Elliptic curves, and related issues in Number theory.
Preprints & Reprints
[6] R. Kozuma, An explicit expression of the Lerch zeta function on maximal domains of holomorphy, preprint, (2022).
[5] R. Kozuma, On the rank of elliptic curves in elementary cubic extensions, J. Numbers, Vol. 2015, 1-4, (2015).
[4] R. Kozuma, Formal groups and relative Kummer theory, preprint, (2013).
[3] R. Kozuma, Elliptic curves related to cyclic cubic extensions ‡U, Comment. Math. Univ. St. Pauli, Vol. 62, No. 1, 31-58, (2013).
[2] R. Kozuma, A note on elliptic curves with a rational 3-torsion point, Rocky Mountain J. of Math., Vol. 40, No. 4, 1227-1256, (2010).
[1] R. Kozuma, Elliptic curves related to cyclic cubic extensions, International Journal of Number Theory, Vol. 5, No. 4, 591-623, (2009).
Other publications
[3] R. Kozuma, A quick algorithm for calculation of Selmer groups associated to 3-isogenies, Hakata workshop, combinatrics and its applications, Math-for-industry in Kyushu University, COE Lecture Note Vol.48, 114-117, (2013).
[2] R. Kozuma, Genus one fibrations on norm-trace surfaces, The 4-th Fukuoka Workshop on Number Theory, 61-75, (2009).
[1] R. Kozuma, Selmer groups of elliptic curves related to cyclic cubic extensions, Number Theory Meeting at Waseda University, 1-10, (2006).