There are several possibilities of establishing splines on the sphere. Certainly, one can also construct cubic (or other polynomial) splines based on a triangulation of the sphere as a kind of a continuation of the 1D cubic spline concept to the sphere, see, for example, [6, 50, 105, 156, 192].
CITATION STYLE
Michel, V. (2013). Spherical splines. In Applied and Numerical Harmonic Analysis (pp. 145–182). Springer International Publishing. https://doi.org/10.1007/978-0-8176-8403-7_6
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