Table of contents : Front Matter....Pages i-viii Introduction....Pages 1-7 The Space L (Algebraic Theory)....Pages 8-13 Dual Theory (Algebraic)....Pages 14-32 Transcendental Theory....Pages 33-47 Analytic Dual Theory....Pages 48-72 Basic Properties of ψ Operator....Pages 73-91 Calculation Modulo p of the Matrix of α f,h ....Pages 92-107 Hasse Invariants....Pages 108-109 The a → a ′ Map....Pages 110-112 Normalized Solution Matrix....Pages 113-136 Nilpotent Second-Order Linear Differential Equations with Fuchsian Singularities....Pages 137-144 Second-Order Linear Differential Equations Modulo Powers of p ....Pages 145-158 Dieudonné Theory....Pages 159-167 Canonical Liftings ( l ≥ 1)....Pages 168-174 Abelian Differentials....Pages 175-177 Canonical Lifting for l = 1....Pages 178-183 Supersingular Disks....Pages 184-194 The Function τ on Supersingular Disks ( l = 1)....Pages 195-201 The Defining Relation for the Canonical Lifting ( l = 1)....Pages 202-219 Semisimplicity....Pages 220-231 Analytic Factors of Power Series....Pages 232-241 p -adic Gamma Functions....Pages 242-249 p -adic Beta Functions....Pages 250-256 Beta Function as Residues....Pages 257-263 Singular Disks, Part I....Pages 264-271 Singular Disks, Part II. Nonlogarithmic Case....Pages 272-279 Singular Disks, Part III. Logarithmic Case....Pages 280-285 Back Matter....Pages 287-312