Preface.- Pimsner algebras and noncommutative circle bundles.- A fractional Dirac operator.- On the Sylvester equation over quaternions.- The Essential Centre of the mod a Diagonalization Ideal Commutant of an n-tuple of Commuting Hermitian Operators.- Clifford-Hermite polynomials in fractional Clifford analysis.- Negative definite functions on groups with polynomial growth.- An introduction to superoscillatory sequences.- Restriction and factorization for isometric and symmetric operators in almost Pontryagin spaces.- Measurements vs Interactions: tracks in a Wilson cloud chamber.- The radii problems for holomorphic mappings in J∗-algebras.- Lévy Processes on Quantum Permutation Groups.- New results on old spectral triples for fractals.- Why are Orlicz spaces useful for Statistical Physics?.