Sökning: "gerbes"

Hittade 2 avhandlingar innehållade ordet gerbes.

  1. 1. Abelian Extensions, Fractional Loop Group and Quantum Fields

    Detta är en avhandling från Stockholm : KTH

    Författare :Pedram Hekmati; KTH.; [2010]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Lie group extensions; Lie conformal algebras; gerbes; twisted K-theory; renormalization; anomalies; D-brane charges; variational complex; NATURAL SCIENCES Physics Other physics Mathematical physics; NATURVETENSKAP Fysik Övrig fysik Matematisk fysik;

    Sammanfattning : This thesis deals with the theory of Lie group extensions, Lie conformal algebras and twisted K-theory, in the context of quantum physics. These structures allow for a mathematically precise description of certain aspects of interacting quantum field theories. LÄS MER

  2. 2. Group Extensions, Gerbes and Twisted K-theory

    Detta är en avhandling från Stockholm : KTH

    Författare :Pedram Hekmati; KTH.; [2008]
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURAL SCIENCES Physics Other physics Mathematical physics; NATURVETENSKAP Fysik Övrig fysik Matematisk fysik;

    Sammanfattning : This thesis reviews the theory of group extensions, gerbes and twisted K-theory. Application to anomalies in gauge theory is briefly discussed. The main results are presented in two appended scientific papers. LÄS MER