Abstract:Abstract. Consider a non-planar orientable minimal surface Σ in a slab which is possibly with genus or with more than two boundary components. We show that there exists a catenoidal waist W in the slab whose flux has the same vertical component as Σ such that Area(Σ) ≥ Area(W), provided the intersections of Σ with horizontal planes have the same orientation.
“…Namely in [BB14] the authors show that an appropriate piece of the catenoid has the least area among minimal annuli whose boundaries lie in two fixed parallel planes. was generalized in [CD16] who increased the class of competitors to a larger class of (smooth) minimal surfaces of different topological type. One may ask the same question in the class of singular minimal Plateau surfaces.…”
Section: Question 53 Can One Produce Unstable Singular Minimal Platea...mentioning
By employing the method of moving planes in a novel way we extend some classical symmetry and rigidity results for smooth minimal surfaces to surfaces that have singularities of the sort typically observed in soap films.
“…Namely in [BB14] the authors show that an appropriate piece of the catenoid has the least area among minimal annuli whose boundaries lie in two fixed parallel planes. was generalized in [CD16] who increased the class of competitors to a larger class of (smooth) minimal surfaces of different topological type. One may ask the same question in the class of singular minimal Plateau surfaces.…”
Section: Question 53 Can One Produce Unstable Singular Minimal Platea...mentioning
By employing the method of moving planes in a novel way we extend some classical symmetry and rigidity results for smooth minimal surfaces to surfaces that have singularities of the sort typically observed in soap films.
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