Today I got an e-mail from Juliette Nuijten (Natural Join B.V.) alerting me that Toon Koppelaars will present on 29 November 2007, a mini seminar in Amstelveen 
(The Netherlands), based on his and Lex de Haan‘s book: Applied Mathematics for Database Professionals.
Unlucky enough, I will not be able to attend and I am sure this will be an very interesting mini seminar.
This is not only because Toon is a very gifted and inspiring speaker, but also because the seminar will present a very useful practical methods and theories applicable to us relational practitioners. The content of this seminar, which can also be found on the website of Ivan Pellegrin (www.maestridellarte.com) that organized this event, will have the following sections: