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Mathematics
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Anupam
  • Member for 11 years
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  • India
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I am a student of mathematics interested to learn Algebra, Topology and Analysis.

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12
Is it possible that $(ab)^{-1}$ is defined although $a^{-1},b^{-1}$ are not?
Oct 17, 2013
11
Every infinite Hausdorff space has an infinite discrete subspace
Oct 20, 2013
11
Elementary manipulation with elements of group
Oct 2, 2013
10
how to prove $f^{-1}(B_1 \cap B_2) = f^{-1}(B_1) \cap f^{-1}(B_2)$
Oct 6, 2013
9
Union of ascending chain of Topologies
Aug 15, 2013
8
Associated elements in a ring [duplicate]
Dec 2, 2013
8
A question regarding power series expansion of an entire function [duplicate]
Jun 10, 2015
6
Showing linear isometry
Apr 21, 2020
6
Compactness and Hausdorffness
Oct 18, 2013
6
How can one check if a Cauchy-sequence converges in the rationals?
Jun 2, 2015
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9
Banach space with uncountable basis
7
Converse of closed graph theorem
5
Injective continuous operators between Banach spaces
5
Existence of injective compact operators
5
Does closedness of the image of unit sphere imply the closed range of the operator