Wednesday, April 3, p.m. Room 47

Symposium Q: History of Cybernetics and Information Technology
F. Pichler, Austria

14:00-14:30
E.B. Fleissner and A. Figl
O. Horak, Matzendorf-Hölles, Austria
14:30-15:00
On the Development of the Lieben Vacuum Tube (LRS-Relais)
F. Pichler, Johannes Kepler University, Linz, Austria

Symposium B: Mathematical Methods in Cybernetics and Systems Theory
Y.Rav, France

16:00-16:30
Linking Model Construction in General System Problem Solving with Hidden Markov Models
D. Van Welden, E. Noldus, University of Ghent, Belgium
16:30-17:00
Analysis and Application of Chaotic Permutation Systems
J. Scharinger, Johannes Kepler University, Linz, Austria
17:00-17:30
Optimization of Inventory Control Systems Based on the Past Data
N.A. Nechval, K.N. Nechval, E.K. Vasermanis, University of Latvia, Latvia
17:30-18:00
An Algebraic Characterization of the Tree Automata Inference
I. Sierocki, Technical University of Wroclaw, Poland