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Property F and weak integrality of braided fusion categories
Abstract
We prove that a braided fusion category with property F is weakly integral, provided it admits a pivotal structure whose left categorical dimensions are positive on the intersection of its Müger center and its adjoint subcategory. In particular, the converse implication in the property F conjecture holds for modular fusion categories and pseudounitary braided fusion categories. We also show that the positivity condition holds for every pivotal braided fusion category if and only if every braided fusion category over ℂ admits a pivotal structure.
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BibTeX
@misc{li2026property,
title = {{Property F and weak integrality of braided fusion categories}},
author = {Enyu Li and Yuze Ruan},
howpublished = {arXiv},
year = {2026},
month = nov,
doi = {10.48550/arxiv.2611.06505},
eprint = {2611.06505},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2611.06505},
}
RIS
TY - UNPB
TI - Property F and weak integrality of braided fusion categories
AU - Enyu Li
AU - Yuze Ruan
PY - 2026
DA - 2026/11/04
PB - arXiv
DO - 10.48550/arxiv.2611.06505
UR - https://arxiv.org/abs/2611.06505
AB - We prove that a braided fusion category with property F is weakly integral, provided it admits a pivotal structure whose left categorical dimensions are positive on the intersection of its Müger center and its adjoint subcategory. In particular, the converse implication in the property F conjecture holds for modular fusion categories and pseudounitary braided fusion categories. We also show that the positivity condition holds for every pivotal braided fusion category if and only if every braided fusion category over ℂ admits a pivotal structure.
ER -