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Found 55 Documents (Results 1–55)

\(N\)-soliton solutions, Bäcklund transformation and conservation laws for the integro-differential nonlinear Schrödinger equation from the isotropic inhomogeneous Heisenberg spin magnetic chain. (Russian, English) Zbl 1313.35329

Zh. Vychisl. Mat. Mat. Fiz. 54, No. 4, 720-720 (2014); translation in Comput. Math. Math. Phys. 54, No. 4, 727-743 (2014).
MSC:  35Q55 37K10
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Double ball property: an overview and the case of step two Carnot groups. (English) Zbl 1317.35273

“Bruno Pini” Mathematical Analysis Seminar, University of Bologna, Department of Mathematics: Academic Year 2012. Papers from the seminar held in Bologna, Italy, 2012. Bologna: Univ. Bologna, Department of Mathematics. 33-47 (2012).
MSC:  35R03 35J70
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Spectral analysis and geometry of sub-Laplacian and related Grushin-type operators. (English) Zbl 1307.58012

Demuth, Michael (ed.) et al., Partial differential equations and spectral theory. Basel: Birkhäuser (ISBN 978-3-0348-0023-5/hbk; 978-3-0348-0024-2/ebook). Operator Theory: Advances and Applications 211. Advances in Partial Differential Equations, 183-290 (2011).
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Numerical methods for solving integral equations for functions with double orthogonality. (English. Russian original) Zbl 1075.65150

Differ. Equ. 40, No. 9, 1321-1329 (2004); translation from Differ. Uravn. 40, No. 9, 1248-1255 (2004).
MSC:  65R20 45E10 42C05
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Regular representation of the quantum Heisenberg double \(\{ U_q(sl(2)),Fun_q(SL(2))\}\) \((q\) is a root of unity). (English) Zbl 0907.17011

J. Math. Sci., New York 85, No. 1, 1629-1639 (1997); translation from Zap. Nauchn. Semin. POMI 215, 115-129 (1994).
MSC:  17B37 16W30 81R50
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Poisson Lie groups, quantum duality principle, and the quantum double. (English) Zbl 0841.17008

Sally, Paul J. jun. (ed.) et al., Mathematical aspects of conformal and topological field theories and quantum groups. AMS-IMS-SIAM summer research conference, June 13-19, 1992, Mount Holyoke College, South Hadley, MA, USA. Providence, RI: American Mathematical Society. Contemp. Math. 175, 219-248 (1994).
MSC:  17B37 53D50 16W30 37J99 22D35
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