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Homotopy theory, homological algebra, algebraic treatments of manifolds.

6 votes
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Homotopy groups of Diffeomorphisms of punctured d-dim ball

Let $\mathbb{D}_n^d$ be the $d$-dimensional unit ball with $n$ punctures. I am interested in the groups of orientation-preserving diffeomorphisms $Diff(\mathbb{D}_n^d)$ that fix the punctures. In part …