Yukako Kezuka

Research Interest

I work in the field of number theory. My mathematical interests include elliptic curves, Iwasawa theory, special values of L-functions, and the Birch-Swinnerton-Dyer conjecture.

Publications

  • Non-commutative Iwasawa theory of abelian varieties over global function fields, with L-T. Deng, Y-X Li, M. F. Lim, Journal of the Australian Mathematical Society, to appear (2025) (arXiv)

  • Non-vanishing of central L-values of the Gross family of elliptic curves, with Y. Li, Journal of the London Mathematical Society, Volume 111, Issue 6 (2025) (Journal, arXiv)

  • On central L-values and the growth of the 3-part of the Tate-Shafarevich group, International Journal of Number Theory, Volume 19, Number 04, pp. 785-802 (2023) (Journal, arXiv)

  • Tamagawa number divisibility of central L-values of twists of the Fermat elliptic curve, Journal de Théorie des Nombres de Bordeaux, Tome 33, No. 3.2 (2022) pp. 945-970 (Journal, arXiv)

  • A classical family of elliptic curves having rank one and the 2-primary part of their Tate-Shafarevich group non-trivial, with Y. Li, Documenta Mathematica, Volume 25 (2020) pp. 2115-2147 (Journal, arXiv)

  • On the main conjecture of Iwasawa theory for certain non-cyclotomic p-extensions, Journal of the London Mathematical Society, Volume 100, Issue 1 (2019) pp. 107-136 (Journal, arXiv)

  • Analogues of Iwasawa's μ=0 conjecture and the weak Leopoldt conjecture for a non-cyclotomic 2-extension, with J. Choi, Y. Li, Asian Journal of Mathematics, Volume 23, Number 3 (2019) pp. 383-400 (Journal, arXiv)

  • On the p-part of the Birch-Swinnerton-Dyer Conjecture for elliptic curves with complex multiplication by the ring of integers of (√-3), Mathematical Proceedings of the Cambridge Philosophical Society, Volume 164, Issue 1 (2018) pp. 67-98 (Journal, arXiv)

  • Other Writings

  • Gross 楕円曲線の二次ツイストの族の中心 L 値の非消滅について, Proceedings of WINJ2025 (2025) (Article (Japanese))

  • The 𝔐H(G)-Conjecture and Mazur's conjecture for Abelian Varieties over Global Function Fields, RIMS Kokyuroku "Arithmetic aspects of automorphic forms and automorphic representations" (2025) (Article)

  • Which numbers are sums of two cubes?, Proceedings of the Waseda University Number Theory Workshop 2022 (2023) (Article (Japanese))