## Thursday, September 17, 2009

### in case you must chat in 's ..

i wouldn't say every day, but most days i learn something new.

as for today, i learned ..
1. .. about Wolff potentials (of measures), i.e.

and how they come up in PDE, occasionally.

2. .. that there is a LaTeX-based web chat program called MαthIM.

since nobody claimed the name yet, i have started a chatroom called quasiworld and posed a random question that came to mind, some months ago.