1. Faculty of Mathematics , University of Vienna , Oskar-Morgenstern-Platz 1, A-1090; and Vienna School of Mathematics (VSM) , Vienna , Austria
2. Czech Academy of Sciences , Institute of Information Theory and Automation , Pod vodárenskou veží 4, CZ-182 00 , Prague 8; and Faculty of Civil Engineering, Czech Technical University, Thákurova 7, CZ-166 29, Prague 6 , Czech Republic
3. Faculty of Mathematics , University of Vienna , Oskar-Morgenstern-Platz 1; and Vienna Research Platform on Accelerating Photoreaction Discovery, University of Vienna, Währingerstrasse 17, A-1090 Vienna , Austria ; and Istituto di Matematica Applicata e Tecnologie Informatiche E. Magenes, via Ferrata 1, 27100 Pavia, Italy