La estructura del pentágono regular estrellado se puede describir mediante una curva f(t) que no se corta a sí misma en una superficie de Riemann de dos hojas. Cómo onstruir en una variedad tridimensional el icosaedro regular estrellado de séptima especie de Kepler-Poinsot? (English: great icosahedron). Se busca una función f(u,v) sobre una variedad tridimensional que produzca una superficie homotópica de la del icosaedro y que recorra siete veces la esfera pero sin cortarse.
2025-01-12 23:55:33.1736726133
starry regular icosahedron
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