Deeply Inelastic Scattering.- Heavy Quark Production in DIS.- Renormalization of Composite Operator Matrix Elements.- Representation in Different Renormalization Schemes.- Calculation of the Massive Operator Matrix Elements up to O(as2 ε) .- Calculation of Moments at O(a33).- Heavy Flavor Corrections to Polarized Deep-Inelastic Scattering.- Heavy Flavor Contributions to Transversity.- First Steps Towards a Calculation of...