Higher Descent on Pell Conics I. From Legendre to Selmer
Abstract
Description
This article deals with the history of certain aspects of the Pell equation X$^2$ - D y$^2$ = 4. We briefly discuss explicit units, and then study the history of Legendre's equations ax$^2$ - b y$^2$ = 4 with ab=D.
19 pages, 2 figures
19 pages, 2 figures