English

O(4,4) dualities and Manin triples

High Energy Physics - Theory 2025-10-10 v2

Abstract

We provide a coarse classification of all 8-dimensional Manin triples, that describe Poisson--Lie T-dualities between 4-dimensional group manifold solutions to supergravity equations. We find several such dualities and one Poisson--Lie triality. For each class we refine the classification by marking whether the corresponding Drinfeld double can be obtained by a Yang--Baxter deformation of the initial algebra paired by the four-dimensional Abelian algebra.

Keywords

Cite

@article{arxiv.2509.19144,
  title  = {O(4,4) dualities and Manin triples},
  author = {Angelina Kurenkova and Edvard T. Musaev},
  journal= {arXiv preprint arXiv:2509.19144},
  year   = {2025}
}

Comments

v2: added a refinement to the classification by including Yang-Baxter deformations

R2 v1 2026-07-01T05:52:20.988Z