The Tohoku Mathematical Journal is published quarterly by the Mathematical Institute of Tohoku University. Founded by T. Hayashi, the journal was started in August 1911 as the first mathematical journal in Japan. From its inception, the journal was a truly international research publication, accepting qualified original articles on pure and applied mathematics.
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Volume 61, Number 4
Publication Date: 2009
Table of Contents, Tohoku Math. J. (2), vol. 61, no. 4 (2009)
New estimates for eigenvalues of the basic Dirac operator
Seoung Dal Jung, Soon Chan Kim and Jeong Hyeong Park; 441-453
Singularities of tangent lightcone map of a timelike surface in Minkowski 4-space
Lingling Kong and Donghe Pei; 455-473
Effective base point free theorem for log canonical pairs---Kollár type theorem
Osamu Fujino; 475-481
Localization for branching Brownian motions in random environment
Yuichi Shiozawa; 483-497
Isometric immersions of Euclidean plane into Euclidean 4-space with vanishing normal curvature
Hiroshi Mori and Norio Shimakura; 523-550
The ideal class group of the $\boldsymbol{Z}_p$-extension over the rationals
Kuniaki Horie and Mitsuko Horie; 551-570
The Laplacian and the heat kernel acting on differential forms on spheres
Masayoshi Nagase; 571-588
Integral points on threefolds and other varieties
Pietro Corvaja, Aaron Levin and Umberto Zannier; 589-601
Tohoku Mathematical Journal