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Classification of the Mumford--Tate Groups of Rational Polarizable Hodge Structures by Milne, James S. is a scholarly article available to read on EtoBox.

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Let G be the pro-algebraic group attached to the tannakian category of polarizable rational Hodge structures. We show that the quotient of G by its derived group is the Serre group, the derived group of G is the simply connected covering of the adjoint group of G, and that the adjoint group G is a product of specific simple algebraic groups. As the Mumford--Tate groups are exactly the algebraic quotients of G, this also describes them.

Author

Milne, James S.

Published

2020

Language

EN