Dear students, dear colleagues

Please join us for tomorrow's colloquium by

Marcus Spradlin Cern, Switzerland and Brown University, USA

who will talk about

The Remarkable Mathematical Structure of Scattering Amplitudes

Please visit our web page http://www.colloquium.phys.ethz.ch for details.

Best regards

Tilman Esslinger Thomas Gehrmann Juerg Osterwalder Renato Renner