New posts in real-analysis

Can you please check my proof of this limit of derivative

Proving that $x^{\frac{1}{n}}$ is uniformly continuous over $[0, \infty)$ with the usual metric

Suppose $\sum a_n$ converges absolutely and $\sum b_n$ converges. Give an example where the Cauchy product does not converge absolutely.

Elegant solution to $\lim\limits_{n \to \infty}{[n(\sqrt[n]{a} - 1)]}$

Why do non-constant periodic functions have no limit at infinity?

Uniform convergence for sequences of functions

A continuous function with positive and negative values but never zero?

Prove that if $f$ and $g$ are integrable functions on $[a, b]$ such that $f(x) = g(x)$ almost everywhere, then $\int^b_a f = \int^b_a g$

Solution to the functional equation $f(2x) = f(x)\cdot\sin(x)$?

Machine Learning: Is the softmax function Lipschitz with Lipschitz constant $1$?

What are the conditions necessary and sufficient for a function $f : \mathbb{R} \to \mathbb{R}$ to be "represented by a graph"?

Show function $f(x,y)=(x^2-y^2,2xy)$ is $1$-$1$ by Inverse Function Theorem

Find the sum of finite series $S=\sum_{k=1}^{2015}{(-1)^{\frac{k(k+1)}{2}}}k$

Does $\{f_ng_n\}\to fg$ uniformly?

Characterization of lim sup, lim inf

On Lebesgue Outer Measure of an interval

compact Hausdorff space and continuity

A problem on continuous functions

Why can complex numbers be written in exponential form? $z=r(\cos \theta+i\sin \theta)$ is $z=re^{i\theta}$.

How to construct a dense subset of $\mathbb R$ other than rationals.