SIAMCOMP
2000
13 years 11 months ago
2000
-fields are a very general class of difference fields that enable one to discover and prove multisum identities arising in combinatorics and special functions. In this article we f...
CORR
2008
Springer
13 years 11 months ago
2008
Springer
In this article we present a refined summation theory based on Karr's difference field approach. The resulting algorithms find sum representations with optimal nested depth. ...