New posts in Collatz Conjecture

The Collatz conjecture algorithm applied to negative integers

Simplified variant of Collatz conjecture.

Is it possible to describe the Collatz function in one formula?

Could this odd insight help explain part of the difficulty in proving the Collatz Conjecture?

In the $x + 1$ problem, does every positive integer $x$ eventually reach $1$?

Is "A Short Elementary Proof of the Unprovability of the Collatz Conjecture" really as claimed?

A general question about the Collatz Conjecture and finding that integer that doesn't work

Examples of "eventually reaches y under iteration" other than the Collatz problem

About the Collatz conjecture

Longest known sequence of identical consecutive Collatz sequence lengths?