Circular matrices, duality theorems and the reality of Clebsch-Gordan coefficients R. P. Bickerstaff OriginalPaper Pages: 1 - 6
Poisson brackets for lagrangians linear in the velocity M. J. BergveltE. A. De Kerf OriginalPaper Pages: 13 - 19
On the Robinson theorem and shearfree geodesic null congruences Jacek Tafel OriginalPaper Pages: 33 - 39
Failure of reflection positivity in the quantum Heisenberg ferromagnet Eugene R. Speer OriginalPaper Pages: 41 - 47
Classical solutions of higher-dimensional nonlinear sigma models on spheres Kazuyuki Fujii OriginalPaper Pages: 49 - 54
Aq-difference analogue of U(g) and the Yang-Baxter equation Michio Jimbo OriginalPaper Pages: 63 - 69
New upper bounds for the magnetization in ferromagnetic one-component systems J. O. Vigfusson OriginalPaper Pages: 71 - 77
Axial anomaly and index theorem for Dirac-Kähler fermions Cesar A. LinharesJuan A. MignacoM. A. Rego Monteiro OriginalPaper Pages: 79 - 85