BIJECTIVE PROOFS OF FORMULAS WITH (-1)n

被引:0
|
作者
Guzicki, W. O. J. C. I. E. C. H. [1 ]
Zakrzewski, P. I. O. T. R. [1 ]
机构
[1] Univ WARSAW, Inst Math, Banacha 2, PL-02097 Warsaw, Poland
来源
FIBONACCI QUARTERLY | 2022年 / 60卷 / 03期
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D O I
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中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We present simple bijective proofs of formulas involving the expression (-1)n connected to three different combinatorial problems. Our arguments somewhat resemble the combinatorial proofs of Benjamin-Ornstein and Elizalde of the familiar derangement recur-rence.
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页码:262 / 266
页数:5
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