1. Announcement


Dear Colleague,

we would like to invite you to the

4th Workshop Operator Theory in Krein Spaces and Applications
Friday 17.to Sunday 19. December 2004 at the Technische Universität Berlin

If you are interested in participating and in giving a talk, or in receiving further announcements,
please let us know by sending an e-mail to the following address:


If you plan to give a talk, please send us an abstract by November, 25.

The talks will be scheduled for 25-30 minutes.

Up to now there is some funding avaible.

As in 2003 (3rd Workshop) we will be able to accommodate most of the participants in the
inexpensive Youth Hotel Vier Jahreszeiten Berlin (room rates about 20 EURO), see

Further information can be found on the website:

Contact information:
The local organizing committee consists of

Jussi Behrndt (behrndt@math.tu-berlin.de),
Karl-Heinz Förster (foerster@math.tu-berlin.de),
Peter Jonas (jonas@math.tu-berlin.de),
Christian Mehl (mehl@math.tu-berlin.de) and
Carsten Trunk (trunk@math.tu-berlin.de).

Petra Grimberger, MA 6-4, TU Berlin,
Straße des 17. Juni 136
D-10623 Berlin
Tel: (030) 3 14 - 2 56 51
Fax: (030) 3 14 - 2 11 10
e-mail: grimberger@math.tu-berlin.de

With best regards

the organizers