función con círculos críticos en el toroide

to see the example à la wiki of a function with circles as a critical sets of a  scalar field in a surface in three dimensional space:  follows…

para ver un ejemplo à la wiki de una función con cercos como uns insiemi o campo escalar en una área del trosième Raum: sigue…



actualización (15.Nov.2011):

añadido gráfico:


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Filed under calculus on manifolds, differential geometry, low dimensional topology, mathematics, topology

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