Irrationality exponents of logarithms of positive rational numbers
Jingwen Liu, Kai Jiang, Pingwen Zhang
Source abstract
We present a direct separated-weight determinant argument for μ(log r) = 2 for every positive rational number r = 1. We first prove the moving-centre interpolation theorem used in the argument. We then fix an arbitrary r = a/b and give all parameter choices, denominator estimates, row translations, and analytic determinant bounds for that same argument. Rational linear combinations and rational affine changes follow as corollaries.Supplementary geometric extensions and an explicit finite-degree bound are collected in the appendices. This remains a research draft under audit; the reorganization does not constitute independent certification of its mathematical conclusions.
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