ("Fourier Analysis on Number Fields" -- the actual name for Tate's thesis) and the classic Weil's "Basic Number Theory." There was no course website.

    During Fall '08, I taught 18.01, first-year calculus, using Simmons. (These course webpages are retired each semester, as their contents are used in future semesters.)

    During Spring '08, I taught 18.784: The Mathematical Legacy of Ramanujan, a small seminar course. I hope to eventually put up students' final projects, which were outstanding and original.

    For Fall, '07, I taught 18.781: Theory of Numbers, a first course in number theory using Niven, Zuckerman, and Montgomery, but also featuring special topics like cubic reciprocity based on the treatment in Ireland and Rosen's book.

    During Spring '07, I taught 18.103: Fourier Analysis - Theory and Applications. This course covers Lebesgue measure and integration theory and Fourier analysis, using the book by Adams and Guillemin. We'll discuss applications to probability along the way, and if time permits, how both the probability and the Fourier analysis are used in modern analytic number theory.

    For Fall '06, I taught 18.786: Topics in Algebraic Number Theory on "Reciprocity Laws."

    Teaching at Stanford ('03 -'06, Skeletons of the course webpages remain at most links. Email me if you are interested in their contents.)

    During the Spring quarter, 2006, I am teaching two courses:

    During the Fall quarter, 2005, I taught Math 51 and Math 248, an introduction to automorphic forms, co-taught with Dan Bump. The course website for Math 51 can be found at:

    For the Spring quarter, 2005, I taught just one course:

    During Winter quarter, 2005, I taught two courses:

    For the Fall quarter, 2004, I taught Math 52: Integral Calculus of Several Variables, a course on integration techniques culminating in the theorems of Stokes, Gauss, and Green.

    During Spring quarter, 2004, I was on leave.

    During Winter quarter, 2004, I taught two courses:


    Other Seminars at MIT and in the Boston Area

    MIT number theory seminar, organized by Bjorn Poonen. TUESDAYS 4:30-5:30 in 2-139 (when there's no BC-MIT seminar).

    MIT STAGE Seminar, Seminar on Topics in Arithmetic, Geometry, Etc., run by Greg Minton, Abhinav Kumar, and Bjorn Poonen - FRIDAYS 11-12, 2-139

    MIT Lie Groups Seminar, organized by David Vogan. WEDNESDAYS, 4:30-5:30, 2-143

    MIT Combinatorics Seminar - WEDNESDAYS AND FRIDAYS, 4:15

    BU Algebra Seminar, which is secretly always about number theory - MONDAYS, 4:15

    Old Seminar Links

    Stanford Representation Theory Seminar 2005-2006

    The topics of this seminar range from arithmetic applications of automorphic representations to combinatorics related to Lie algebra representations. A schedule for this year's seminar can be found at:

    This year, the number theory seminar is jointly run between Stanford and AIM (American Institute of Mathematics). More information about the seminar can be foound at the following link:

    Nat Thiem and I co-chair the Stanford Representation Theory Seminar for the academic year 2004-2005. A preliminary webpage is here:

    Mihran Papikian and I co-chaired the Stanford Number Theory Seminar for the 2003-2004 academic year. A schedule can be found here:



    Collaborators' Websites:


    Ben Brubaker
    Department of Mathematics, 2-267
    Massachusetts Institute of Technology
    77 Massachusetts Ave.
    Cambridge, MA 02139
    Phone: 617-253-4079
    Email: brubaker "at" math "dot" mit "dot" edu

    Last change: October 21, 2011.