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Extensions of filtered Ogus structures
- Source :
- Applied Categorical Structures, Vol 20, n. 1, pp. 143-148, 2020
- Publication Year :
- 2019
-
Abstract
- We compute the Ext group of the (filtered) Ogus category over a number field $K$. In particular we prove that the filtered Ogus realisation of mixed motives is not fully faithful.<br />Comment: arXiv admin note: text overlap with arXiv:1808.03146
- Subjects :
- Mathematics - K-Theory and Homology
Subjects
Details
- Database :
- arXiv
- Journal :
- Applied Categorical Structures, Vol 20, n. 1, pp. 143-148, 2020
- Publication Type :
- Report
- Accession number :
- edsarx.1912.08091
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1007/s10485-019-09576-8