Dimarts 17 de gener se celebrarà una nova sessió del Seminari Informal de Matemàtiques de Barcelona.
Speaker: Nuno Freitas
Universitat: Departament d’Àlgebra i Geometria, Universitat de Barcelona
Lloc: Aula T2 (al terrat), Facultat de Matemàtiques de la Universitat de Barcelona
Títol: From Fermat’s Last Theorem to some generalized Fermat equations.
Resum:
The proof of Fermat’s Last Theorem was initiated by Frey, Hellegouarch, Serre, further developed by Ribet and ended with Wiles’ proof of the Shimura-Tanyama conjecture for semi-stable elliptic curves. Their strategy, now called the modular approach, makes a remarkable use of elliptic curves, Galois representations and modular forms to show that has no solutions, such that
if
. Over the last 17 years, the modular approach has been continually extended and allowed people to solve many other Diophantine equations that previously seemed intractable. In this talk we will use the equation
as the motivation to introduce informally the original strategy (
) and illustrate one of its first refinements (for
). Then we will discuss some further generalizations that recently led to the solution of equations of the form
.
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