Volume LXIV (2023)

Issue 1 I Issue 2 I Issue 3 I Issue 4

Issue 1

Limits of topological spaces as enriched categories
Pages 3-28
Derek Scott Cook, Ittay Weiss

The derivator of setoids
Pages 29-96
Michael Shulman

A logical analysis of fixpoint theorems
Pages 97-121
Arij Benkhadra, Isar Stubbe

Issue 2

Double groupoids and Postnikov invariants
Pages 125-175
Antonio M. Cegarra

Comparing the non-unital and unital settings for directed homotopy
Pages 176-197
Philippe Gaucher

Cartesian differential comonads and new models of cartesian differential categories
Pages 198-239
Sacha Ikonicoff, Jean-Simon Pacaud Lemay

Issue 3
Stone duality for topological convexity spaces
Pages 243-286
Toby Kenney

Picard groupoids and Γ-categories
Pages 287-324
Amit Sharma

Functoriality of principal bundles and connections
Pages 325-359
Gustavo Amilcar Saldaña Moncada, Gregor Weingart

Issue 4

The universal operad acting on loop spaces, and generalisations
Pages 363-424
Eugenia Cheng, Todd Trimble

A new proof of the Joyal-Tierney theorem
Pages 425-438
Guram Bezhanishvili, Luca Carai, Patrick J. Morandi

Categorical models of unstable G-global homotopy theory
Pages 439-481
Tobias Lenz