Today we got tortured for 2 and half hours by constructions like gluing circles onto intervals and cutting circles by derivations. What did those pompous concepts serve? Everybody was eager to raise questions. Among all the commotion,   the speaker finally gave an example. The base case is that of a modular curve and the construction will produce the Rankin-Selberg L-function.  This appeased most of us who finally had something to anchor ourselves.

(╯°□°)╯︵ ┻━┻ Our identity verification server seemed dead when we were roaming, so we couldn't connect to the Internet. We are fed up with it.