A characterization of parabola
Bull. Korean Math. Soc. 2008 Vol. 45, No. 4, 631-634
Printed December 1, 2008
Yanhua Yu and Huili Liu
Northeastern University
Abstract : In this paper, the parabola will be characterized as the plane curve whose curvature function and support function satisfy a condition, where we define the support function as the distance from origin to the tangent line.
Keywords : parabola, curvature function, support function
MSC numbers : 53A04, 53C21
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