The volume comprises a collection of 172 extented abstracts of talks presented at the 16th Symposium on Operations Rese-
arch held at the University of Trier in September 1991. It is designated to serve as a quickly published documentation of the scientific activities of the conference.
Subjects and areas touched upon include theory, modelling and computational methods in optimization, combinatorial op-
timization and discrete mathematics, combinatorial problems in VLSI,scientific computing, shastic and dynamic opti-
mization, queuing, scheduling, shastics and econometrics,
mathematical economics and game theory, utility, risk, insu-
rance, financial engineering, computer science in business and economics, knowledge engineering and production and ma-
nufacturing.