{"CharmedRoot" -> "The charmed root function.", 
 "PersistentRoot" -> "The persistent root function.", 
 "Quadratic" -> "Solving the quadratic equation.", 
 "Commutators" -> "Commutators talk slides.", 
 "Commutators-Slides" -> "Commutators talk slides.", 
 "Decommute" -> "(123) = [(412),(253)] = [[(341),(152)],[(125),(543)]] = ..."}
