The Nihonkai Mathematical Journal publishes original contributions in all disciplines in mathematics. Between 1964 and 1989, the journal was known as the Science Reports of Niigata University. Series A, Mathematics. Prior to that, Niigata University published mathematical literature as part of the Journal of the Faculty of Science, Niigata University. Series I, Mathematics, Physics and Chemistry.
Number 7
Publication Date: 1969
Note On Positive Linear Maps Of Banach Algebras With An Involution
Seiji WATANABE; 17-21
On 3-dimensional Riemannian Manifolds Satisfying A Certain Condition On The Curvature Tensor
Kouei SEKIGAWA and Hitoshi TAKAGI; 23-27
On 4-dimensional Connected Einstein Spaces Satisfying The Condition $R(X, V)\cdot R=0$
Kouei SEKIGAWA; 29-31
Science Reports of Niigata University. Series A, Mathematics
