Mathematics – Combinatorics
Scientific paper
2009-11-30
Mathematics
Combinatorics
in Russian
Scientific paper
We use Newton divided differences for calculation of Greene sums -- the
rational functions determined by linear extensions of partially ordered sets.
Identities for Greene sums generate relations for Newton divided differences
and Arnold differential forms. Also generalizations of the Newton interpolation
series which are indexed by sequences of partially ordered sets are received.
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