About the Diophantine Equation x^4 − q^4 = py^r
Abstract
In this paper, we prove a theorem about the integer solutions to the Diophantine equation x^4 − q^4 = py^r , extending previous works of K. Gyory, and F. Luca and A. Togbé, and of the author.
Keywords
Diophantine equations, Kummer fields, cyclotomic fields