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Found 40 Documents (Results 1–40)

Superintegrable systems with spin in two- and three-dimensional Euclidean spaces. (English) Zbl 1144.81467

Gaeta, Giuseppe (ed.) et al., Symmetry and perturbation theory. Proceedings of the 6th international conference, SPT 2007, Otranto, Italy, June 2–9, 2007. Hackensack, NJ: World Scientific (ISBN 978-981-277-616-7/hbk). 215-222 (2008).
MSC:  81R12 81Q05
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Bäcklund transformations as nonlinear ordinary differential, or difference equations with superposition formulas. (English) Zbl 0998.34005

Coley, Alan (ed.) et al., Bäcklund and Darboux transformations. The geometry of solitons. AARMS-CRM workshop, Halifax, Canada, June 4-9, 1999. With short biographies of Albert Victor Bäcklund and Gaston Darboux. Providence, RI: American Mathematical Society (AMS). CRM Proc. Lect. Notes. 29, 429-436 (2001).
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Superposition formulas based on nonprimitive group action. (English) Zbl 1004.34006

Coley, Alan (ed.) et al., Bäcklund and Darboux transformations. The geometry of solitons. AARMS-CRM workshop, Halifax, Canada, June 4-9, 1999. With short biographies of Albert Victor Bäcklund and Gaston Darboux. Providence, RI: American Mathematical Society (AMS). CRM Proc. Lect. Notes. 29, 225-231 (2001).
MSC:  34A26 22E60
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Symmetry preserving discretization of the Burgers equation. (English) Zbl 0963.35168

Levi, Decio (ed.) et al., SIDE III - Symmetries and integrability of difference equations. Proceedings of the 3rd conference, Sabaudia, Italy, May 16-22, 1998. Providence, RI: American Mathematical Society (AMS). CRM Proc. Lect. Notes. 25, 197-208 (2000).
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On Lie group classification of second-order ordinary difference equations. (English) Zbl 0959.39017

Boiti, M. (ed.) et al., Proceedings of the workshop on nonlinearity, integrability and all that: twenty years after NEEDS ’79, Lecce, Italy, July 1-10, 1999. Singapore: World Scientific. 250-257 (2000).
MSC:  39A12 34A26 22E05
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Lie point symmetries of differential difference equations. (English) Zbl 0860.22016

Levi, Decio (ed.) et al., Symmetries and integrability of difference equations. Papers from the workshop, May 22–29, 1994, Estérel, Canada. Providence, RI: American Mathematical Society. CRM Proc. Lect. Notes. 9, 199-208 (1996).
MSC:  22E70 35A30 35Q53
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Continuous symmetries of differential-difference equations. (English) Zbl 1102.35366

Bertrand, J. (ed.) et al., Modern group theoretical methods in physics. Proceedings of the conference in honour of Guy Rideau on the occasion of his retirement, Paris, France, January 1995. Dordrecht: Kluwer Academic Publishers (ISBN 0-7923-3645-3/hbk). Math. Phys. Stud. 18, 271-281 (1995).
MSC:  35R10 35A30 58J70
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Lie groups and solutions of nonlinear partial differential equations. (English) Zbl 0830.35004

Ibort, L. A. (ed.) et al., Integrable systems, quantum groups, and quantum field theories. Proceedings of the NATO Advanced Study Institute and XXIII GIFT international seminar on recent problems in mathematical physics, Salamanca, Spain, 15-27 June 1992. Dordrecht: Kluwer Academic Publishers. NATO ASI Ser., Ser. C, Math. Phys. Sci. 409, 429-495 (1993).
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Symmetries of differential equations on a lattice. An example: The Toda lattice. (English) Zbl 0790.34005

Ibragimov, N. Kh. (ed.) et al., Modern group analysis: Advanced analytical and computational methods in mathematical physics. Proceedings of the international workshop Acireale, Catania, Italy, October 27-31, 1992. Dordrecht: Kluwer Academic Publishers. 265-272 (1993).
MSC:  34A25 22E05 70H33
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