Differential poset
Encyclopedia
In mathematics, a differential poset is a poset with operators D and U behaving like the operators x and d/dx on polynomials. In particular, DU-UD=1.
Differential posets were introduced by . Young's lattice
is an example of a differential poset.
Differential posets were introduced by . Young's lattice
Young's lattice
In mathematics, Young's lattice is a partially ordered set and a lattice that is formed by all integer partitions. It is named after Alfred Young, who in a series of papers On quantitative substitutional analysis developed representation theory of the symmetric group...
is an example of a differential poset.