
TL;DR
This paper explores the relationship between conformal nets in quantum field theory, the projective group actions, and Connes' flow on $C^*$-algebras, providing a categorical perspective on these connections.
Contribution
It formalizes the connection between conformal nets, projective group actions, and Connes' flow within a categorical framework of noncommutative algebras.
Findings
Clarifies the relation between projective group actions and Connes' flow
Introduces a category of noncommutative algebra homomorphisms
Provides a new categorical perspective on conformal nets
Abstract
Conformal nets are a classical topic in quantum field theory: they assign operator algebras to one-dimensional manifolds, and have close connections with one-dimensional topological field theories. It seems to be well-known that the usual axioms for these constructions imply close relations between the action of the projective group on the line, and Connes' intrinsic flow on -algebras. This note attempts to pin down this specific fact, in terms of a category of (noncommutative) algebras and equivalence classes, under inner automorphisms, of homomorphisms between them. That category may be of independent interest.
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Taxonomy
TopicsAlgebraic structures and combinatorial models · Advanced Operator Algebra Research · Advanced Topics in Algebra
