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 1
Publication Date: 2009
Complete classification of parallel surfaces in 4-dimensional Lorentzian space forms
Bang-Yen Chen and Joeri Van der Veken; 1-40
On the boundedness of singular integrals with variable kernels
Qingying Xue and Kôzô Yabuta; 41-65
On relation between pseudo-Hermitian symmetric pairs and para-Hermitian symmetric pairs
Tomonori Noda and Nobutaka Boumuki; 67-82
On mixed Hodge structures of Shimura varieties attached to inner forms of the symplectic group of degree two
Takayuki Oda and Joachim Schwermer; 83-113
Tohoku Mathematical Journal