Vol. 33, No. 1 (January, 1981)
G. Takeuti and M. Yasugi
An accessibility proof of ordinal diagrams
1−21
H. Wakakuwa
Nonexistence of irreducible birecurrent Riemannian manifold of dimension ≥ 3
23−29
Y. Doi
Homological coalgebra
31−50
R. Sakai
Approximation of certain classes of periodic functions with many variables
51−65
K. Yano and H. Hiramatu
Isometry of Kaehlerian manifolds to complex projective spaces
67−78
H. Wu
Some theorems on projective hyperbolicity
79−104
U. V. Satyanarayana and M. L. Weiss
Restricted principal values of bounded analytic and harmonic functions
105−123
T. Arakawa
The dimension of the space of cusp forms on the Siegel upper half plane of degree two related to a quaternion unitary group
125−145
T. Kaneto
On presentations of the fundamental group of the 3-sphere associated with Heegaard diagrams
147−158
M. Hamana
Regular embeddings of
C
*
-algebras in monotone complete
C
*
-algebras
159−183
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