Heuberger, Clemens
- Technische Universität Graz. Diophantine equations, especially Thue equations; Digit expansions; Graph theory; Combinatorial optimization. Publications.
- http://www.opt.math.tu-graz.ac.at/~cheub/

Holdener, Judy
- Kenyon College. Odd perfect numbers; theoretical morphology. Teaching technology, GAP projects.
- http://www2.kenyon.edu/People/holdenerj/

Hahn, Heekyoung
- University of Rochester. q-series, continued fraction, theta functions, partitions, modular forms, Eisenstein series, special functions; elliptic curves, coding theory and the philosophy of mathematics. List of publications.
- http://www.math.rochester.edu/people/faculty/hahn/

Helfgott, Harald A.
- Université de Montréal. Number theory, elliptic curves, automorphic forms, combinatorics. Publications, teaching materials.
- http://www.dms.umontreal.ca/~helfgott/

Hare, Kevin G.
- University of Waterloo. Algebraic numbers, polynomials. Publications, worksheets.
- http://www.math.uwaterloo.ca/~kghare/

Harcos, Gergely
- University of Texas at Austin. Automorphic forms. Publications, thesis.
- http://www.math.utexas.edu/~gharcos/thesis.pdf

Hajir, Farshid
- California State University, San Marcos. Elliptic curves, extensions with restriced ramification, and special values of L-functions. On-line seminar, teaching information.
- http://public.csusm.edu/public/fhajir/

Hess, Florian
- Technische Universität Berlin. Algebraic function fields, algebraic number fields and algorithms.
- http://www.math.tu-berlin.de/~hess/

Hughes, Chris
- University of Michigan. Application of random matrix theory to the Riemann zeta function and other L-functions. Publications, resources.
- http://www.aimath.org/~hughes/

Howson, Susan
- University of Oxford. Arithmetic of elliptic curves, Iwasawa theory, p-adic L-functions and the theory of Euler systems. Papers, seminars and other resources.
- http://www.maths.ox.ac.uk/~howson/