M. B. Paranjape - Quantum Theory and Symmetries; Proceedings of the 11th International Symposium, Montréal, Canada

The Centre de recherches mathmatiques (CRM) was created in 1968 by the Universit de Montral to promote research in the mathematical sciences. It is now a national institute that hosts several groups and hold special theme years, summer schools, workshops, and a postdoctoral program. The focus of its scientific activities ranges from pure to applied mathematics and includes statistics, theoretical computer science, mathematical methods in biology and life sciences, and mathematical and theoretical physics. The CRM also promotes collaboration between mathematicians and industry. It is subsidized by the Natural Sciences and Engineering Research Council in Canada, the Fonds FCAR of the Province of Qubec, and the Canadian Institute for Advanced Research and has private endowments. Current activities, fellowships, and annual reports can be found on the CRM Web page at www.CRM.UMontreal.CA .

The CRM Series in Mathematical Physics includes monographs, lecture notes, and proceedings based on research pursued and events held at the Centre de recherches mathmatiques.

More information about this series at http://www.springer.com/series/3872

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This book is the proceedings volume of the Symposium Quantum Theory and Symmetries-XI (QTS-XI) that was held in Montral from July 1st to 5th, 2019. The symposium consisted of nine sessions including a special session in honour of Professor Decio Levi of the University Roma Tre and the sessions: Algebraic Methods, Condensed Matter Physics, Cosmology and Gravitation, Integrability, Non-perturbative QFT, Particle Physics, Quantum Computing and Quantum Information Theory and String Theory/AdS-CFT. Each session was associated with one or two plenary speakers followed by parallel sessions with speakers of invited and contributed talks. For complete information, please visit the website: http://www.crm.umontreal.ca/2019/QTS2019/index_e.php . Several of the plenary speakers and many of the invited and contributing speakers have supplied a contribution to this proceedings volume. It is intended for use by students, researchers and professors in a wide range of fields from mathematical physics to more mainstream physics as evinced by the topics of the various parallel sessions. It should allow the reader to grasp the breadth and scope of the vast field of quantum theory and symmetries.

As these proceedings were being completed, our dear colleague, mentor and friend Pavel Winternitz passed away. We wish to dedicate this volume to him in recognition of his scientific legacy and as an expression of our gratitude.

QTS-XI was organized at the Centre de recherches mathmatiques, Universit de Montral, Montral, Qubec, Canada from July 5th to 9th, 2019.