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Results tagged with co.combinatorics
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user 26083
Enumerative combinatorics, graph theory, order theory, posets, matroids, designs and other discrete structures. It also includes algebraic, analytic and probabilistic combinatorics.
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Simple automorphisms of finite relations
Finding automorphisms is a hard problem in general, but I am studying some simple subgroups of automorphisms, which are easy to find.
I have some r-ary relation R on a finite set U (if it was a bina …
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