Upper bound on number of D(4)-quintuples (CROSBI ID 636661)
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Podaci o odgovornosti
Bliznac, Marija ; Filipin, Alan
engleski
Upper bound on number of D(4)-quintuples
We call the set of m positive distinct integers D(n)-m-tuple if the product of any of its two elements increased by n is a perfect square. It is conjectured that there does not exist a D(4)-quintuple and we will present some results that support that conjecture. We will show how we improved previous results on the upper bound of D(4)-quintuples, more precisely, we prove there is at most 6.8587⋅10^29 D(4)-quintuples. In the proof we use the standard methods used in solving similar problems, solving the system of simultaneous Pellian equations, and combine them with the most recent methods used for bounding the number of D(1)-quintuples.
Diophantine m-tuples
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Podaci o prilogu
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Podaci o skupu
6th Croatian mathematical congress
poster
14.06.2016-17.06.2016
Zagreb, Hrvatska