The aim of this year's symposium is to expose the preeminent `Unsolved Problems in the Theory of Quantum Systems' and to discuss emergent novel ideas for their solution. By bringing together leading experts from a wide range of research areas in quantum theory, such as particle and astroparticle physics, condensed matter physics, and cold atoms, we want to foster a stimulating and truly cross-disciplinary dialogue.

Confirmed Speakers:

• Asimina Arvanitaki (Perimeter Inst.)
• Alejandra Castro (U of Cambridge)
• Clàudia Climent (U de Barcelona)
• Eugene Demler (ETH Zurich)
• Antoine Georges (Collège de France, Paris & Flatiron Inst., New York)
• Stefanie Gräfe (FSU Jena)
• Chris H. Greene (Purdue U)
• Mikhail Katsnelson (Radboud U Nijmegen)
• Henning Kirchberg (Chalmers U)
• Zohar Komargodski (SCGP, Stony Brook)
• Markus Luty (U of California, Davis)
• Andrew Millis (Columbia U & Flatiron Inst., New York)
• Shaul Mukamel (U of California, Irvine)
• Hirosi Ooguri (Caltech & Kavli IPMU, Tokyo)
• Julio Parra-Martinez (IHES, Bures-sur-Yvette)
• Markus Reiher (ETH Zürich)
• Slava Rychkov (IHES, Bures-sur-Yvette)
• Morgane Vacher (Nantes U)
• Andreas Weiler (TU Munich)

Registration: https://indico.desy.de/event/47240/

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On Friday afternoon (May 16), we will host a Festive Colloquium in honor of Alexander Lichtenstein. The colloquium will feature talks by distinguished speakers and a celebration of his scientific legacy.

Confirmed speakers:

• Silke Biermann (École Polytechnique)
• Guy Cohen (Tel Aviv U)
• Olga Smirnova (Max Born Institute, Berlin)
• Dieter Vollhardt (U Augsburg)

Please visit the event page for further information: https://indico.desy.de/event/47388/

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Organizing committee: Christophe Grojean, Nina Rohringer, Robin Santra, Volker Schomerus, Jörg Teschner, Michael Thorwart, Tim Wehling

The Symposium is supported by the Cluster of Excellence Quantum Universe and the Cluster of Excellence CUI: Advanced Imaging of Matter