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 Mar 27 awarded Fanatic Dec 31 awarded Critic Dec 27 revised Prove that if $P(P(x)) = Q(Q(x))$, then the polynomials $P$ and $Q$ are equal. More specific title Dec 27 suggested approved edit on Prove that if $P(P(x)) = Q(Q(x))$, then the polynomials $P$ and $Q$ are equal. Dec 7 revised Prove that $f$ on $[a,b]$ has only a finite number of zeros. Typos, punctuation/spacing, highlight the assignment Dec 7 suggested approved edit on Prove that $f$ on $[a,b]$ has only a finite number of zeros. Oct 12 revised Minimum possible order of a group with elements of order 1 to 5 More explicit title, typo fix & formatting Oct 12 suggested approved edit on Minimum possible order of a group with elements of order 1 to 5 Sep 14 comment Why is Lebesgue so often spelled “Lebesque”? This site attributes the Lebesque paper you quote to a Lebesgue... but it does have a better (attempt at) typesetting the title itself. Sep 2 revised Why is it necessary for a ring to have multiplicative identity? Formatting / spacing fixes Sep 2 suggested approved edit on Why is it necessary for a ring to have multiplicative identity? Apr 24 awarded Enthusiast Apr 14 revised Convergence of series involving the prime numbers Capitals, small fixes Apr 14 suggested approved edit on Convergence of series involving the prime numbers Feb 7 revised Given eigenvector, find value of P Formatting Feb 7 suggested approved edit on Given eigenvector, find value of P Oct 11 revised Find the distance between two towns given train timings Title and body English fixups. Change formatting to quote rather than code block Oct 11 suggested approved edit on Find the distance between two towns given train timings Jun 27 revised What are the most important functions every mathematician should know? Formatting & typo fixes. The last phrase was a bit unclear to me unfortunately - I hope I interpreted it correctly. Jun 27 suggested approved edit on What are the most important functions every mathematician should know?