mland

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51 Answers

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8	Orientable double covers for non-orientable manifolds
6	Courses on Homotopy Theory
5	Can $\mathbb RP^2$ cover $\mathbb S^2$?
5	Geometric interpretation of reduction of structure group to $SU(n)$.
4	For normal $T\in\mathcal{B}(H)$ operator $T$ is injective iff its image is dense

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1,401 Reputation

+5	Computing $K$ - theory groups of certain $C^{\ast}$- algebras
+10	Tangent Bundle of a Riemann Surface
+10	Freudenthal suspension theorem- Weak excision lemma
+10	Orientable double covers for non-orientable manifolds

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4 Questions

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15	Geometric interpretation of the map $SO(4) \to SO(3)$
10	Computing $K$ - theory groups of certain $C^{\ast}$- algebras
4	étale fundamental group as unification of galois theory and covering theory
3	reduced crossed products

45 Tags

58 algebraic-topology × 30	8 cohomology × 3
14 functional-analysis × 6	8 covering-spaces
10 homotopy-theory × 6	8 manifolds
10 operator-theory × 3	7 reference-request × 3
9 differential-geometry × 4	7 general-topology × 3

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