The Living Thing / Notebooks :

Topology, applied to problems I know about

I don’t actually know much about topology, apart from the edge-case of graph theory. Often the coarse topology of networks is of interest, or the more metaphorical knowledge topology, or actual continuous fields or knots or whatever. Sometimes I care about the induced topology of a metric convergence, but this is hardly fancy stuff.

Apparently grown-up topology has applications too though? See for example