Properly embedded minimal planar domains with infinite topology are Riemann minimal examples

Details Properly embedded minimal planar domains with infinite topology are Riemann minimal examples Properly embedded minimal planar domains with infinite topology are Riemann minimal examples

2009-09-12

arxiv.org/abs/0909.2326v1

Mathematics

Differential Geometry

67 pages, 2 figures. Notes for the lectures given in the "2008 Current Developments in Mathematics" meeting

Scientific paper

These notes outline recent developments in classical minimal surface theory that are essential in classifying the properly embedded minimal planar domains M in R^3 with infinite topology (equivalently, with an infinite number of ends). This final classification result by Meeks, Perez, and Ros states that such an M must be congruent to a homothetic scaling of one of the classical examples found by Riemann in 1860. These examples {\cal R}_s, 0}, are singly-periodic and intersect each horizontal plane in R^3 in a circle or a line parallel to the x-axis. Earlier work by Collin, Lopez and Ros and Meeks and Rosenberg demonstrate that the plane, the catenoid and the helicoid are the only properly embedded minimal surfaces of genus zero with finite topology (equivalently, with a finite number of ends). Since the surfaces {\cal R}_s converge to a catenoid as s tends to 0 and to a helicoid as s tends to infinity, then the moduli space {\cal M} of all properly embedded, non-planar, minimal planar domains in R^3 is homeomorphic to the closed unit interval [0,1].

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