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This is a book on infinity, the most fascinating mathematical concept, and also the most difficult. In fact we often use the word “infinity” in the wrong way, just to highlight the idea of a huge number. This confusion between infinity and huge quantity comes from the past: the biggest scientists as Phytagoras, Archimedes, Galileo and Gauss, also argued a lot with this concept, because to understand infinity, much more tools were needed, and they still had not.
Only in the xxvii century, thanks to the German mathematician Georg Cantor and his set theory, dealing with this concept became easier.

We are guided along a way that starts from the finite and reaches the hierarchy of different infinities discovered by Cantor. The authors succeeded in explaining very difficult concepts with the aim of a parallel histoire d’amour in comic strip.

Introduction
Finite sets
Incredibly huge numbers
Suggestions
From finite to infinity
Sets of numbers
Sets of points
Continuum and discrete
The arithmetic of infinity

Bruno Codenotti is research director at the Institute of Informatics and Telematics of CNR, Pisa. His interests are computation of market equilibria, computational game theory, web algorithmics, algorithms in linear algebra, distributed computing and science communication. He wrote Un biglietto di sola andata. Un invito alla logica e alla teoria dei giochi (Altravista 2015).
Claudia Flandoli lives in Cambrdige. She studied graphic design at ISIA (Higher Institute for Artistic Industries) Urbino, illustration at MiMaster in Milan, and biology at the University of Pisa.