| Labute, John: McGill University. Lie algebras and central series of groups, infinite Galois theory and pro-p-groups. Publications. |
| Lagarias, Jeffrey C.: University of Michigan. Computational Complexity Theory, Cryptography, Diophantine Approximation, Discrete and Computational Geometry, Dynamical Systems, Harmonic Analysis; Mathematical Physics, Optimization, Number Theory. Publications, courses. |
| Lalin, Matilde: Institute for Advanced Study, Princeton. Mahler measure. Preprints, publications, talks. |
| Lapid, Erez: Hebrew University of Jerusalem. Automorphic forms, representation theory, trace formula. |
| Lauder, Alan: University of Oxford. Algorithmic number theory, with an emphasis on problems related to multivariate polynomials over finite fields. |
| Leibman, Alexander: Ohio State University. Combinatorial number theory. Preprints. |
| Lemmermeyer, Franz: Bilkent University. Algebraic number theory, elliptic curves. Papers, lecture notes, texts. |
| Lemurell, Stefan: Chalmers University of Technology / Goteborg University. Automorphic forms. Publications, tables of Maass forms. |
| Li Daxing: Shandong University. The Goldbach conjecture; Cryptography and computer science |
| Lim Chong Hai: National University of Singapore. Algebraic number theory. |
| Lindenstrauss, Elon: Ergodic theory, dynamical systems, and their applications to number theory. Publications. |
| Ling San: Nanyang Technological University, Singapore. Applications of number theory to cryptography, coding theory and combinatorial designs. |
| Liu Jianya: Shandong University. Additive number theory; Automorphic forms; L-functions. |
| Liu, Yu-Ru: University of Waterloo, Ontario. Analytic number theory; Probabilistic number theory; Elliptic Curves; Circle method; Function fields. |
| Long, Ling: Iowa State University. Modular forms for non-congruence subgroups; Modularity of elliptic and K3 surfaces; Arithmetic of Calabi-Yau varieties and applications. |
| Lozano-Robledo, Alvaro: Cornell University, USA. Algebraic number theory: Class numbers and Elliptic curves. Publications, articles, elliptic curve tables and Pari code. |
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