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The doctoral dissertation of Toni Vesikko, MSc, entitled On analytic and geometric properties of conformal maps of the unit disc in certainfunction spaces be examined at the Faculty of Science, Forestry and Technology, Joensuu Campus. The opponent will be Professor Toshiyuki Sugawa, Tohoku University, Graduate School of Information Sciences, and the custos will be University Lecturer Janne Heittokangas, 91����. Language of the public defence is English.