Issue no. 1 Table of Contents

Categorical strong shape theory
p. 3-66
Simplicial groups as models for n-types
p. 67-92

Issue no. 2 Table of Contents

Homotopy theory for (braided) cat-groups
p. 99-139
Handle-decompositions of PL 4-manifolds
p. 141-160
Relational monoids, multirelations, and quantalic recognizers
p. 161-171

Issue no. 3 Table of Contents

On the monadicity over graphs of categories with limits
p. 179-191
Central extensions and reciprocity laws
p. 193-215
A remark on topological spaces, grids, and topological systems
p. 217-226
Compact topologies on locally presentable categories
p. 227-255

Issue no. 4 Table of Contents

Exponential objects in the construct 𝑃𝑅𝐴𝑃
p. 259-276
Categories of topological spaces with sufficiently many sequentially closed spaces
p. 277-300
Weak subobjects and weak limits in categories and homotopy categories
p. 301-326