Göttingen Collection of Mathematical Models and Instruments

Case number 15

6 spheres with the + and - regions of the easiest spherical functions 6 spheres with the + and - regions of the easiest spherical functions 6 spheres with the + and - regions of Lamé products 6 spheres with the + and - regions of Lamé products
6 spheres with the + and - regions of Lamé products 6 spheres with the + and - regions of Lamé products Four-leaved Riemann surface Riemann surface
Riemann surface Riemann surface Simple winding point of a Riemann surface
Windings point of 1. order on a Riemann surface Windings point of 2. order on a Riemann surface Triple connected Riemann surface

The corresponding bottom case is: Case number U 15

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