Connectedness of the Tannakian group attached to semi-stable multiple filtrations
Masami Fujimori
Kanagawa Institute of Technology, Atsugi, Kanagawa, Japan
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Abstract
We show that the affine group scheme whose category of finite dimensional representations is equivalent to a tensor category of finite dimensional vector spaces equipped with semi-stable (multiple) filtrations of slope zero is connected.
Cite this article
Masami Fujimori, Connectedness of the Tannakian group attached to semi-stable multiple filtrations. Rend. Sem. Mat. Univ. Padova 131 (2014), pp. 209–216
DOI 10.4171/RSMUP/131-12