Tensor products and the Milnor-Moore theorem in the locality setup - Archive ouverte HAL
Pré-Publication, Document De Travail Année : 2022

Tensor products and the Milnor-Moore theorem in the locality setup

Résumé

The present exploratory paper deals with tensor products in the locality framework developed in previous work, a natural setting for an algebraic formulation of the locality principle in quantum field theory. Locality tensor products of locality vector spaces raise challenging questions, such as whether the locality tensor product of two locality vector spaces is a locality vector space. A related question is whether the quotient of locality vector spaces is a locality vector space, which we first reinterpret in a group theoretic language and then in terms of short exact sequences. We prove a universal property for the locality tensor algebra and for the locality enveloping algebra, the analogs in the locality framework of the tensor algebra and of the enveloping algebra. These universal properties hold under compatibility assumptions between the locality and the multilinearity underlying the construction of tensor products which we formulate in the form of conjectural statements. Assuming they hold true, we generalise the Milnor-Moore theorem to the locality setup and discuss some of its consequences.

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Dates et versions

hal-03680805 , version 1 (29-05-2022)

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  • HAL Id : hal-03680805 , version 1

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Pierre Clavier, Loic Foissy, Diego López, Sylvie Paycha. Tensor products and the Milnor-Moore theorem in the locality setup. 2022. ⟨hal-03680805⟩
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