Differential Equations in Banach Spaces : Proceedings of a Conference held in Bologna July 2–5 1985 On fundamental solutions for abstract parabolic equations On some singular nonlinear evolution equations Some transmutation methods for canonical systems Scattering frequencies for time — Periodic scattering problems Periodic solutions for linear integrodifferential equations with infinite delay in Banach spaces Linearized stability for nonlinear semigroups On a class of semilinear parabolic equations in L1 On a singular non autonomous equation in Banach spaces On the spectrum of certain systems of linear evolution equations Some extensions of Thomas Fermi theory The extent of spatial regularity for parabolic integrodifferential equations An approach to the singular solutions of elliptic problems via the theory of differential equations in Banach spaces A two point problem for a second order abstract differential equation “Sharp” regularity results for mixed hyperbolic problems of second order C regularity for fully nonlinear abstract evolution equations Semilinear evolution equations in Fréchet spaces On some singular hyperbolic evolution equations in Hilbert spaces Periodic solutions of the thermostat problem Some questions on the integrodifferential equation u=AK*u+BM*u On fuchsian hyperbolic partial differential equations Global solutions to evolution equations of parabolic type Compact perturbations of weakly equicontinuous semigroups Cosine families of operators and applications Regularity of functions on an interval with values in the space of fractional powers of operators.