arXiv · 2201.00651
The note provides a simple proof of the irrationality measure $μ(π^2)=2$ of the real number $π^2$. The current estimate gives the upper bound $μ(π^2)\leq 5.0954 \ldots$.
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N. A. Carella. 2022-01-25. Irrationality Measure Of $π^2$. https://arxiv.org/abs/2201.00651
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