Volume LIX (2018)

Issue 1 I Issue 2 I Issue 3 I

Issue 1
The first 60 years of the “Cahiers”
Pages 3-9
Andrée C. Ehresmann

Differential bundles and fibrations for tangent categories
Pages 10-92
Robin Cockett, Geoffrey Cruttwell

Issue 2
Smooth loop stacks of differentiable stacks and gerbes
Pages 95-141
David Michael Roberts, Raymond F. Vozzo

Suprema of equivalence relations and non-regular Goursat categories
Pages 142-194
Dominique Bourn

Issue 3
A study of Penon weak n-categories, part 1: monad interleaving
Pages 197-259
Thomas Cotterell

Central extensions of mapping class groups from characteristic classes
Pages 260-298
Domenico Fiorenza, Urs Schreiber, Alessandro Valentino

New books
Pages 299-304
Andrée Ehresmann