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Questions Tagged with "real analysis"

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Prove the series converges almost everywhere

1 answer

Mathematics Asked 1 year ago by Christopher Rose

Show that $f$ is a strong contraction when $f$ is continuously differentiable.

2 answer

Mathematics Asked 1 year ago

What is the Fourier transform of the bump function $e^{-frac{1}{1-|x|^2}}$?

0 answer

Mathematics Asked 1 year ago by Medo

What is the valus of this integral?

0 answer

Mathematics Asked 1 year ago by Bachamohamed

Partial Sums of Geometric Series

5 answer

Mathematics Asked 1 year ago

How can I study the convergence of the improper integral $int_{0}^{ infty} frac{sin(x)}{x+1} , mathrm dx,$?

4 answer

Mathematics Asked 1 year ago by Kirito

A sequence $f_n to f$ uniformly on $(0,1)$ where $f, f_n in C([0,1])$ implies $f_n(0) to f(0)$, $f_n(1) to f(1)$.

0 answer

Mathematics Asked 1 year ago by CyCeez

My proof of $A^{mathrm{c}}$ is closed iff $A$ is open

1 answer

Mathematics Asked 1 year ago by mathematicaxyz

Define $X_n=sum_{k=1}^n kx_k$ and $Y_n=sum_{k=1}^n ky_k$. Prove that there exists an $n$ such that $X_n<Y_n$.

2 answer

Mathematics Asked 1 year ago

How to prove that $ sum_{m=0}^{infty} { Gamma{(1+2m)/alpha}over Gamma(1/2+m)} { (-t^2/4)^{m}over m !} ge (alpha/2)^{3}exp(-t^{2}/4) $

0 answer

MathOverflow Asked 1 year ago

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