Published: 1968 Received: March 14, 1968Available on J-STAGE: September 26, 2006Accepted: -
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Date of correction: September 26, 2006Reason for correction: -Correction: CITATIONDetails: Right : [1] J. F. Adams, On the non-existence of elements of Hopf invariant one, Ann. of Math., 72 (1960), 20-104. [2] J. Adem, Relations on iterated reduced powers, Proc. Nat. Acad. Sci. U. S. A., 39 (1953), 636-638. [3] M. Berger, Les variétés riemanniennes 1/4-pinchees, Ann. Scuola Nor. Sup. Pisa, 14 (1960), 161-170. [4] L. W. Green, Auf Wiedersehensfläche, Ann. Of Math., 78 (1963), 289-299. [5] W. Klingenberg, Contributions to Riemannian geometry in the large, Ann. of Math., 69 (1959), 654-666. [6] W. Klingenberg, Neue Ergebnisse über konvexe Flächen, Comm. Math. Helv., 34 (1960), 17-36. [7] S. B. Myers and N. E. Steenrod, The group of isometries of a Riemannian manifold, Ann. of Math., 40 (1939), 400-416. [8] H. Nakagawa, A note on theorems of Bott and Samelson, J. Math. Kyoto Univ., 7 (1967), 205-220. [9] T. Otsuki, On focal elements and the spheres, Tôhoku Math. J., 17 (1965), 285-304. [10] H. E. Rauch, A contribution to differential geometry in the large, Ann. of Math., 54 (1951), 38-55.
Date of correction: September 26, 2006Reason for correction: -Correction: PDF FILEDetails: -