Yazar "Demir, Esma" için listeleme

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Helicoidal surfaces in Minkowski space with constant mean curvature and constant Gauss curvature

Lopez, Rafael; Demir, Esma (De Gruyter, 2014)

We classify all helicoidal non-degenerate surfaces in Minkowski space with constant mean curvature and constant Gauss curvature whose generating curve is a graph of a polynomial or a Lorentzian circle. In the first case ...
Motion groups and circular helices in Lorentz 3-space

Demir, Esma; Yaylı, Yusuf (Academic Journals, 2012)

In this paper, we find the curves which are orbits of of points under the homothetic and helicoidal motion groups in Lorentz 3-space. Also, we show that if these curves are Frenet curves then their curvature and torsion ...