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Tohoku Mathematical Journal
VOL. 25 · NO. 4 | 1973
 
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Front Matter
Miscellaneous front pages, Tohoku Math. J., Volume 25, Number 4 (1973)
Tohoku Math. J. (2) 25 (4), (1973) Open Access
No abstract available
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Articles
On a structure similar to Sasakian $3$-structure
Isuke Satô
Tohoku Math. J. (2) 25 (4), 405-415, (1973) DOI: 10.2748/tmj/1178241274 Open Access
KEYWORDS: 53C25
No abstract available
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Mean curvatures for holomorphic $2p$-planes in Kählerian manifolds
Shûkichi Tanno
Tohoku Math. J. (2) 25 (4), 417-423, (1973) DOI: 10.2748/tmj/1178241275 Open Access
KEYWORDS: 53C55
No abstract available
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Applications of a Riccati type differential equation to Riemannian manifolds with totally geodesic distributions
Kinetsu Abe
Tohoku Math. J. (2) 25 (4), 425-444, (1973) DOI: 10.2748/tmj/1178241276 Open Access
KEYWORDS: 53C55
No abstract available
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On certain hypersurfaces in a real space form
Takehiro Itoh, Hisao Nakagawa
Tohoku Math. J. (2) 25 (4), 445-450, (1973) DOI: 10.2748/tmj/1178241277 Open Access
KEYWORDS: 53C40
No abstract available
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Transnormal hypersurfaces: generalized constant width for Riemannian manifolds
Seiki Nishikawa
Tohoku Math. J. (2) 25 (4), 451-459, (1973) DOI: 10.2748/tmj/1178241278 Open Access
KEYWORDS: 53C40
No abstract available
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A pinching problem on the second fundamental tensors and submanifolds of a sphere
Masafumi Okumura
Tohoku Math. J. (2) 25 (4), 461-467, (1973) DOI: 10.2748/tmj/1178241279 Open Access
KEYWORDS: 53C40, 53C20
No abstract available
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On compact minimal surfaces with non-negative Gaussian curvature in a space of constant curvature, I
Katsuei Kenmotsu
Tohoku Math. J. (2) 25 (4), 469-479, (1973) DOI: 10.2748/tmj/1178241280 Open Access
KEYWORDS: 53C40
No abstract available
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Some remarks and questions concerning the intrinsic distance
Shoshichi Kobayashi
Tohoku Math. J. (2) 25 (4), 481-486, (1973) DOI: 10.2748/tmj/1178241281 Open Access
KEYWORDS: 32H15
No abstract available
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Some critical mappings
Yosio Mutô
Tohoku Math. J. (2) 25 (4), 487-498, (1973) DOI: 10.2748/tmj/1178241282 Open Access
KEYWORDS: 53C20
No abstract available
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Subgroup of some Lie group as a Riemannian submanifold
Hidekiyo Wakakuwa
Tohoku Math. J. (2) 25 (4), 499-501, (1973) DOI: 10.2748/tmj/1178241283 Open Access
KEYWORDS: 22E15
No abstract available
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$3$-dimensional Riemannian manifolds with dense orbits
Shōbin Kashiwabara
Tohoku Math. J. (2) 25 (4), 503-507, (1973) DOI: 10.2748/tmj/1178241284 Open Access
KEYWORDS: 57E25
No abstract available
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$\alpha $-invariants of some differentiable $S^{1}$-actions
Haruo Suzuki
Tohoku Math. J. (2) 25 (4), 509-520, (1973) DOI: 10.2748/tmj/1178241285 Open Access
KEYWORDS: 57D85, 57E15
No abstract available
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A note on the decomposition of Wille incidence geometry of grade $n$
C. J. Hsu
Tohoku Math. J. (2) 25 (4), 521-525, (1973) DOI: 10.2748/tmj/1178241286 Open Access
KEYWORDS: 06A20, 50A20
No abstract available
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Complex hypersurfaces with $RS=0$ in $C^{n+1}$
Tsunero Takahashi
Tohoku Math. J. (2) 25 (4), 527-533, (1973) DOI: 10.2748/tmj/1178241287 Open Access
KEYWORDS: 53C40
No abstract available
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On the bordism groups of semi-free $S^{a}$-actions
Hiroaki Koshikawa
Tohoku Math. J. (2) 25 (4), 535-539, (1973) DOI: 10.2748/tmj/1178241288 Open Access
KEYWORDS: 57D85
No abstract available
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On ${\rm mod}$ ${\germ C}$ excision theorems
Hideo Ando, Toshio Kamagata, Kenzo Fukuhara
Tohoku Math. J. (2) 25 (4), 541-551, (1973) DOI: 10.2748/tmj/1178241289 Open Access
KEYWORDS: 55D40
No abstract available
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A non-compact Riemannian manifold admitting a transitive group of conformorphisms
Morio Obata
Tohoku Math. J. (2) 25 (4), 553-556, (1973) DOI: 10.2748/tmj/1178241290 Open Access
KEYWORDS: 53C20
No abstract available
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Curvature and spectrum of Riemannian manifold
Kiyotaka Ii
Tohoku Math. J. (2) 25 (4), 557-567, (1973) DOI: 10.2748/tmj/1178241291 Open Access
KEYWORDS: 58G99, 53C20
No abstract available
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On almost complex hypersurfaces of a $K$-space
Sumio Sawaki, Kichiro Takamatsu
Tohoku Math. J. (2) 25 (4), 569-578, (1973) DOI: 10.2748/tmj/1178241292 Open Access
KEYWORDS: 53B35
No abstract available
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Back Matter
Miscellaneous back pages, Tohoku Math. J., Volume 25, Number 4 (1973)
Tohoku Math. J. (2) 25 (4), (1973) Open Access
No abstract available
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