H. PESCE|||Quelques applications de la théorie des représentations en géométrie spectrale|||1-63||| P. MÖSENEDER FRAJRIA|||A guide to L-operators|||65-85||| M.G. CITTERIO|||The Reidemeister number as a homotopy equalizer|||87-101||| T. RYBICKI|||On the group of Poisson diffeomorphisms of the torus|||103-129||| A. SAMBUSETTI|||Einstein manifolds and obstructions to the existence of Einstein metrics|||131-149||| M. FALCITELLI, A. FARINOLA, O.T. KASSABOV|||Almost Kähler manifolds whose antiholomorphic sectional curvature is pointwise constant|||151-166||| I. DOTTI, J. LAURET|||Curvature properties of solvable extensions of H-type groups|||167-179||| M. BORDONI|||Spectral comparison between Dirac and Schrödinger operators|||181-196||| A. SAVO|||Heat content and mean curvature|||197-219|||