We study fiber functors on Tannakian categories which are equipped with a grading or a filtration. Our goal is to give a comprehensive set of foundational results about such functors. A main result is that each filtration on a fiber functor can be split by a grading fpqc-locally on the base scheme.
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Tata Inst Fundamental Res, Sch Math, Homi Bhabha Rd, Mumbai 400005, Maharashtra, IndiaTata Inst Fundamental Res, Sch Math, Homi Bhabha Rd, Mumbai 400005, Maharashtra, India
Biswas, Indranil
dos Santos, Joao Pedro
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Sorbonne Univ, Inst Math Jussieu Paris Rive Gauche, 4 Pl Jussieu,Case 247, F-75252 Paris 5, FranceTata Inst Fundamental Res, Sch Math, Homi Bhabha Rd, Mumbai 400005, Maharashtra, India
dos Santos, Joao Pedro
Dumitrescu, Sorin
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Univ Cote dAzur, LJAD, CNRS, Nice, FranceTata Inst Fundamental Res, Sch Math, Homi Bhabha Rd, Mumbai 400005, Maharashtra, India
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Macquarie Univ, Ctr Australian Category Theory, N Ryde, NSW 2109, AustraliaMacquarie Univ, Ctr Australian Category Theory, N Ryde, NSW 2109, Australia
Panchadcharam, Elango
Street, Ross
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Macquarie Univ, Ctr Australian Category Theory, N Ryde, NSW 2109, AustraliaMacquarie Univ, Ctr Australian Category Theory, N Ryde, NSW 2109, Australia