Top network posts

• 118 What's an intuitive way to think about the determinant?
• 21 When is the product $(1+1)(1+4)…(1+n^2)$ a perfect square?
• 13 Does the number pi have any significance besides being the ratio of a circle's diameter to its circumference?
• 11 Instances where an existence result precedes the constructive version
• 11 What are smallest finite images of triangle groups?
• 10 Which finite nonabelian groups have all their quaternionic representations of degree one?
• 9 Integers $n$ such that $i(i+1)(i+2) \cdots (i+n)$ is real or pure imaginary
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