From: Bill Gosper <billgosper@gmail.com>

Carolyn Bickford snapped https://mail-attachment.googleusercontent.com/attachment/?ui=2&ik=97b2a014c7... in the Lawrence Hall of Science gift shop. Any chance it's a legitimate formula for something?

One thing I don't understand is the form of the second line with the... is that a double contour integral? Integral over a closed surface? Integral over a "torus" in 2 dimensions, each of which is complex? I don't see the variable for that funky integral...? Going to Google images with "double contour integral" is pretty entertaining. --Steve