Minimal area of the spun trefoil knot on the canonical cubulation of ${\mathbb{R}}^4$

Ana Baray, Juan José Catalán, Gabriela Hinojosa +1

We say that a \emph{cubical 2-knot} $K^2$ is an embedding of the 2-sphere in the 2-skeleton of the canonical cubulation of ${\mathbb{R}}^4$; in particular, $K^2$ is the union of…