Abstract
For a curve Г in a plane, and for any point on this curve, there exists a circle (or a straight line) which is the best approximation at this point of the curve up to third order. The inverse of its radius if the best approximation is a straight line) is called the curvature of the curve at the given point.
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© 2001 Springer Basel AG
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Hélein, F. (2001). Introduction: Surfaces with prescribed mean curvature. In: Constant Mean Curvature Surfaces, Harmonic Maps and Integrable Systems. Lectures in Mathematics. ETH Zürich. Birkhäuser, Basel. https://doi.org/10.1007/978-3-0348-8330-6_1
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DOI: https://doi.org/10.1007/978-3-0348-8330-6_1
Publisher Name: Birkhäuser, Basel
Print ISBN: 978-3-7643-6576-9
Online ISBN: 978-3-0348-8330-6
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