ACL is going to write somezing we are working. Fragen comme:
- … is a generalization of the group concept?
- no, is not!
- is an alg-structure X with an binary operation in a strictly proper subset.
- i.e. and a such that has inverses,
- that is such that
- a bundle ?
- a F-bundle over a manifold?
- abstracts the homotopy class theory of paths and loops in a topo-space pra ensamblesse o Poincare`e grouppat
- carry-u la Bass-Serre techniques for 1d and 2d, simplexes and complexes
- selon Ronald Brown heretical against the reign of gruppats
- selon le grouppoidificatzión et spectral-categoirificatzione de juan báez de irvine califorña
meanwhile his homework is to amalgamate strategic subgroupoids of any surface to get the fundamental