Volume 23, Issue 2 (2004)

Articoli

• Preface

  Luigi Martina, Giuseppe Saccomandi, Raffaele Vitolo

  1-1

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• Contact symmetries of the elliptic Euler-Darboux equation

  Diego Ferraioli Catalano, Gianni Manno, Fabrizio Pugliese

  3-14

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• Symmetries and symmetry-invariant solutions of differential equations

  Giampaolo Cicogna

  15-31

  • PDF

• PDEs reduction and $\lambda$-symmetries

  Giuseppe Gaeta, Paola Morando

  33-73

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• Higher order valued reduction theorems for general linear connections

  Josef Janyška

  75-97

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• Geometric methods of solving boundary-value problems

  Arthemy V. Kiselev

  99-111

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• Generalized time-dependent oscillators:results from a group-theoretical approach and their application to cosmology

  G. Landolfi, G. Soliani

  113-137

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• Lie Symmetries for Lattice Equations

  Decio Levi

  139-156

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• Relativistic mechanics, cosymplectic manifolds and symmetries

  Gianni Manno, Raffaele Vitolo

  157-171

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• Quantum Bi-Hamiltonian systems, alternative Hermitian structuresand Bi-Unitary transformations

  G. Marmo, G. Scolarici, A. Simoni, F. Ventriglia

  173-181

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• Chern-Simons field theory on Non-Commutative Plane

  Luigi Martina

  183-193

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• Lie symmetries of differential equations:direct and inverse problems

  Francesco Oliveri

  195-216

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• A Personal Overview on the Reduction Methods for Partial Differential Equations

  Giuseppe Saccomandi

  217-248

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