File:Dyck lattice D4.svg

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Description

Hasse diagram of the Dyck lattice D4

The nodes correspond to the 14 Dyck words with 4 pairs of parentheses.

The number of elements per rank is 1,3,3,3,2,1,1 - that is row 4 of the triangle Sloane's A227543.


Apart from the top vertex this is the same as .
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Watchduck
You can name the author as "T. Piesk", "Tilman Piesk" or "Watchduck".

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current19:39, 6 March 2014Thumbnail for version as of 19:39, 6 March 20141,750 × 2,425 (122 KB)Watchduck (talk | contribs){{Information |Description ={{en|1=Hasse diagram of the Dyck lattice D<sub>4</sub> The nodes correspond to the 14 Dyck words with 4 pairs of parentheses.}} |Source ={{own}} |Author ={{mate2code}} |Date...

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