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

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  • Member for 6 years, 2 months
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Top posts (258) All Questions Answers | Votes Newest

18 Sequence of monotone functions converging to a continuous limit, is the convergence uniform? Jun 14 '14
17 Showing that $\sum_{k=0}^{\infty} a^{k} \cos(kx) = \frac{1- a \cos x}{1-2a \cos x + a^{2}}$ without using complex variables Feb 21 '14
12 How to show that this limit is tend to zero? Apr 16 '14
11 if $AB\neq 0$ for any non zero matrix $B$ then $A$ is invertible Sep 28 '13
11 Orthonormal Sets in Hilbert Spaces Mar 3 '14
11 Show that $\left(1+\dfrac{x}{n}\right)^n \to e^x$ as $n \to \infty$ in a normed ring $R$ Jun 11 '13
10 True Or not: Compact iff every continuous function is bounded Jul 22 '13
10 in a topological space only finite subsets are compact sets Oct 7 '13
10 Good text to start studying topological games? Mar 13 '16
9 Are “most” continuous functions also differentiable? Apr 16 '14
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