Fermat's Last Theorem

In today's blog, I present a few lemmas that Niels Abel published on irreducibility. These lemmas are used in Abel's proof on the i...

The first step in Niel Abel's 1824 proof on the insolvability of the general quintic equation is the statement that if a general solutio...

It is perhaps a bit surprising that a study of functions with multiple parameters led to the proof by Niels Abel that the quintic equation ...

Augustin-Louis Cauchy was born on August 21, 1789 in Paris. It was the time of the French Revolution . For a bit, Cauchy's father left...