Not only 3-space. An example of a slice knot would be a normal 1-dimensional kno...

jpcooper on Jan 18, 2021 | parent | context | favorite | on: Knot Theory and its Applications [pdf]

Not only 3-space. An example of a slice knot would be a normal 1-dimensional knot suspended in 3-space which turns out to be the 3-dimensional slice/cross-section of a 2-dimensional sphere suspended and knotted in 4-space.