Search for dissertations about: "Jan-Erik Roos"

Found 2 swedish dissertations containing the words Jan-Erik Roos.

  2. 1. On the Koszulity of some quiver algebras

    Author : Brendan Frisk Dubsky; Volodymyr Mazorchuk; Jan-Erik Roos; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Mathematics; Matematik;

    Abstract : .... READ MORE

  4. 2. Khovanov Homology and Link Cobordisms

    Author : Magnus Jacobsson; Oleg Viro; Jan-Erik Roos; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Algebra and geometry; Khovanov homology; Jones polynomial; Link cobordisms; Algebra och geometri; Algebra and geometry; Algebra och geometri;

    Abstract : Khovanov homology associates to any link in three-dimensional space a bigraded chain complex of Z[c]-modules, whose graded Euler characteristic (after normalization) is the Jones polynomial of the link. The complex is invariant up to homotopy equivalence under ambient isotopy of the link. READ MORE