Characterization of regular Diophantine quadruples
Characterization of regular Diophantine quadruples
A set S of positive integers is said to have a Diophantine property, and called a Diophantine set, if xy + 1 is a perfect square for any x = y ∈ S. The task of finding integer Diophantine quadruples {a, b, c, d}, where a < b < c …