Search for dissertations about: "Guillermo Moreno Socias"

Found 2 swedish dissertations containing the words Guillermo Moreno Socias.

  2. 1. A graded subring of an inverse limit of polynomial rings

    Author : Jan Snellman; Jörgen Backelin; Guillermo Moreno Socias; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Gröbner bases; generic forms; inverse limit; Algebra and geometry; Algebra och geometri;

    Abstract : We study the power series ring R= K[[x1,x2,x3,...]]on countably infinitely many variables, over a field K, and two particular K-subalgebras of it: the ring S, which is isomorphic to an inverse limit of the polynomial rings in finitely many variables over K, and the ring R', which is the largest graded subalgebra of R. READ MORE

  4. 2. Around minimal Hilbert series problems for graded algebras

    Author : Lisa Nicklasson; Samuel Lundqvist; Christian Gottlieb; Uwe Nagel; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Graded algebras; Hilbert series; Lefschetz properties; Exterior algebra; Linear resolution; Mathematics; matematik;

    Abstract : The Hilbert series of a graded algebra is an invariant that encodes the dimension of the algebra's graded compontents. It can be seen as a tool for measuring the size of a graded algebra. This gives rise to the idea of algebras with a "minimal Hilbert series", among the algebras within a certain family. READ MORE