Top network posts

• 57 Can Erdős-Turán $\frac{5}{8}$ theorem be generalised that way?
• 44 What is $\tau(A_n)$?
• 37 Does there exist $a_0$, such that $\{a_n\}_{n=0}^{\infty}$ is unbounded?
• 29 Are there any natural numbers $n$ that satisfy the condition $7921\sigma(n) = 15840n$?
• 27 Conjectures that have been disproved with extremely large counterexamples?
• 25 Is the intersection of two subgroups, defined below, always trivial?
• 20 A comprehensive list of random walk inequalities?
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