2 papers
math.CT2019
The Gray monoidal product of double categories
Gabriella Böhm
The category of double categories and double functors is equipped with a symmetric closed monoidal structure. For any double category , the corresponding internal hom fu…
math.CT2018
Crossed modules of monoids I. Relative categories
Gabriella Böhm
This is the first part of a series of three strongly related papers in which three equivalent structures are studied: - internal categories in categories of monoids; defined in ter…