Search for dissertations about: "integer group ring"

Found 2 swedish dissertations containing the words integer group ring.

  2. 1. On the Picard Group of Integer Group Rings

    Author : Ola Helenius; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Picard group; Grothendieck group; integer group ring; cyclic group; cyclotomic field; class group; Kummer´s lemma; semi-regular prime; Picard group;

    Abstract : .... READ MORE

  4. 2. Abelian affine group schemes, plethories, and arithmetic topology

    Author : Magnus Carlson; Tilman Bauer; Minhyong Kim; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : In Paper A we classify plethories over a field of characteristic zero. All plethories over characteristic zero fields are ``linear", in the sense that they are free plethories on a bialgebra. For the proof of this classification we need some facts from the theory of ring schemes where we extend previously known results. READ MORE