Top network posts

• 19 Plus sign in the middle of a ring
• 13 Prime numbers of the form $1+p+p^2+\dots+p^n$
• 11 "Polynomials" with non-integer exponents
• 9 What is a fewnomial?
• 7 Analytical solution to $a^x+b^x=x$
• 6 Number of zeros in polynomial-exponential sums
• 6 trace of product of a diagonal and a matrix
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