AlanH
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 Dec2 revised Give upper and lower bound for $\left|\cos{na} + \frac{\sin{nb}}{n}\right|$ updated post to include more work Jun21 revised Showing the topologists sine curve is connected (slight variation) added 70 characters in body Jun19 revised Understanding equivalent definitions of left cosets deleted 1 characters in body Jun9 revised Can a group of order $55$ have exactly $20$ elements of order $11$? (Clarification) edited body Jun7 revised What can we say about the order of a group given the order of two elements? added 26 characters in body Jun5 revised Central Limit Theorem Problem changing title, adding tag Jun2 revised Find all positive integers $x$ such that $13 \mid (x^2 + 1)$ added 39 characters in body May26 revised Finding the values of $z$ s.t. $\sum_{n=0}^{\infty} \left( \frac{z}{1+z} \right)^n$ is convergent edited tags May14 revised Infinitely many primes of the form $4n+3$ deleted 2 characters in body May11 revised Using $\gcd(a,b)$ to find gcd of other values $\gcd(a^2,b)$ and $\gcd(a^3,b)$ added 238 characters in body May11 revised GCD and divisibility added 104 characters in body Apr27 revised When does $az + b\bar{z} + c = 0$ represent a line? added 17 characters in body Apr27 revised When does $az + b\bar{z} + c = 0$ represent a line? added 1 characters in body Apr26 revised Distributing identical objects to identical boxes deleted 355 characters in body Apr26 revised Distributing identical objects to identical boxes Title doesn't say much about the post. May be too general. Apr26 revised Distributing identical objects to identical boxes added 29 characters in body Apr25 revised Show that there is no rational number $r=m/n$ such that $r^3=3$ added 96 characters in body Apr10 revised Finding functional equation for generating function added 100 characters in body Apr9 revised Functional equations and generating functions added 4 characters in body Apr9 revised Functional equations and generating functions rolled back to a previous revision