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 25

#### Publication Date: 1989

A Theorem of Schur Type for Locally Symmetric Spaces

Nobuhiro INNAMI; 1-4

On extreme points of the unit ball of a non-commutative $L^{P}$ -space with $0 < p\leq 1$

Keiichi WATANABE; 5-10

General Index, No. 1-25 (1964-1989)

11-16