Explore the intricacies of automorphisms in free groups of small rank and their outer conjugacy classes in this advanced mathematics lecture. Delve into the third installment of François Dahmani's minicourse, part of the "Geometry in Groups" program at the International Centre for Theoretical Sciences. Gain insights into this active area of geometric group theory, which has seen significant advancements and connections to various mathematical disciplines. Examine the complex relationships between group structures, their automorphisms, and the implications for outer conjugacy classes in free groups. Enhance your understanding of this specialized topic within the broader context of a collaborative workshop aimed at expanding knowledge and strengthening research networks in geometric group theory.