Yu, Chia-Fu
- Academia Sinica, Taiwan. Shimura varieties; Dieudonne modules and p-divisible groups.
- http://www.math.sinica.edu.tw/research/chiafu-e.php

Yang, Jae-Hyun
- Inha University. Automorphic forms, representation theory of Lie groups, invariant theory, moduli of abelian varieties, vector bundles, mirror symmetry.
- http://www.math.inha.ac.kr/~jhyang/

Young, Matthew P.
- American Institute of Mathematics. Arithmetic of elliptic curves. Publications.
- http://www.aimath.org/~myoung/

Yoshitomi, Kentaro
- Kyoto University. Computational number theory. Elliptic curve and Jacobian arithmetic classes for LiDIA.
- http://www.math.kyoto-u.ac.jp/~yositomi/index.en.html

Yamamoto, Yoshihiko
- Osaka University. Class groups, Construction of class fields, Fundamental units, Elliptic curves, Abelian varieties, Jacobians, Automorphic forms, Zeta functions.
- http://www.math.sci.osaka-u.ac.jp/~yamamoto/

Young, Paul Thomas
- College of Charleston. Sequences, L-functions.
- http://math.cofc.edu/faculty/paul/

Yildirim, Yalcin
- Bogaziçi University. Small gaps between consecutive primes.
- http://www.math.boun.edu.tr/instructors/yildirim/yildirim.htm

Yukie, Akihiko
- Tohoku University. Geometric invariant theory, Zeta functions for prehomogeneous vector spaces, Applications to the Oppenheim conjecture.
- http://www.math.tohoku.ac.jp/~yukie/

Ye, Yangbo
- University of Iowa. Automorphic forms, Group representations, Automorphic L-functions, Relative trace formulae, Exponential sums, Distribution of primes.
- http://www.math.uiowa.edu/~yey/

Yang, Tonghai
- SUNY at Stony Brook. Number theory, representation theory, and arithmetic geometry: especially L-functions, Eisenstein series, theta series, Shimura varieties, intersection theory, and elliptic curves.
- http://www.math.sunysb.edu/~thyang/

Yu, Kunrui
- Hong Kong University of Science and Technology. Transcendental number theory, diophantine approximation.
- http://www.math.ust.hk/faculty/makryu/