Extensions of filtered Ogus structures
K-Theory and Homology
2024-08-08 v1
Abstract
We compute the Ext group of the (filtered) Ogus category over a number field . In particular we prove that the filtered Ogus realisation of mixed motives is not fully faithful.
Cite
@article{arxiv.1912.08091,
title = {Extensions of filtered Ogus structures},
author = {Bruno Chiarellotto and Nicola Mazzari},
journal= {arXiv preprint arXiv:1912.08091},
year = {2024}
}
Comments
arXiv admin note: text overlap with arXiv:1808.03146