9 Answers votes newest views recent 45Famous mathematical quotes 10Depressed graduate student. 10Essential theorems in group (co)homology 8What are the most overloaded words in mathematics? 6Why are free groups residually finite? 5Low dimensional nilpotent Lie algebras 4question on parabolic subgroups 2Abelianization of a semidirect product 2To what extent can algorithms in undergraduate linear algebra be made continuous/polynomial/etc.?