engleski

The number of D(−1)-quadruples

In this paper, we first show that for any fixed D(−1)-triple {; ; 1, b, c}; ; with b < c, there exist at most two d’s such that {; ; 1, b, c, d}; ; is a D(−1)-quadruple with c < d. Using this result, we further show that there exist at most 10^356 D(−1)-quadruples.

Diophantine quadruples

nije evidentirano