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Results tagged with co.combinatorics
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user 5878
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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How many types of jigsaw puzzle pieces in n dimensions?
I was partitioning jigsaw puzzle pieces with some friends yesterday and we noticed that there are 6 types of pieces:
All 4 sides have a knobby bit sticking out
1 side has a knobby bit sticking out
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