We use cookies to distinguish you from other users and to provide you with a better experience on our websites. Close this message to accept cookies or find out how to manage your cookie settings.
Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
We prove an analogue of mean curvature comparison theorem in the case where the Ricci curvature below a positive constant is small in ${{L}^{1}}$-norm.
[CK]Croke, C. and Karcher, H., Volumes of small balls on open manifolds: lower bounds and examples. Trans. Amer.Math. Soc. 309 (1988), 753–762.Google Scholar
[G]
[G]Gallot, S., Isoperimetric inequalities based on integral norms of Ricci curvature. Ast érisque 18 (1983), 191–216.Google Scholar
[P]
[P]Paeng, S.-H., A sphere theorem under a curvature perturbation II. Kyushu J. Math. 52(1998) 439–454.Google Scholar
[PS]
[PS]Petersen, P. and Sprouse, C., Integral curvature bounds, distance estimates and applications. J. Differential Geom. 50 (1998), 269–298.Google Scholar
[S]
[S]Sprouse, C., Integral curvature bounds and bounded diamter. Comm. Anal. Geom. 8 (2000), 531–543.Google Scholar