Cut-diagrams and applications to knotted surfaces and link-maps II

In this second talk, I will resume the presentation of cut-diagrams. I will more precisely focus on the (self-)singular case and its application to some higher order generalizations of Kirk invariant for link-maps.

Link for connecting to the seminar: https://mian.ktalk.ru/j1xwg956wc7a
"PIN code": The number of homotopy classes of maps from the Russian word ПЁС to the Russian word ЁЖ (where a word is understood as the subset of the plane formed by its letters)