New posts in continuity

Topological spaces in which a set is the support of a continuous function iff it is the closure of a open set.

$f$ continuous iff $\operatorname{graph}(f)$ is compact

Limit with integral or is this function continuous?

Path Connectedness and continuous bijections

Verifying continuity of the deformation retraction of the mapping cylinder

Separation in compact spaces

Continuously extending a set of independent vectors to a basis.

What is the difference between the terms smooth, analytical and continuous?

Handoff webpages in Safari from iPhone to MacBook without the Dock

$f$ is uniformly continuity

Why "a function continuous at only one point" is not an oxymoron?

Construction of a continuous function which is not bounded on given interval.

On continuity of roots of a polynomial depending on a real parameter

Why differentiability implies continuity, but continuity does not imply differentiability?

Proving f is a Lipschitz continuous function. (Real analysis)

Is there a function $f(x)$ that satisfies $f(e^x) = e^x f(x)$?

$g(x)$ is continuous on $\mathbb{R}$ st $g(x)=g(x^2)$. Prove that $g(x)$ is constant.

A continuous function that maps closed unit square to the unit open square

if $f(x + y) = f(x)f(y)$ is continuous, then it has to be injective.

I want to find A real valued function having a continuous first derivative for all points in domain, but with undefined higher order derivatives.