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List Question

Example 20.10 Fitzpatrick's Advanced Calculus

The equality $r(A)=\omega(A)=\|A\|$ is not true in general.

A "concrete" example of a left Hopf algebra

Example of continuous bijective function s.t. the inverse in not continuous.

What is the graph on the cover of "Graph Theory" by Bondy & Murty?

Nontrivial example of Finite intersection property

First-order logic mindset when checking if A fulfills B

Example of closed strict subspace of $L^p$ that is dense in $L^r$ for $r<p$

Non-associative operations

Integrally closed non-GCD domain

If a topological space is regular-$G_\delta$, is it normal?

What is a relation between energy space and $L^p_s-$Sobolev spaces?

Associative, non-commutative, nontrivial operation on the real numbers

"Counter-example" to closed graph theorem

Functions whose derivatives can be found without knowledge of limits

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