New posts in big-list

What should the high school math curriculum consist of?

Infinite series that surprisingly converge? [closed]

Counterexamples for "every linear map on an infinite dimensional complex vector space has an eigenvalue"

Are there any well known mathematicians who published very little?

$2=1$ Paradoxes repository

Variational formulations in group theory?

List videos of interesting courses at the doctoral level.

Ways to induce a topology on power set?

which exact integration techniques belong in a first year calculus/analysis course?

Fun, interesting, slightly advanced books

Finite vs infinite dimensional vector spaces

References on Linear Algebraic Groups/Lie Theory

Significant Proofs Understandable to Middle School Students with Pre-Algebra Background

Detecting a negative coefficient in a power series

Important Olympiad-inequalities [duplicate]

Is there a property in $\mathbb{N}$ that we know some number must satisfy but don't know which one?

Examples of nonlinear ordinary differential equations with elementary solutions.

What's a good motivating example for the concept of a slice category?

Can we get un-obvious results by defining sophisticated topologies?

Elevator pitch for a (sub)field of maths?