q-Analogs of the inclusion- exclusion pr
โ
William Y.C. Chen; Gian-Carlo Rota
๐
Article
๐
1992
๐
Elsevier Science
๐
English
โ 946 KB
We derive a q-analog of the principle of inclusion-exclusion, and use it to derive a q-analog of the Kaplansky-Riordan theory of permutations with restricted position. Some analogies with the theory of Mahonian statistics are pointed out at the end, leading to a conjectured relationship between the