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Location of the weighted Fermat–Torricelli point on the K-plane

  • Anastasios N. Zachos EMAIL logo
Published/Copyright: September 7, 2013

Summary

We obtain the equations that allow us to compute the position of the weighted Fermat-Torricelli point on the two dimensional sphere SK2 of constant Gaussian curvature K and on the two dimensional hyperbolic plane HK2 of constant Gaussian curvature K for K <0; by introducing a method of symmetrical differentiation of a length of a geodesic arc with respect to two variable lengths of geodesic arcs, respectively. The method of differentiating a length of a geodesic arc with respect to two variable lengths of geodesic arcs is a generalization of the first variation formula of the length of a geodesic arc with respect to one variable length of geodesic arc on the K-plane.

Published Online: 2013-09-07
Published in Print: 2013-09

© 2013 Oldenbourg Wissenschaftsverlag GmbH, Rosenheimer Str. 145, 81671 München

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