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pow:problem4s25 [2025/04/02 14:44] mazur |
pow:problem4s25 [2025/04/03 12:51] (current) mazur |
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Suppose that $\displaystyle |a_k|\geq \frac{c}{\sqrt{k}}$ for infinitely many $k$. Prove that $c\leq \sqrt{2}$. | Suppose that $\displaystyle |a_k|\geq \frac{c}{\sqrt{k}}$ for infinitely many $k$. Prove that $c\leq \sqrt{2}$. | ||
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- | We received a solution from Josiah Moltz, and Dr Mathew Wolak. For detailed solutions see | + | We received a solution from Josiah Moltz and Dr Mathew Wolak. For detailed solutions see the following link {{:pow:2025sproblem4.pdf|Solution}}. |