Trivial topology, the most coarse topology possible on a given set
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Initial topology, the most coarse topology in a certain category of topologies
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Weak topology, an example of topology coarser than the standard one
Coarse woody debris | Welsh Federation of Coarse Anglers | Weak topology | Trivial topology | Pointless topology | Initial topology | Grothendieck topology | differential topology | coarse woody debris | Coarse structure | Boundary (topology) |