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Homotopy theory, homological algebra, algebraic treatments of manifolds.

7 votes
1 answer
314 views

Is it possible to separate two linked (geometric) circles in $\Bbb R^3$ by a set homeomorphi...

$A$ and $B$ are two linked (geometric) circles in $\Bbb{R}^3$. (Let, for definiteness, both have radius = 1, the first lies in the $z=0$ plane and its center is the origin of coordinates $(0,0,0)$, th …
Mikhail Patrakeev's user avatar