Geodesic

Locally semisimple algebras. Combinatorial theory and the $K_0$-functor
p. 3-56
Hypergroups and hypergroup algebras
p. 57-106
Nuclear $C^*$-algebras and related questions
p. 107-125
The structure and classification of factors
p. 127-170
Trajectory theory
p. 171-211
Lattices with modular identity and Lie algebras
p. 213-257