Markov chains, Gauss soups, and compromise dynamics

It must have been around 1966 when I first met Klaus Krickeberg at a conference in Greece. In my memory it was Konrad Jacobs who encouraged some young people from Erlangen to attend. I still remember when Klaus took us, M. Sieveking, J. Köhn and me, to a quite exciting tour by car on the Peloppenese. Later on, times were exciting too when I was around 1970 assistent to Klaus in Heidelberg. I also remember David G. Kendall at the Greece-conference, telling us about the Delphi method. About this I had forgotten until recently when writing this paper I noticed that my current work on opinion dynamics is related to the Delphi method.

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