Result: Diagonal Checker-jumping and Eulerian Numbers for Color-signed Permutations: Diagonal checker-jumping and Eulerian numbers for color-signed permutations

Title:
Diagonal Checker-jumping and Eulerian Numbers for Color-signed Permutations: Diagonal checker-jumping and Eulerian numbers for color-signed permutations
Source:
The Electronic Journal of Combinatorics. 7
Publisher Information:
The Electronic Journal of Combinatorics, 2000.
Publication Year:
2000
Document Type:
Academic journal Article
File Description:
application/xml; application/pdf
ISSN:
1077-8926
DOI:
10.37236/1481
Accession Number:
edsair.doi.dedup.....0752d51cb2b0c4d619bf5d9e1f88b911
Database:
OpenAIRE

Further Information

We introduce color-signed permutations to obtain a very explicit combinatorial interpretation of the $q$-Eulerian identities of Brenti and some generalizations. In particular, we prove an identity involving the golden ratio, which allows us to compute upper bounds on how high a checker can reach in a classical checker-jumping problem, when the rules are relaxed to allow also diagonal jumps.