New posts in open-problem

Are derivatives of geometric progressions all irreducible?

reference-request polynomials irreducible-polynomials open-problem

Why are these geometric problems so hard?

geometry recreational-mathematics puzzle open-problem packing-problem

Complex solutions for Fermat-Catalan conjecture

number-theory complex-numbers open-problem

Are there any infinite sets that are not known to be either countable or uncountable?

set-theory open-problem

Why is Hodge more difficult than Tate?

algebraic-geometry arithmetic-geometry open-problem hodge-theory

How to prove there are an infinite number of squarefree numbers of the form $2^p-1$?

number-theory open-problem

Odd perfect squares whose decimal representation consist only of 1's and o's

number-theory open-problem

Status of a conjecture about powers of 2

number-theory open-problem conjectures

The main attacks on the Riemann Hypothesis?

big-list riemann-zeta open-problem riemann-hypothesis

Is there any palindromic power of $2$?

number-theory elementary-number-theory recreational-mathematics decimal-expansion open-problem

Has anyone found a "pattern" in prime numbers?

number-theory prime-numbers fractals open-problem

Famous Problems Where We Only Know the Elementary

big-list open-problem

Status of the classification of non-finitely generated abelian groups.

abstract-algebra group-theory reference-request abelian-groups open-problem

Can someone explain the ABC conjecture to me?

number-theory open-problem

Proving the Riemann Hypothesis and Impact on Cryptography

soft-question riemann-zeta cryptography open-problem riemann-hypothesis

What does proving the Collatz Conjecture entail?

open-problem conjectures collatz-conjecture

Social Golfer Problem - Quintets

combinatorics permutations recreational-mathematics open-problem

What are some of the major open problems in category theory?

category-theory open-problem

Are there open problems in Linear Algebra?

linear-algebra open-problem algebraic-k-theory

Primes of the form $n^2+1$ - hard?

number-theory reference-request prime-numbers open-problem