... Fig 7) To compute such derivatives it is useful to use the monodromy matrix, mij , which relates initial and final coordinates and momenta in a vicinity of periodic orbit in the linear approximation ... Frontiers in Number Theory, Physics, and Geometry I Pierre Cartier Bernard Julia Pierre Moussa Pierre Vanhove (Eds.) Frontiers in Number Theory, Physics, and Geometry I On Random Matrices, ... graining appears naturally in experimental settings and, usually, it is more easy to treat Third, one tries to understand statistical properties of quantum quantities by organizing them in suitable...