On the Asymptotic Behavior of Functions Holomorphic in the Unit Disc.
The method of quasilinearization for a periodic boundary value problem for nonlinear hybrid differential equations is studied. It is shown that the convergence is quadratic.
Let k ∈ ℤ be such that , where . We determine all solutions to xyz = 1 and x + y + z = k in integers of number fields of degree at most four over ℚ.
Let k ∈ ℤ be such that is finite, where . We complete the determination of all solutions to xyz = 1 and x + y + z = k in integers of number fields of degree at most four over ℚ.
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