One-Dimensional Cohen-Macaulay Rings

h-Divisible and cotorsion modules.- Completions.- Compatible extensions.- Localizations.- Artinian divisible modules.- Strongly unramified ring extensions.- The closed components of R.- Simple divisible modules.- Semi-simple and uniserial divisible modules.- The integral closure.- The primary decomposition.- The first neighborhood ring.- Gorenstein rings.- Multiplicities.- The canonical ideal of R.