Heinrich Heine University Düsseldorf 40225 Düsseldorf

Dean of the Faculty of Mathematics and Natural Sciences

Faculty of Mathematics and Natural Sciences

at the Heinrich Heine University Düsseldorf

The Dean

-Doctoral affairs-

Universitätsstr. 1

40225 Düsseldorf

Certificate of receipt of obligatory copies

I hereby certify that I have received of the dissertation

bearing the title Title of the dissertation

by First name Surname.

Düsseldorf, 28/11/18	_________________________

Signature of the

and departmental stamp