Mathematical Journal of Okayama University (ISSN 0030-1566)

Vol. 20, No.1 (March, 1978)

HOKAMA, Kenji and KÔNO, Susumu

On the fixed point set of S¹-actions on the complex flag manifolds

1 - 16 pdf
KAYA, Arif

On rings satisfying some polynomial identities

17 - 20 pdf
MOGAMI, Isao and HONGAN, Motoshi

Note on commutativity of rings

21 - 24 pdf
YOSHIDA, Tomoyoshi

Simply connected smooth 4-manifolds which admit nontrivial smooth S¹ actions

25 - 40 pdf
YORINAGA, Masataka and UCHIYAMA, Saburô

Notes on a conjecture of P. Erdös. II

41 - 49 pdf
YORINAGA, Masataka

Numerical investigation of some equations involving Euler's φ-function

51 - 58 pdf
MOTOSE, Kaoru

On a theorem of S. Koshitani

59 - 65 pdf
HIRANO, Yasuyuki and TOMINAGA, Hisao

Two commutativity theorems for rings

67 - 72 pdf
IKEHATA, Shûichi

Note on the n-center of an algebra

73 - 76 pdf
SRIVASTAVA, J. B. and GUPTA, Vishnu

Restricted semiprimary group rings

77 - 82 pdf
TSUSHIMA, Yukio

On the p′-section sum in a finite group ring

83 - 86 pdf
NOBUSATO, Yoshiyasu

On the p-rationality of lifted characters

87 - 89 pdf

KUTAMI, Mamoru and OSHIRO, Kiyoichi

Direct sums of nonsingular indecomposable injective modules

91 - 99 pdf
KANEMITSU, Shigeru

On some sums involving farey fractions

101 - 113 pdf
O'NEILL, John D.

Covers of abelian groups

115 - 121 pdf
YUE CHI MING, Roger

On generalizations of V-rings and regular rings

123 - 129 pdf
MURASE, Ichiro and TOMINAGA, Hisao

On powers of artinian rings without identity

131 - 140 pdf
HIRANO, Yasuyuki

Some studies on strongly π-regular rings

141 - 149 pdf
YORINAGA, Masataka

Numerical computation of Carmichael numbers

151 - 163 pdf
NAKAJIMA, Atsushi

The monoid structure of Galois H-dimodule algebras induced by the smash product

165 - 177 pdf
KISHIMOTO, Kazuo and MOGAMI, Isao

Commutativity of certain rings

179 - 181 pdf