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AbstractWe introduce and study a new curvature function for plane curves inspired by the weighted mean curvature of M. Gromov. We call it rotational being the difference between the usual curvature and the inner product of the normal vector field and the angular vector field. But, since the problem of vanishing of this curvature involves complicated expressions we define a second rotational curvature. Both these curvatures are computed for several examples.
Analele Universitatii Ovidius Constanta - Seria Matematica – de Gruyter
Published: Mar 1, 2023
Keywords: plane curve; angular vector field; rotational curvature; Primary 53A04; Secondary 53A45, 53A55
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