Algebraic diagrams in an early sixteenth-century Catalan manuscript and their possible sources

This paper focuses on a number of sources that could have inspired a very interesting kind of diagrams of coefficients of algebraic expressions appearing in a Catalan manuscript of ca. 1520. These diagrams are used in some problems to represent and operate on the algebraic expressions involved in the solving process. In this research, it has been necessary to delve into different medieval traditions.

Aquest article se centra en algunes fonts que podrien haver inspirat un tipus molt interessant de diagrames de coeficients de expressions algebraiques que apareixen en un manuscrit català dels voltants del 1520. Aquests diagrames s'utilitzen en alguns problemes per representar i per operar les expressions algèbriques involucrades en el procés de resolució. En aquesta investigació ha estat necessari fer recerca dins diferents tradicions medievals.