Project Euclid

References

• [1] M. Berger, Sur les groupes d'holonomie homogenes des varietes a connexion affine et des varietes riemaniennes, Bull. Soc. Math. France 83 (1955) 229-230.
  Zentralblatt MATH: 0068.36002
  Mathematical Reviews (MathSciNet): MR79806
  
• [2] S. Bochner, Vector fields and Ricci curvature, Bull. Amer. Math. Soc. 52 (1946) 776-797.
  Zentralblatt MATH: 0060.38301
  Mathematical Reviews (MathSciNet): MR18022
  Digital Object Identifier: doi:10.1090/S0002-9904-1946-08647-4
  Project Euclid: euclid.bams/1183509635
  
• [3] J. Cheeger and D. Gromoll, The structure of complete manifolds of nonnegative curvature, Bull. Amer. Math. Soc. 74 (1968) 1147-1150.
  Zentralblatt MATH: 0169.24101
  Mathematical Reviews (MathSciNet): MR232310
  Digital Object Identifier: doi:10.1090/S0002-9904-1968-12088-9
  Project Euclid: euclid.bams/1183530120
  
• [4] J. Cheeger and D. Gromoll, On the structure of complete manifolds of nonnegative curvature, to appear in Ann. of Math.
  Zentralblatt MATH: 0246.53049
  Mathematical Reviews (MathSciNet): MR232310
  Digital Object Identifier: doi:10.1090/S0002-9904-1968-12088-9
  Project Euclid: euclid.bams/1183530120
  
• [5] J. Milnor, A note on curvature and fundamental group, J. Differential Geometry 2 (1968) 1-7.
  Zentralblatt MATH: 0162.25401
  Mathematical Reviews (MathSciNet): MR232311
  Project Euclid: euclid.jdg/1214501132
  
• [6] S. B. Myers, Riemannian manifolds with positive mean curvature, Duke Math. J. 8 (1941) 401-404.
  Zentralblatt MATH: 0025.22704
  Mathematical Reviews (MathSciNet): MR4518
  Digital Object Identifier: doi:10.1215/S0012-7094-41-00832-3
  Project Euclid: euclid.dmj/1077492655
  
• [7] V. A. Toponogov, Riemannian spaces which contain straight lines, Amer. Math. Soc. Transl. (2) 37 (1964) 287-290.
  Zentralblatt MATH: 0138.42902
  
• [8] J. A. Wolf, Discrete groups, symmetric spaces, and global holonomy, Amer. J. Math. 84 (1962) 527-542.
  Zentralblatt MATH: 0116.38602
  Mathematical Reviews (MathSciNet): MR148013
  Digital Object Identifier: doi:10.2307/2372860
  JSTOR: links.jstor.org