Latest posts (as of today)

Set k is recursively enumerable non-recursive - The proof.

A basic LaTeX document with book class: be ready to write!

How to insert images in a LaTeX document - Making an hard thing become easy.

Characterization Theorem in Computability - What it states and a proof.

Futamura's Projections - What they are and what they actually mean.

Halting Problem - The foundation of the computability theory, that gave it the first headaches - until Turing got a brilliant idea.

Turing-complete Languages - What they are and their characteristics.

Kleene's Recursion Theorems in Computability - What they are and their proof.

Posts's Theorem in Computability - What it states and a proof.

Rice's Theorem in Computability - What it states and a proof.

Convolution - What it is and how to compute it.

Cross-Correlation - What it is and how to compute it.