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Ludolila

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 8 years, 1 month
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  • Last seen Feb 21 at 5:03

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16 The range of $T^*$ is the orthogonal complement of $\ker(T)$ Mar 1 '13
12 Closed set as a countable intersection of open sets Mar 7 '14
9 Is the empty set is a subspace of any vector space Apr 27 '14
8 $\mathbb{Z}$ is not isomorphic to $\mathbb{Q}$ Jan 12 '14
6 Number of normal subgroups of a non abelian group of order $21$… CSIR December $2013$ Dec 22 '13
6 Find distinct groups $G$ and $H$ such that each is isomorphic to a proper subgroup of the other Mar 2 '13
6 Polish topological group Mar 30 '14
6 Is it allowed to divide an equation by an expression which can be equal to zero? Feb 14 '13
5 Generators of the first commutator subgroup Mar 9 '14
5 Proving that the set of limit points of a set is closed Mar 7 '14
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