Chen Gackstatter Minimal Surface

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About the Chen-Gackstatter Minimal Surface and its Analogs with Higher Dihedral Symmetry

This surface is the first finite total curvature immersion of a Riemann surface of genus ≻ 0 (here the square Torus).

It looks like an Enneper Surface with a handle added parallel to its center saddle. This description determines the Gauss map only up to a multiplicative constant (cc), which we took as the morphing parameter. If this parameter is general then we get a doubly periodic minimal immersion of the plane. The morphing indicates how the period can be closed for one value of cc with the intermediate value theorem. The resemblance with the standard Enneper Surface is emphasized by using polar coordinates around the puncture. The dd=3 surface is an analogue which can be viewed as a higher order (120 degree symmetric) Enneper Surface with a Y-shaped handle glued in. It was first published in a 1988 Vieweg Calendar by Polthier and Wohlgemuth....

Formulas are from:

For a discussion of techniques for creating minimal surfaces with various qualitative features by appropriate choices of Weierstrass data, see:

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