Exact solutions for a classical doubly anharmonic oscillator S. N. BeheraAvinash Khare OriginalPaper Pages: 153 - 156
Local cohomology of the algebra of C ∞ functions on a connected manifold M. CahenS. GuttM. De Wilde OriginalPaper Pages: 157 - 167
Systems of covariance and subrepresentations of induced representations D. P. L. CastrigianoR. W. Henrichs OriginalPaper Pages: 169 - 175
Comparison of the two-soliton collision for several nonlinear evolution equations Benno Fuchssteiner OriginalPaper Pages: 177 - 183
Conserved densities of the fifth-order Korteweg-de Vries equation Atsuo FujimotoYoshihide Watanabe OriginalPaper Pages: 185 - 193
Reduction of two-dimensional G-invariant σ-models V. L. GoloB. A. Putko OriginalPaper Pages: 195 - 200
Star-polarization: A natural link between phase space representation and operator representation of quantum mechanics T. V. Huynh OriginalPaper Pages: 201 - 208
An exactly solvable quarkonium model and lower bounds on 3 p J decay rates Pushpa JoshiAvinash Khare OriginalPaper Pages: 209 - 214
Gel'fand-Dikii method and nonlinear equations associated to Schrödinger operators with energy-dependent potentials L. Martínez Alonso OriginalPaper Pages: 215 - 222
Ermakov systems, Noether's theorem and the Sarlet-Bahar method John R. RayJames L. Reid OriginalPaper Pages: 235 - 240
Noether's theorem and Steudel's conserved currents for the sine-Gordon equation W. F. Shadwick OriginalPaper Pages: 241 - 248
On the calculation of multiplicities for representations of SU(n) Igor Szczyrba OriginalPaper Pages: 249 - 256