Top network posts

• 19 If $f(x) \in \mathbb{Q}[x]$ is irreducible, then is $f(x^2)$irreducible?
• 17 Group cohomology and condensed matter
• 14 Let $a,b,c$ be the roots of $x^3 - x - 1= 0$ find $a^5 + b^5 + c^5$
• 13 Why is a unique Sylow p-subgroup normal?
• 13 Is a continuous function between two uniformly continuous functions uniformly continuous?
• 13 If $X$ is a non-compact metric space, can $X^n$ ever be compact?
• 12 Hahn-Banach theorem for arbitrary locally compact fields?
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