A Note on Two Theorems of C. Dong and J. Wang Concerning Combinatorial Identities

Arnold R. Kräuter

Abstract


In a recent paper C. Dong and J. Wang rederived three classical combinatorial identities by applying a special Vandermonde determinant. Two of their results, however, turn out to be incorrectly stated. This note presents counterexamples along with revised versions of the results mentioned.


Full Text: PDF DOI: 10.5539/mas.v2n5p50

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Modern Applied Science   ISSN 1913-1844 (Print)   ISSN 1913-1852 (Online)

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