Title of article
Enumerating orientations of the free spikes
Author/Authors
Robbins، نويسنده , , Jakayla R. Robbins، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2007
Pages
8
From page
868
To page
875
Abstract
We show that there are exactly 2 k − 1 D k inequivalent orientations of the rank- k free spike ( k ≥ 4 ) where D k is the k th Dedekind number. Our proof of this result is constructive and employs the monotone boolean functions.
Journal title
European Journal of Combinatorics
Serial Year
2007
Journal title
European Journal of Combinatorics
Record number
1547599
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