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Sep
23
answered Does the automorphism group of a cone determine the cone?
May
6
answered Pythagorean 5-tuples
Apr
27
answered probability and math puzzle books/references
Nov
29
awarded  Enthusiast
Sep
7
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Sep
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answered Experimental Mathematics
Aug
9
comment Math puzzles for dinner
Solution: Chg gur pbva rknpgyl va gur zvqqyr. Gura jurerire lbhe nqirefnel chgf gur pbva, chg vg ng gur fnzr cbfvgvba nsgre ebgngvba ol 180 qrterrf nebhaq gur pragre. (Guvf cbfvgvba vf nyjnlf serr).
Aug
7
answered Math puzzles for dinner
Aug
6
awarded  Editor
Aug
6
revised Approaches to Riemann hypothesis using methods outside number theory
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Aug
6
awarded  Teacher
Aug
6
answered Approaches to Riemann hypothesis using methods outside number theory