Search for dissertations about: "Gustav Sædén Ståhl"

Found 2 swedish dissertations containing the words Gustav Sædén Ståhl.

  2. 1. Rees algebras of modules and Quot schemes of points

    Author : Gustav Sædén Ståhl; Roy Skjelnes; David Rydh; Runar Ile; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Mathematics; Matematik;

    Abstract : This thesis consists of three articles. The first two concern a generalization of Rees algebras of ideals to modules. Paper A shows that the definition of the Rees algebra due to Eisenbud, Huneke and Ulrich has an equivalent, intrinsic, definition in terms of divided powers. READ MORE

  4. 2. Hilbert schemes and Rees algebras

    Author : Gustav Sædén Ståhl; David Rydh; Karen Smith; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Mathematics; Matematik;

    Abstract : The topic of this thesis is algebraic geometry, which is the mathematical subject that connects polynomial equations with geometric objects. Modern algebraic geometry has extended this framework by replacing polynomials with elements from a general commutative ring, and studies the geometry of abstract algebra. READ MORE