Extensions of Filtered Ogus Structures
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DOI: 10.1007/s10485-019-09576-8
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. read more here.
Keywords: structures extensions; extensions filtered; filtered ogus; ogus structures ... See more keywords