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Results tagged with at.algebraic-topology
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user 22084
Homotopy theory, homological algebra, algebraic treatments of manifolds.
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Finding a ribbon graph for a mapping class group action
Turaev defines TQFT $(T, \tau)$ in his book "Quantum invariants of knots and 3-manifolds". He uses it to define an action of a mapping class group of a d-surface $\Sigma$.
This action $\epsilon$ is d …
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