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A splitting theorem for complete manifolds with nonnegative curvature operator
Author:
Maria Helena Noronha
Journal:
Proc. Amer. Math. Soc. 105 (1989), 979-985
MSC:
Primary 53C20
MathSciNet review:
933519
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Abstract: It is shown that any complete, noncompact, simply connected Riemannian manifold with nonnegative curvature operator is isometric to the product of its compact soul (in the sense of Cheeger-Gromoll) and a complete manifold diffeomorphic to a Euclidean space
- [CE]
Jeff
Cheeger and David
G. Ebin, Comparison theorems in Riemannian geometry,
North-Holland Publishing Co., Amsterdam, 1975. North-Holland Mathematical
Library, Vol. 9. MR 0458335
(56 #16538)
- [CG]
Jeff
Cheeger and Detlef
Gromoll, On the structure of complete manifolds of nonnegative
curvature, Ann. of Math. (2) 96 (1972),
413–443. MR 0309010
(46 #8121)
- [CY]
B. Chow and D. Yang, A classification of compact Riemannian manifolds with nonnegative curvature operator, preprint.
- [GH]
S.
Gallot and D.
Meyer, Opérateur de courbure et laplacien des formes
différentielles d’une variété riemannienne,
J. Math. Pures Appl. (9) 54 (1975), no. 3,
259–284 (French). MR 0454884
(56 #13128)
- [H]
Robert
Hermann, On the differential geometry of foliations, Ann. of
Math. (2) 72 (1960), 445–457. MR 0142130
(25 #5523)
- [KW]
Norbert
Kleinjohann and Rolf
Walter, Nonnegativity of the curvature operator and isotropy for
isometric immersions, Math. Z. 181 (1982),
no. 1, 129–142. MR 671719
(84k:53053), http://dx.doi.org/10.1007/BF01214986
- [O]
Barrett
O’Neill, The fundamental equations of a submersion,
Michigan Math. J. 13 (1966), 459–469. MR 0200865
(34 #751)
- [S]
Martin
Strake, A splitting theorem for open nonnegatively curved
manifolds, Manuscripta Math. 61 (1988), no. 3,
315–325. MR
949821 (89g:53066), http://dx.doi.org/10.1007/BF01258442
- [T]
V. A. Toponogov, Spaces with straight lines, Amer. Math. Soc. Transl. 37 (1964), 287-290.
- [Wa]
Gerard
Walschap, A splitting theorem for 4-dimensional
manifolds of nonnegative curvature, Proc. Amer.
Math. Soc. 104 (1988), no. 1, 265–268. MR 958080
(89g:53068), http://dx.doi.org/10.1090/S0002-9939-1988-0958080-5
- [We]
Alan
Weinstein, Positively curved 𝑛-manifolds in
𝑅ⁿ⁺², J. Differential Geometry
4 (1970), 1–4. MR 0264562
(41 #9154)
- [Y
]
Jin-Whan
Yim, Distance nonincreasing retraction on a complete open manifold
of nonnegative sectional curvature, Ann. Global Anal. Geom.
6 (1988), no. 2, 191–206. MR 982765
(90a:53049), http://dx.doi.org/10.1007/BF00133039
- [Y
]
-, Space of souls in a complete open manifold of nonnegative curvature, preprint.
- [CE]
- J. Cheeger and D. Ebin, Comparison theorems in Riemannian geometry, North-Holland, Amsterdam, 1975. MR 0458335 (56:16538)
- [CG]
- J. Cheeger and D. Gromoll, On the structure of complete manifolds of nonnegative curvature, Ann. of Math. (2) 96 (1972), 413-443. MR 0309010 (46:8121)
- [CY]
- B. Chow and D. Yang, A classification of compact Riemannian manifolds with nonnegative curvature operator, preprint.
- [GH]
- S. Gallot and D. Meyer, Opérateur de courbure et Laplacien des formes différentielles d'une variété Riemanniene, J. Math. Pures Appl. 54 (1975), 285-304. MR 0454884 (56:13128)
- [H]
- R. Hermann, On the differential geometry of foliations, Ann. of Math. (2) 72 (1960), 445-457. MR 0142130 (25:5523)
- [KW]
- N. Kleinjohann and R. Walter, Nonnegativity of the curvature operator and isotropy for isometric immersions, Math. Z. 181 (1982), 129-142. MR 671719 (84k:53053)
- [O]
- B. O'Neill, The fundamental equations of a submersion, Michigan Math. J. 13 (1966), 459-469. MR 0200865 (34:751)
- [S]
- M. Strake, A splitting theorem for open nonnegatively curved manifolds, (to appear in Manuscripta Math.) MR 949821 (89g:53066)
- [T]
- V. A. Toponogov, Spaces with straight lines, Amer. Math. Soc. Transl. 37 (1964), 287-290.
- [Wa]
- G. Walschap, A splitting theorem for
-dimensional manifolds of nonnegative curvature, Proc. Amer. Math. Soc. (to appear) MR 958080 (89g:53068)
- [We]
- A. Weinstein, Positive curved
-manifolds in , J. Differential Geom. 4 (1970), 1-4. MR 0264562 (41:9154)
- [Y
] - J.-W. Yim, Distance nonincreasing retraction on a complete open manifold of nonnegative curvature, Ann. Global Anal. Geom. (to appear) MR 982765 (90a:53049)
- [Y
] - -, Space of souls in a complete open manifold of nonnegative curvature, preprint.
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Additional Information
DOI:
http://dx.doi.org/10.1090/S0002-9939-1989-0933519-0
PII:
S 0002-9939(1989)0933519-0
Keywords:
Nonnegative curvature,
soul
Article copyright:
© Copyright 1989 American Mathematical Society
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