Top network posts

• 7 Galois Theory books (in association with Abstract Algebra books)
• 6 Find all $n \in \mathbb{Z^+} : \phi(n)=4$
• 5 Is $x^2 \equiv -1 \pmod{365}$ solvable?
• 5 Prove that $3\not \in \langle4x^3,15\rangle $ in $\mathbb{Z}[x]$
• 5 Is the ideal $I:=\langle xy-z,x^5-z^3 \rangle $ prime in $\Bbb{C}[x,y,z]$?
• 5 Is the ideal $J:=\langle -y^2+xz,x^5-z^3 \rangle$ prime in $\Bbb{C}[x,y,z]?$
• 5 Prove that $\alpha:=\sqrt{\pi}+\sqrt 2 \in \Bbb{C} $ is trancendental over $\Bbb{Q}$.
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