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.

**References**

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.

© 1996-9

1999-05-24