Completions of mapping class groups and the cycle $C - C^-$

zbMath0831.57005arXivalg-geom/9207001MaRDI QIDQ4273584

Richard M. Hain

Publication date: 20 February 1996

Full work available at URL: https://arxiv.org/abs/alg-geom/9207001

zbMATH Keywords

mapping class groupTorelli groupaffine algebraic grouppro-unipotent completionalgebraic 1-cycleJacobian of an algebraic curveMal'tsev completion of a discrete group

Mathematics Subject Classification ID

Rational homotopy theory (55P62) General low-dimensional topology (57M99) Families, moduli of curves (algebraic) (14H10) Infinite-dimensional Lie (super)algebras (17B65) Infinite-dimensional Lie groups and their Lie algebras: general properties (22E65) Fundamental groups and their automorphisms (group-theoretic aspects) (20F34) Algebraic cycles (14C25) Differential topological aspects of diffeomorphisms (57R50) Affine algebraic groups, hyperalgebra constructions (14L17)

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