New posts in real-analysis

Are all bijective functions continuous?

Use $C^\infty$ function to approximate $W^{1,\infty}$ function in finite domain

Subspaces of $L^p$

Additive but not $\sigma$-additive function

Why is the Riemann integral only defined on compact sets?

$f$ is a real function and it is $\alpha$-Holder continuous with $\alpha>1$. Is $f$ constant?

Gronwall's Lemma (Discrete version)

How to make sense of complex coordinates on manifolds?

Measure zero of the graph of a continuous function

What are some rigorous definitions for sine and cosine?

Show that $A = \{p\in\mathbb{ Q}^+\mid p^2<2\}$ contains no largest number and $B= \{p\in\mathbb {Q}^+\mid p^2>2\}$ contains no smallest number [duplicate]

Function grows slower than $\ln(x)$

How to show $(1/n!)^{1/n}$ goes to $0$ as $n$ goes to infinity? [duplicate]

Why the $\nabla f(x)$ in the direction orthogonal to $f(x)$?

For $a_n>0$ such that $\sum a_n $ converges, show that there exist $c_n>0$ such that $c_n\to \infty$ and $\sum a_n c_n$ is finite.

convergence of $\sum_{n=1}^{\infty} \frac{e^{-xn\ln x}}{x^2 + n}$ if $x>0$

Prob. 14, Chap. 3, in Baby Rudin: The arithmetic mean of a complex sequence

Evaluate $\int_0^1(x\ln(x))^{50}dx$

Continuous functions are bounded

Is $\prod \limits_{n=2}^{\infty}(1-\frac{1}{n^2})=1$ [duplicate]