山口 忠志

Axioms and Jacobi vector fields of Hadamard Manifolds 

Memoire of the Faculty Science, Kyushu University, Series A 44(2) 1990年  

The estimates for Ricci and scalar curvatures of Brieskorn manifolds W^2n-1 (d) 

Mathematical Reports of College of General Education, Kyushu Univ. 13(2) 1982年  

Sectional curvatures of W^2n-1 (d) 

Memoire of the Faculty Science, Kyushu University, Series A. 35(2) 1981年  

On the comparison of geodesic triangles on manifolds whose sectional curvatures are upper-bounded 

Mathematical Reports of College of General Education, Kyushu Univ. 11(1) 1977年  

On certain positively curved submanifolds in Kaehler manifolds 

Mathematical Reports of College of General Education, Kyushu Univ. 7(2) 1970年  

種々の比較定理について 

数学 21(2) 1969年  

On various comparison theorems 

Mathematics 21(2) 1969年