Top network posts

• 23 Why are there so few impeachments in western democracies and so many votes of no confidence?
• 12 Prove that $\sum\limits_{i=0}^{k} p^{2i}$ ($p$ is prime) is never a perfect square
• 11 Divisibility of binomial coefficient by prime power - Kummer's theorem
• 9 Find (recursive formulas for) $\sum_{k=1}^n\lfloor k\varphi\rfloor^2$ and/or $\sum_{k=1}^nk\lfloor k\varphi\rfloor$
• 9 How does America prevent deals in dollars between the third parties?
• 8 Is much of what the US federal government does unconstitutional?
• 7 Why is an algebraic field defined with $+ - * /$ rather than other operations?
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