By tracking whether the second-largest entry sits on a peak or at an edge valley, this paper gives a combinatorial proof of the even-length identity Eր_{2n} - Eտ_{2n} = E_{2n-2}.
Title resolution pending
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
math.CO 1years
2019 1verdicts
ACCEPT 1representative citing papers
citing papers explorer
-
A new refinement of Euler numbers on counting alternating permutations
By tracking whether the second-largest entry sits on a peak or at an edge valley, this paper gives a combinatorial proof of the even-length identity Eր_{2n} - Eտ_{2n} = E_{2n-2}.