Asymptotic estimates for roots of the cuboid characteristic equation in the linear region
arXiv:1505.02745
Abstract
A perfect cuboid is a rectangular parallelepiped whose edges, whose face diagonals, and whose space diagonal are of integer lengths. The second cuboid conjecture specifies a subclass of perfect cuboids described by one Diophantine equation of tenth degree and claims their non-existence within this subclass. This Diophantine equation is called the cuboid characteristic equation. It has two parameters. The linear region is a domain on the coordinate plane of these two parameters given by certain linear inequalities. In the present paper asymptotic expansions and estimates for roots of the characteristic equation are obtained in the case where both parameters tend to infinity staying within the linear region. Their applications to the cuboid problem are discussed.
AmSTeX, 17 pages, amsppt style
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