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On the average curvature of a convex curve in a surface of nonpositive Gaussian curvature


Author: Jin Lu
Journal: Proc. Amer. Math. Soc. 130 (2002), 3693-3699
MSC (2000): Primary 53C45, 58A05; Secondary 52A10, 52A40
DOI: https://doi.org/10.1090/S0002-9939-02-06511-5
Published electronically: May 1, 2002
MathSciNet review: 1920050
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Abstract: In this paper, the upper bound of the average curvature of a convex curve in a simply connected surface of nonpositive Gaussian curvature is obtained.


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Additional Information

Jin Lu
Affiliation: Department of Mathematics, Fudan University, Shanghai 200433, People’s Republic of China
Email: jinluk@online.sh.cn

DOI: https://doi.org/10.1090/S0002-9939-02-06511-5
Keywords: Average curvature, curve, surface
Received by editor(s): October 13, 2000
Received by editor(s) in revised form: July 11, 2001
Published electronically: May 1, 2002
Additional Notes: This work was supported by the Chinese NNSF
Communicated by: Ronald A. Fintushel
Article copyright: © Copyright 2002 American Mathematical Society