Proviously Sieves and Sheaves. We have seen how topology can be defined by working with sets of continuous functions over coverages. Categorically speaking, a coverage is a special case of a sieve,…| Bartosz Milewski's Programming Cafe
Previously: Sheaves as Virtual Objects. In order to define a sheaf, we have to start with coverage. A coverage defines, for every object $latex u$, a family of covers that satisfy the sub-coverage …| Bartosz Milewski's Programming Cafe