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math.CO2019★ 4 cited
Signed partitions - A balls into urns approach
Eli Bagno, David Garber
Using Reiner's definition of Stirling numbers of type B of the second kind, we provide a 'balls into urns' approach for proving a generalization of a well-known identity concerning…
math.CO2019
Some identities involving second kind Stirling numbers of types and
Eli Bagno, Riccardo Biagioli, David Garber
Using Reiner's definition of Stirling numbers of the second kind in types and , we generalize two well-known identities concerning the classical Stirling numbers of the seco…