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R_D

I am interested in Topology, Graphs and matrices

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42 When is the image of a proper map closed? Jan 9 '16
11 How to prove this is a fibre bundle? Jun 27 '15
9 Is the action of a finite group always discontinuous? Oct 24 '15
8 Is this dual pairing the same as the inner product? Jun 9 '15
8 Universal cover of $\mathbb R^2\setminus\{0\}$ Feb 24 '16
8 Is this covering group $G'$ of $G$ unique? Apr 15 '16
8 Equivalence of two definitions of Spin structure Sep 26 '16
8 Is there a name given to a space whose first three Stiefel-Whitney classes vanish? Nov 15 '16
7 Proving that the given map has the path lifting property Oct 21 '15
7 Is Homeo$(X)$ metrizable? Oct 3 '15
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