Integrable symplectic maps M Bruschi, O Ragnisco, PM Santini, T Gui-Zhang Physica D: Nonlinear Phenomena 49 (3), 273-294, 1991 | 217 | 1991 |
Exact solution of the classical and quantal one-dimensional many-body problems with the two-body potential V_a(x) = g^2a^2/sinh^2(ax) P Calogero, O Ragnisco, C Marchioro Lettere al Nuovo Cimento (1971-1985) 13 (10), 383-387, 1975 | 172* | 1975 |
A systematic construction of completely integrable Hamiltonians from coalgebras A Ballesteros, O Ragnisco Journal of Physics A: Mathematical and General 31 (16), 3791, 1998 | 144 | 1998 |
Integrable time-discretisation of the Ruijsenaars-Schneider model FW Nijhoff, O Ragnisco, VB Kuznetsov Communications in mathematical physics 176 (3), 681-700, 1996 | 110 | 1996 |
R-matrices and higher Poisson brackets for integrable systems W Oevel, O Ragnisco Physica A, 1990 | 108 | 1990 |
Reduction techniques for infinite-dimensional Hamiltonian systems: some ideas and applications F Magri, C Morosi, O Ragnisco Communications in mathematical physics 99 (1), 115-140, 1985 | 101 | 1985 |
A novel hierarchy of integrable lattices I Merola, O Ragnisco, T Gui-Zhang Inverse Problems 10 (6), 1315, 1994 | 83 | 1994 |
Quantum mechanics on spaces of nonconstant curvature: the oscillator problem and superintegrability Á Ballesteros, A Enciso, FJ Herranz, O Ragnisco, D Riglioni Annals of Physics 326 (8), 2053-2073, 2011 | 81 | 2011 |
The nonabelian Toda lattice: discrete analogue of the matrix Schrödinger spectral problem M Bruschi, SV Manakov, O Ragnisco, D Levi Journal of Mathematical Physics 21 (12), 2749-2753, 1980 | 79 | 1980 |
Superintegrability on N-dimensional curved spaces: Central potentials, centrifugal terms and monopoles Á Ballesteros, A Enciso, FJ Herranz, O Ragnisco Annals of Physics 324 (6), 1219-1233, 2009 | 78 | 2009 |
Continuous and discrete matrix Burgers’ hierarchies D Levi, O Ragnisco, M Bruschi Il Nuovo Cimento B (1971-1996) 74, 33-51, 1983 | 78 | 1983 |
Lax representation and complete integrability for the periodic relativistic Toda lattice M Bruschi, O Ragnisco Physics Letters A 134 (6), 365-370, 1989 | 76 | 1989 |
Mastersymmetries, angle variables, and recursion operator of the relativistic Toda lattice W Oevel, B Fuchssteiner, H Zhang, O Ragnisco Journal of mathematical physics 30 (11), 2664-2670, 1989 | 72 | 1989 |
The Dbar-approach to the dispersionless KP hierarchy B Konopelchenko, LM Alonso, O Ragnisco Journal of Physics A: Mathematical and General 34 (47), 10209, 2001 | 70 | 2001 |
Recursion operator and Bäcklund transformations for the Ruijsenaars-Toda lattice M Bruschi, O Ragnisco Physics Letters A 129 (1), 21-25, 1988 | 70 | 1988 |
Integrable cellular automata M Bruschi, PM Santini, O Ragnisco Physics Letters A 169 (3), 151-160, 1992 | 69 | 1992 |
Bäcklund transformation vs. the dressing method D Levi, O Ragnisco, A Sym Lettere al Nuovo Cimento (1971-1985) 33, 401-406, 1982 | 68 | 1982 |
Hamiltonian systems admitting a Runge–Lenz vector and an optimal extension of Bertrand’s theorem to curved manifolds A Ballesteros, A Enciso, FJ Herranz, O Ragnisco Communications in Mathematical Physics 290, 1033-1049, 2009 | 64 | 2009 |
On non-isospectral flows, Painlevé equations, and symmetries of differential and difference equations D Levi, O Ragnisco, MA Rodriguez Theoretical and Mathematical Physics 93 (3), 1409-1414, 1992 | 62 | 1992 |
A maximally superintegrable system on an n-dimensional space of nonconstant curvature A Ballesteros, A Enciso, FJ Herranz, O Ragnisco Physica D: Nonlinear Phenomena 237 (4), 505-509, 2008 | 60 | 2008 |