Lecture notes and exercises

14 January 2019	Lecture 1	Exercises in notes	Automorphisms of free groups, history, models for F_n, Whitehead's algorithm
28 January 2019	Lecture 2	Exercises in notes	Models for Outer space O_n and general O_{n,s}: sphere complexes and graphs.
4 February 2019	Lecture 3	Exercises in notes	Contractibility of sphere complex and O_{n,s}, definition of spine K_{n,s}
11 February 2019	Lecture 4	Exercises in notes	Applications of spine to finite subgroups, cohomological finiteness properties
18 February 2019	Lecture 5	Exercises in notes	rational Euler characteristic of A_{n,s}, Homotopy type of links in K_{n,s}
25 February 2019	Lecture 6	Exercises in notes	Homotopy type of links in K_{n,s} (contd.), A_{n,s}= Automorphisms of K_{n,s}
4 March 2019	Lecture 7	Exercise in notes	A_{n,s}= Automorphisms of K_{n,s} (contd.), more on Euler characteristic, asymptotic expansions
11 March 2019;	Lecture 8	Exercise in notes Comments on notes	Euler characteristic

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