Transfinite product reduction in fundamental groupoids
نویسندگان
چکیده
منابع مشابه
Galois symmetries of fundamental groupoids
We give a simple proof of the formula for the coproduct ∆ in the Hopf algebra of motivic iterated integrals on the affine line. We show that it encodes the group law in the group of automorphisms of certain non commutative variety. We relate the coproduct ∆ with the coproduct in the Hopf algebra of decorated rooted planar trivalent trees defined in chapter 4 – a version of the one defined by Co...
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ژورنال
عنوان ژورنال: European Journal of Mathematics
سال: 2020
ISSN: 2199-675X,2199-6768
DOI: 10.1007/s40879-020-00413-0