## Dilogarithm

A special case of the Polylogarithm for . It is denoted , or sometimes , and is defined by the sum

or the integral

There are several remarkable identities involving the Polylogarithm function.

Abramowitz, M. and Stegun, C. A. (Eds.). Dilogarithm.'' §27.7 in Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, 9th printing. New York: Dover, pp. 1004-1005, 1972.