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Mathematics
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JZS

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

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  • Member for 6 years, 6 months
  • 377 profile views
  • Last seen Jun 9 at 2:37

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Top posts (137) All Questions Answers | Votes Newest

30 Show that a proper continuous map from $X$ to locally compact $Y$ is closed Sep 22 '13
13 Finding $\displaystyle \lim_{n \to \infty} \int_0^\infty \frac{e^{-x}\cos{x}}{nx^2 + \frac{1}{n}}dx$ Jan 5 '13
11 Determine $\displaystyle \lim_{n \to \infty}{{n} \choose {\frac{n}{2}}}\frac{1}{2^n}$, where each $n$ is even Jan 28 '13
10 For $f$ entire and $\{f(kz) : k \in \mathbb{C}\}$ a normal family, prove that $f$ is a polynomial. Jun 17 '13
9 Approximation of a harmonic function on the unit disc by harmonic polynomials. Jun 12 '13
9 Cauchy sequences - can we control the rate at which elements “get closer”? Jul 24 '14
8 Give an example of two closed sets $A, B \subseteq \mathbb{R}$ such that the set $A + B $ is not closed [duplicate] Dec 30 '12
6 Show that, given spherically symmetric initial data, a solution to the heat equation is spherically symmetric Dec 23 '12
6 Show that analytic function $f$ cannot be conformal when $f'(z) = 0$ Mar 24 '13
6 Show that a positive operator on a complex Hilbert space is self-adjoint Nov 10 '13
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