2 papers
math.CO2010
A combinatorial proof of Guo's multi-generalization of Munarini's identity
Dan-Mei Yang
We give a combinatorial proof of Guo's multi-generalization of Munarini's identity, answering a question of Guo.
math.CO2010
A q-analogue of some binomial coefficient identities of Y. Sun
Victor J. W. Guo, Dan-Mei Yang
We give a -analogue of some binomial coefficient identities of Y. Sun [Electron. J. Combin. 17 (2010), #N20] as follows: {align*} \sum_{k=0}^{\lfloor n/2\rfloor}{m+k\brack k}_{q…