Browsing Theses by Subject "prelie algebras"
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Sequences of Trees and Higher-Order Renormalization Group Equations
(University of Waterloo, 2019-08-27)In 1998, Connes and Kreimer introduced a combinatorial Hopf algebra HCK on the vector space of forests of rooted trees that precisely explains the phenomenon of renormalization in quantum field theory. This Hopf algebra ...