"These notes describe methods of constructing skew fields, in particular the coproduct coconstruction discovered by the author, and trace out some of the conseq

Non-commutative fields (also called skew fields or division rings) have not been studied as thoroughly as their commutative counterparts and most accounts have

The book is written in three parts. Part I consists of preparatory work on algebras, needed in Parts II and III. Part II consists of a modern description of the

A study of representations of rings over skew fields.

Here is the second volume of a revised edition of P.M. Cohn's classic three-volume text Algebra, widely regarded as one of the most outstanding introductory alg