81
Voted
ACS
2005
15 years 17 days ago
2005
The quasicategory Q of all set functors (i.e. endofunctors of the category SET of all sets and mappings) and all natural transformations has a terminal object
75
Voted
ACS
2005
15 years 17 days ago
2005
We prove that the category of flows cannot be the underlying category of a model category whose corresponding homotopy types are the flows up to weak dihomotopy. Some hints are giv...