A survey of the Johnson homomorphisms of the automorphism groups of free groups and related topics
Takao Satoh

TL;DR
This survey reviews the Johnson homomorphisms of automorphism groups of free groups, summarizing well-known facts and recent developments in the field.
Contribution
It provides an overview of existing knowledge and recent progress on Johnson homomorphisms related to automorphism groups of free groups.
Findings
Summarizes key properties of Johnson homomorphisms
Highlights recent advances in the area
Connects Johnson homomorphisms to related topics
Abstract
This is a biased survey for the Johnson homomorphisms of the automorphism groups of free groups. We just exposit some well known facts and recent developments for the Johnson homomorphisms and its related topics.
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Taxonomy
TopicsGeometric and Algebraic Topology · Japanese History and Culture
