Top network posts

• 41 How can a mathematician handle the pressure to discover something new?
• 33 divisors of $p^4+1$ of the form $kp+1$
• 31 Second Betti number of lattices in $\mathrm{SL}_3(\mathbf{R})$
• 30 Does there exists a group structure on $\circ$ on $(\mathbb{R},\circ)$ such that $(\mathbb{R},\circ)$ is non-isomorphic to $(\mathbb{R},+)$?
• 30 Are infinite groups in which most elements have order $\leq 2$ commutative?
• 28 Does GL_n(Z) have a noetherian group ring?
• 27 Are all free groups linear, i.e., admit a faithful representation to GL(n,K) for some field K ?
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