## Found 129 Documents (Results 1–100)

100
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### A dual construction of the isotropic Landau-Lifshitz model. (English)Zbl 1453.37060

MSC:  37K10 35Q82 35Q40
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### On a Neumann boundary value problem for Ermakov-Painlevé III. (English)Zbl 1438.34110

MSC:  34B30 34B16
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### Dressing the boundary: on soliton solutions of the nonlinear Schrödinger equation on the half-line. (English)Zbl 1420.35388

MSC:  35Q55 37K15 35C08
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### Soliton solutions of the sine-Gordon equation on the half line. (English)Zbl 1407.35052

MSC:  35C08 35L71 35L20
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### Interplay between the inverse scattering method and Fokas’s unified transform with an application. (English)Zbl 1388.37073

MSC:  37K15 35Q55 35A22
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### The Fokas-Lenells equation on the finite interval. (English)Zbl 1399.35336

MSC:  35Q55 37K10
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### On integrable boundaries in the 2 dimensional $$O(N)\sigma$$-models. (English)Zbl 1382.81131

MSC:  81T10 81T13 81R12
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### The open XXX spin chain in the SoV framework: scalar product of separate states. (English)Zbl 1373.82020

MSC:  82B20 82B23
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### Inverse scattering transform for the defocusing nonlinear Schrödinger equation with fully asymmetric non-zero boundary conditions. (English)Zbl 1415.35217

MSC:  35P25 35Q55 37K10
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### Boundary conditions for infinite conservation laws. (English)Zbl 1384.35114

MSC:  35Q53 37K10 35Q55
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### Optimal lower bound for the first eigenvalue of the fourth order equation. (English)Zbl 1360.34170

MSC:  34L15 34B09 49K35
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### Local well-posedness of KP-I initial value problem on torus in the Besov space. (English)Zbl 1342.35078

MSC:  35G31 37K10
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### Homogenization of systems with equi-integrable coefficients. (English)Zbl 1326.35020

MSC:  35B27 49K20
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### Boundary energy of the open XXX chain with a non-diagonal boundary term. (English)Zbl 1285.82020

J. Phys. A, Math. Theor. 47, No. 3, Article ID 032001, 9 p. (2014); corrigendum ibid. 47, No. 7, Article ID 079501, 2 p. (2014).
MSC:  82B20 82B23
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### Wave breaking and measure of momentum support for an integrable Camassa-Holm system with two components. (English)Zbl 1304.35229

MSC:  35G61 37K10 35Q35
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### Heisenberg XXX model with general boundaries: eigenvectors from algebraic Bethe ansatz. (English)Zbl 1288.82020

MSC:  82B23 81R12 82B20
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### Algebraic Bethe ansatz for the six vertex model with upper triangular $$K$$-matrices. (English)Zbl 1284.82026

MSC:  82B23 81R12
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### Algebraic Bethe ansatz for open XXX model with triangular boundary matrices. (English)Zbl 1280.82003

MSC:  82B23 81R12
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### Nonlinear degenerate diffusion problems with a singularity. (English)Zbl 1226.35038

Reviewer: Jiaqi Mo (Wuhu)
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### The spectrum of an open vertex model based on the $$U_q[SU(2)]$$ algebra at roots of unity. (English)Zbl 1204.82010

MSC:  82B20 82B23
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### On NLS equations on BD.I symmetric spaces with constant boundary conditions. (English)Zbl 1187.35235

Sekigawa, Kouei (ed.) et al., Trends in differential geometry, complex analysis and mathematical physics. Proceedings of 9th international workshop on complex structures, integrability and vector fields, Sofia, Bulgaria, August 25–29, 2008. Hackensack, NJ: World Scientific (ISBN 978-981-4277-71-6/hbk). 83-91 (2009).
MSC:  35Q55 37K05 37K10 37K30 35P05

### Eigenvectors of the Baxter-Bazhanov-Stroganov $$\tau^{(2)}(t_q)$$ model with fixed-spin boundary conditions. (English. Russian original)Zbl 1157.82309

Theor. Math. Phys. 155, No. 1, 585-597 (2008); translation from Teor. Mat. Fiz. 155, No. 1, 94-108 (2008).
MSC:  82B20
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### Continuous spectrum and square-integrable solutions of differential operators with intermediate deficiency index. (English)Zbl 1165.34052

MSC:  34L05 47E05
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### Completely integrable systems associated with classical root systems. (English)Zbl 1192.81190

MSC:  81R12 70H06 37K10
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### C-series discrete chains. (English)Zbl 1177.37075

Theor. Math. Phys. 146, No. 2, 170-182 (2006); translation from Teor. Mat. Fiz. 146, No. 2, 208-221 (2006).
MSC:  37K60
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### Bethe ansatz and boundary energy of the open $$\mathrm{spin}$$-$$\frac12$$ $$XXZ$$ chain. (English)Zbl 1125.82007

MSC:  82B20 82B23
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### Dirichlet and Neumann problems for string equation, Poncelet problem and Pell-Abel equation. (English)Zbl 1092.35054

MSC:  35L20 14H70 35L05
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### The Riemann problem and matrix-valued potentials with a convergent Baker-Akhiezer function. (English)Zbl 1178.30048

Theor. Math. Phys. 144, No. 3, 1264-1278 (2005); translation from Teor. Mat. Fiz. 144, No. 3, 453-471 (2005).
MSC:  30E25 37K10 37K20
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### Mixed integrable $$\text{SU}(N)$$ vertex model with arbitrary twists. (English)Zbl 1119.82304

MSC:  82B23 81R12
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### Algebraic Bethe ansatz for the Zamolodchikov-Fateev and Izergin-Korepin models with open boundary conditions. (English)Zbl 1123.82326

MSC:  82B23 81R12
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### Numerical discretization of boundary conditions for first order Hamilton–Jacobi equations. (English)Zbl 1058.65102

MSC:  65M60 35L60 35Q58 65M12 49L25
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### Excited TBA equations. II: Massless flow from tricritical to critical Ising model. (English)Zbl 1072.82010

MSC:  82B20 82B27
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### Boundary scattering, symmetric spaces and the principal chiral model on the half-line. (English)Zbl 1018.58021

MSC:  58J50 81T10 81U20
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### On integrability of many-body problems with point interactions. (English)Zbl 1064.70015

Albeverio, S. (ed.) et al., Operator methods in ordinary and partial differential equations. Proceedings of the S. Kovalevsky symposium, Stockholm, Sweden, June 2000. Basel: Birkhäuser (ISBN 3-7643-6790-3/hbk). Oper. Theory, Adv. Appl. 132, 67-76 (2002).
MSC:  70H06 81U10
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### Spectrum of boundary states in $$N=1$$ SUSY sine-Gordon theory. (English)Zbl 0999.81040

MSC:  81T10 81T60
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### Parabolic equations: Asymptotic behavior and dynamics on invariant manifolds. (English)Zbl 1002.35001

Fiedler, Bernold (ed.), Handbook of dynamical systems. Volume 2. Amsterdam: Elsevier. 835-883 (2002).

### Conformal boundary conditions. (English)Zbl 1024.81037

Ahn, Changrim (ed.) et al., Integrable quantum field theories and their applications. Proceedings of the APCTP winter school, Cheju Island, Republic of Korea, February 28-March 4, 2000. Singapore: World Scientific. 318-342 (2001).

### Finite size effects in integrable quantum field theories. (English)Zbl 0995.81050

Horváth, Zalán (ed.) et al., Non-perturbative QFT methods and their applications. Proceedings of the 24th Johns Hopkins workshop on current problems in particle theory 24, Budapest, Hungary, August 19-21, 2000. Singapore: World Scientific. 199-264 (2001).
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### On the boundary conditions for products of Sturm-Liouville differential operators. (English)Zbl 1006.34026

Reviewer: Pavel Rehak (Brno)
MSC:  34B24 47A55 47E05

### Seocond order quantum corrections to the classical reflection factor of the sinh-Gordon model. (English)Zbl 1022.81034

MSC:  81T10 81T15 81R12
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### On Birkhoff coordinates for KdV. (English)Zbl 1017.76015

MSC:  76B25 37K10 35Q53
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### The minimal LM(3,4) lattice model and the two-dimensional Ising model with cylindrical boundary conditions. (English. Russian original)Zbl 1018.82003

Theor. Math. Phys. 126, No. 1, 48-65 (2001); translation from Teor. Mat. Fiz. 126, No. 1, 63-83 (2001).
MSC:  82B20 82B28
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### Approximate solutions of the Kuramoto-Sivashinsky equation for periodic boundary value problems and chaos. (English)Zbl 0986.65126

MSC:  65P20 35Q58 35Q53 37J45 37D45
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### Correspondence between the $$XXZ$$ model in roots of unity and the one-dimensional quantum Ising chain with different boundary conditions. (English)Zbl 1042.82009

Pakuliak, Stanislav (ed.) et al., Integrable structures of exactly solvable two-dimensional models of quantum field theory. Proceedings of the NATO Advanced Research workshop on dynamical symmetries of integrable quantum field theory and lattice models, Kiev, Ukraine, September 25–30, 2000. Dordrecht: Kluwer Academic Publishers (ISBN 0-7923-7183-6). NATO Sci. Ser. II, Math. Phys. Chem. 35, 321-331 (2001).
MSC:  82B20 82B10

### External voltage sources and tunnelling in quantum wires. (English)Zbl 0982.81025

MSC:  81Q99 81V80 82C99
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### Boundary remnant of Yangian symmetry and the structure of rational reflection matrices. (English)Zbl 0977.81058

MSC:  81T05 81T10
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### Surface tension of a metal-electrolyte boundary: Exactly solvable model. (English)Zbl 0990.82033

MSC:  82D10 82B05
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### Multi-symplectic Fourier pseudospectral method for the nonlinear Schrödinger equation. (English)Zbl 0980.65108

MSC:  65M70 65P10 37K10 37J05 65M15 35Q55 37J45
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### Integrable and conformal boundary conditions for $$\widehat{\text{sl}}(2) A\text{-}D\text{-}E$$ lattice models and unitary minimal conformal field theories. (English)Zbl 0989.82016

MSC:  82B20 81T40 81T27
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MSC:  82B20
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### Normal modes on average for purely stochastic systems. (English)Zbl 0965.82018

MSC:  82C20 37H99
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### Boundary spectrum in the sine-Gordon model with Dirichlet boundary conditions. (English)Zbl 1032.81533

MSC:  81T10 81R12 37K99
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### Integrable boundary conditions for nonlinear lattices. (English)Zbl 0958.37054

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, 173-180 (2000).
MSC:  37K15 37K10 37K60
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### KAM tori for 1D nonlinear wave equations with periodic boundary conditions. (English)Zbl 0956.37054

MSC:  37K55 37K10 35L70
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### The reconstruction of local quantum operators for the boundary $$XXZ$$ spin-$$\frac 12$$ Heisenberg chain. (English)Zbl 0956.82006

MSC:  82B20 82B23
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### Near-integrability of periodic FPU-chains. (English)Zbl 1060.37503

MSC:  37J35 37J45
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### Integration of the $$\text{SL}(2,{\mathbb{R}})/\text{U}(1)$$ gauged WZNW model with periodic boundary conditions. (English)Zbl 0951.81070

MSC:  81T40 81T75
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### Particle reflection amplitudes in $$a^{(1)}_n$$ Toda field theories. (English)Zbl 0958.81027

MSC:  81T10 81R12
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### Equations of motion and conserved quantities in non-abelian discrete integrable models. (English. Russian original)Zbl 0991.81038

Theor. Math. Phys. 119, No. 1, 420-430 (1999); translation from Teor. Mat. Fiz. 119, No. 1, 34-46 (1999).
MSC:  81R12 82B23 39A12
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### Boundary breathers in the sinh-Gordon model. (English)Zbl 0945.81023

MSC:  81T10 81T40 81Q20
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### Open $$t$$-$$J$$ chain with boundary impurities. (English)Zbl 0961.82010

MSC:  82B23 82B20
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### New solutions to the reflection equation and the projecting method. (English)Zbl 0988.82011

MSC:  82B20 81R50
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### Integrable mappings of KdV type and hyperelliptic addition theorems. (English)Zbl 0928.37015

Clarkson, Peter A. (ed.) et al., Symmetries and integrability of difference equations. Proceedings of the 2nd international conference, Canterbury, UK, July 1–5, 1996. Cambridge: Cambridge University Press. Lond. Math. Soc. Lect. Note Ser. 255, 64-78 (1999).

### Classical backgrounds and scattering for affine Toda theory on a half-line. (English)Zbl 0958.81024

MSC:  81T10 37K40
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### Two-component one-dimensional gas with integrable open boundary conditions. (English)Zbl 0952.82006

MSC:  82B23 82B10
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### Ruijsenaars-Macdonald-type difference operators from $$\mathbb{Z}_n$$ Belavin model with open boundary conditions. (English)Zbl 0953.82020

MSC:  82B23 81R50 39A70
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### A one-dimensional many-body integrable model from $$Z_n$$ Belavin model with open boundary conditions. (English)Zbl 0928.17028

MSC:  81V70 81R50 82B23
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### Nine classes of integrable boundary conditions for the eight-state supersymmetric fermion model. (English)Zbl 0936.82009

MSC:  82B23 82B20
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### Lax pair formulation for a small-polaron chain with integrable boundaries. (English)Zbl 0920.58026

MSC:  37J35 37K10
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### Canonically conjugate variables for the Volterra lattice with periodic boundary conditions. (English. Russian original)Zbl 0916.58017

Math. Notes 64, No. 1, 98-109 (1998); translation from Mat. Zametki 64, No. 1, 115-128 (1998).
MSC:  37J35 37K10
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### Reconstruction of the velocity from the vorticity in three-dimensional fluid flows. (English)Zbl 0919.76075

MSC:  76M30 76B47 35Q35
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### Boundary conditions for integrable equations. (English)Zbl 0927.35093

MSC:  35Q53 37J35 58J70
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### On the numerical solution of the sine-Gordon equation. I: Integrable discretizations and homoclinic manifolds. (English)Zbl 0866.65064

MSC:  65M70 35Q53
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### Fusion procedure for the $$Z_n$$ Belavin model with open boundary conditions. (English)Zbl 0905.17019

MSC:  17B37 82B23 81R50
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### Integrable boundary conditions for the Toda lattice. (Russian. English summary)Zbl 0858.35118

Kalyakin, L. A. (ed.) et al., Asymptotics and symmetries in nonlinear dynamical systems. Ufa: Institut Matematiki s Vychislitel’nym Tsentrom RAN. 7-30 (1995).
MSC:  35Q58 37J35 37K10
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