New Obstructions for the Surjectivity of the Johnson Homomorphism of the Automorphism Group of a Free Group
نویسندگان
چکیده
In this paper we construct new obstructions for the surjectivity of the Johnson homomorphism of the automorphism group of a free group. We also determine the structure of the cokernel of the Johnson homomorphism for degree 2 or 3.
منابع مشابه
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تاریخ انتشار 2005