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Quantum Theory and Symmetries [E-Book] : Proceedings of the 11th International Symposium, Montreal, Canada /
Table of Contents: ... operators. An example: the Salpeter equation -- Chapter 10.A new approach to analysis of 2D higher order quantum superintegrable systems -- Chapter 11.Ladder operators and rational extensions -- Chapter 12.Tachyons and Representations of Sp(2;R) -- Chapter 13.A...

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Supersymmetry and Quantum Field Theory [E-Book] : Proceedings of the D. Volkov Memorial Seminar Held in Kharkov, Ukraine, 5–7 January 1997 /