Respuesta a una pregunta, en 1982, de Ch. Livingstone (sobre superficies)

Seifert Surfaces
Foto
Kristina Armitage for Quanta Magazine
Event type
Description

For decades mathematicians have searched for a specific pair of surfaces that can’t be transformed into each other in four-dimensional space. Now they’ve found them.

(Existen superficies de Seifert de género mínimo en S^3, con el mismo borde, que no son (ambiente) isotópicas en B^4)