=ADD= =reftype= 14 =number= 99-44 =url= ftp://ftp.risc.uni-linz.ac.at/pub/techreports/1999/99-44.ps.gz =year= 1999 =month= 12 =author= Paule; Peter + Strehl; Volker =title= Definite Summation and Hypergeometric Identities =abstract= This is a concise survey about recent developments in the mentioned field, which is to appear as a section of the {\em Computer Algebra Handbook}, E. Kaltofen, J. Grabmeier, V. Weispfenning (eds.), Springer-Verlag, 2000. =howpublished= Book contribution; to appear in: {\em Computer Algebra Handbook}, E. Kaltofen, J. Grabmeier, V. Weispfenning (eds.), Springer-Verlag, 2000. =sponsor= SFB/FWF project F1305 =keywords= symbolic summation, hypergeometric sums