A combinatorial proof of Guo's multi-generalization of Munarini's identity

TL;DR

This paper provides a combinatorial proof for Guo's multi-generalization of Munarini's identity, addressing a specific open question and expanding understanding of combinatorial identities.

Contribution

It introduces a combinatorial proof for Guo's multi-generalization of Munarini's identity, which was previously unproven.

Findings

Successfully proved Guo's multi-generalization combinatorially

Answered Guo's open question on the identity

Enhanced understanding of combinatorial identities

Abstract

We give a combinatorial proof of Guo's multi-generalization of Munarini's identity, answering a question of Guo.