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.

### Volume 5, Number 1

#### Publication Date: 1994

New Criteria For Meromorphic Univalent Functions Of Order $\alpha$

M. K. AOUF and H. M. HOSSEN; 1-11

On A Kaehler Manifold Whose Totally Real Bisectional Curvature Is Bounded From Below

Young Jin Suh; 13-32

Structure of certain solvable j-algebras

HIROSHI NAKAZATO; 33-42

On $*$ -Representations Of Partial $*$ -Algebras

Itsuko Ikeda; 43-59

Classes Of Operators Determined By The Heinz-Kato-Furuta Inequality And The Hölder-McCarthy Inequality

Masatoshi Fujii, Saichi Izumino and Ritsuo Nakamoto; 61-67

Doubly Warped Product And The Periodicity Of Geodesics

Kunio Sakamoto; 69-99

On Sasakian Manifolds with Constant Scalar Curvature whose $C$ -Bochner Curvature Tensor Vanishes

HYUNG RYUL CHOI and U-HANG KI; 101-107