The extension of Johnson's homomorphism from the Torelli group to the mapping class group

DISCRETE SUBGROUPS OF LIE GROUPS

Raghunathan · 1972 · 1.3K citations

Natural Sciences, Mathematics, Discrete Mathematics +7

Combinatorial Group Theory.

P. M. Cohn, Wilhelm Magnus, A. Karrass et al. · American Mathematical Monthly · 1967 · 1.3K citations

Combinatorial group theory

Mose Newman · Journal of the Franklin Institute · 1967 · 654 citations

An abelian quotient of the mapping class groupI g

Dennis L. Johnson · Mathematische Annalen · 1980 · 290 citations

Natural Sciences, Higher Education, Group Dynamics +7

Characteristic classes of surface bundles

Shigeyuki Morita · Inventiones mathematicae · 1987 · 236 citations

Natural Sciences, Mathematics, Descriptive Geometry +16