RT Journal Article T1 Fermat's Last Theorem A1 Corrales Rodrigáñez, Carmen AB This is a nice expository paper at an elementary level which describes the type of mathematicsused inWiles’ proof of Fermat’s Last Theorem. The first section of the paper is a discussion abouttessellations of the plane with several nice examples from medieval artifacts, and concludes by mentioning the classification of planar crystallographic groups. The next section is an elementary introduction to elliptic curves, which mentions the standard way of contructing new points with rational coefficients from old ones by the secant and tangent method, and discusses the “local method” of counting the points on such curves modulo p. The third section is a discussion of Poincar´e’s hyperbolic plane and concludes with a nice picture due to Escher. In the fourth section,the author introduces the modular forms, and states the Taniyama-Shimura conjecture. The last two sections of the paper relate to Fermat’s equation, mention Frey’s idea of associating an elliptic curve to a would-be solution of Fermat’s equation, Ribet’s result to the effect that such a curve would not satisfy the Taniyama-Shimura conjecture, and finallyWiles’ proof of the fact that certain elliptic curves, including the particular Frey curve associated to a solution of Fermat’s equation, are modular. The paper is quite instructive for nonexperts, amateurs and college students alike. PB Universidad de Granada SN 1131-9321 YR 2001 FD 2001 LK https://hdl.handle.net/20.500.14352/58334 UL https://hdl.handle.net/20.500.14352/58334 DS Docta Complutense RD 4 may 2024