My hobbies include doing research mathematics, doing elementary mathematics, writing things in latex, cooking, correcting grammar, and being skeptical. Fortunately there is a stackexchange website for each of these compulsions.
17 What is the length of the shortest law of $S_n$? apr 10 '13
17 morphism from a compact group to Z ? jan 22 '15
11 A sumset inequality mar 14 '14
9 A Hölder like inequality mar 10 '12
9 A question about expander graphs mar 14 '12