[7] R. Kozuma, Algebraic proof for the independence of the 2-power cyclotomic units, preprint, (April, 2024).
[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 Ⅱ, 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).
報告集，紀要等
[3] 髙妻倫太郎, 3-同種写像に付随するセルマー群の高速計算アルゴリズム, 博多ワークショップ「組み合わせとその応用」（九州大学マス・フォア・インダストリ研究所）, COE Lecture Note Vol. 48, 114-117, (2013).
[2] 髙妻倫太郎, Genus one fibrations on norm-trace surfaces, 第４回福岡数論研究集会報告集, 61-75, (2009).
[1] 髙妻倫太郎, Selmer groups of elliptic curves related to cyclic cubic extensions, 早稲田大学整数論研究集会2006報告集, 1-10, (2006).