Reports on Mathematical Physics 55/2 wer.kraj.

Contents of the Volume 55, number 2: S.Pasquero: Constraints in impulsive mechanick and Gauss's minimum principle A. M.Scarfone: Canonical quantization of classical systems with generalized entropies Liu Bao- Kand and He Long -Guang: Dirac-Nijenhuis structures on Lie bialgebroinds J. Kijowski and G. Rudolph: The observable algebra of lattice QCD Q.Krupkova and J. Musilova: Nonholonomic variational systems S. Karakilic S. Atilgan and O.A. Veliev: Asymptotic formulae for the Schrodinger operator with Dirichlet and Neumann boundary conditions A, Dvurecenskij, P. Lahti, S. Pulmannova and K.Ylinen: Notes on coarse grainings and functions of observables S.Gudder: A structure for quantum measurements Z. Mouayn: Coherent states attached to Landau levels on the Riemann sphere K.Sugawara- Tanebe: Triple degeneracies in the pseudospin and spin symmetries in the relativistic mean-field with deformed potential R. Fioresi: On the dynamics of self-gravitating ellipsoid in n dimensions and its deformation quantization V.A. Tychynin and O.G. Rasin : Nonlocal symmetry and generation of solutions for reaction-diffusion equations