Abstract
We give a sharp extrinsic lower bound for the total geodesic curvature of a closed curve in a space form and discuss the equality case. The case of curves in Euclidean 3-space which is known since a long time by means of integral geometry, is extended here in a new way.
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References
Chakerian, G.D.: An inequality for closed space curves. Pacific Journal of Math. 12 (1962) 53–57
Enomoto, K.: Closed curves in E2 and S2 whose total squared curvatures are almost minimal. Geom. Dedicata 65 (1997) 193–201
Fàry, I.: Sur certaines inégalités géométriques. Acta Sci. Math., Szeged 12 (1950) 117–124
Røgen, P.: Gauss-Bonnet’s theorem and closed Frenet frames. Geom. Dedicata 73 (1998) 295–315
Sakai, T.: Riemannian geometry. Translations of Mathematical Monographs, Vol. 149. Providence, Rhode Island: AMS 1996
Teufel, E.: On the total absolute curvature of closed curves in spheres. Manuscr. Math. 57, (1986) 101–108
Teufel, E.: The isoperimetric inequality and the total absolute curvature of closed curves in spheres. Manuscr. Math. 75, No. 1 (1992) 43–48
Weiner, J.: Isoperimetric inequalities for immersed closed spherical curves. Proc. Amer. Math. Soc. 120 (1994) 501-506
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Dedicated to Elljee and Lucas Zakaria.
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Veeravalli, A.R. On the Geodesic Curvature of Riemannian Loops. Results. Math. 39, 353–356 (2001). https://doi.org/10.1007/BF03322695
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DOI: https://doi.org/10.1007/BF03322695