Apologies to everyone who get this message twice, there was still
a small problem in our list server, which is now hopefully fixed.

best wishes
  Frank
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My apologies to everybody for the mail loop. I think we have everything
under control again. I am not absolutely certain, because I am still
trying to figure out what went wrong. It seems like three or four small
problems collaborated to create this terrible mess.

Martin.

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Martin Sch"onert,   Martin.Schoenert@Math.RWTH-Aachen.DE,  +49 241 804551
Lehrstuhl D f"ur Mathematik, Templergraben 64, RWTH, D 51 Aachen, Germany