section_path: History/Origins/Western Europe in the Middle Ages
section_name: Western Europe in the Middle Ages
paragraph_text: Western Europe in the Middle Ages
  
  Other than a treatise on squares in arithmetic progression by Fibonacci —who traveled and studied in north Africa and Constantinople—no number theory to speak of was done in western Europe during the Middle Ages. Matters started to change in Europe in the late Renaissance, thanks to a renewed study of the works of Greek antiquity. A catalyst was the textual emendation and translation into Latin of Diophantus' Arithmetica.