The t-cat of a topological space is the minimal number of open sets that cover such that each open set in the cover has the homotopy type of the unit circle . This means that for each open set , the inclusion is homotopic to some factorization , i.e.
|Date of creation||2013-03-22 15:54:54|
|Last modified on||2013-03-22 15:54:54|
|Last modified by||juanman (12619)|