On necessary and sufficient conditions for the existence of time and entropy operators in quantum mechanics Maurice Courbage OriginalPaper Pages: 425 - 432
Explicit solutions to two-dimensionalized Volterra equations A. N. LeznovM. V. SavelievV. G. Smirnov OriginalPaper Pages: 445 - 449
On the geometric origin of the equation ϕ,11 — ϕ,22 = eϕ — e-2ϕ V. V. Nesterenko OriginalPaper Pages: 451 - 456
Euclidean electromagnetic field as Ito's random current: a simple proof of Markov property S. C. Lim BriefCommunication Pages: 465 - 467
Some remarkableR-separable coordinate systems for the Helmholtz equation E. G. KalninsW. Miller Jr OriginalPaper Pages: 469 - 474
Generalized stochastic mechanics on Riemannian manifolds Mark Davidson OriginalPaper Pages: 475 - 483
Hamiltonian structure of isospectral deformation equation and semi-classical approximation to factorizedS-matrices D. V. ChudnovskyG. V. Chudnovsky OriginalPaper Pages: 485 - 493
Antibound states for a class of one-dimensional Schrödinger operators A. Angeletti OriginalPaper Pages: 495 - 504
On the structure of gauge invariant classical observables in lattice gauge theories B. Durhuus OriginalPaper Pages: 515 - 522