Charade
发表于 2025-3-28 17:44:20
http://reply.papertrans.cn/15/1498/149792/149792_41.png
Malfunction
发表于 2025-3-28 18:49:28
0075-8434 es. Using a new generalized geometric realization which applies to topoi, a weak homotopy equival- ence is constructed between the classifying space and the classifying topos of any small (topological) category. Topos theory is then applied to give an answer to the question of what structures are cl