Ib Madsen, University of Copenhagen (IMAGE) University of Copenhagen Caption Professor Ib Madsen from the department of mathematical sciences at University of Copenhagen is awarded the Ostrowski Prize. Credit University of Copenhagen Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.