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[parent] generalized Ruiz's identity (Derivation)

For $i,j=1,2,\ldots$ consider the polynomials $c_{i,j}(x)=(x+i)^{j}-(x+i-1)^{j}$ ($x$ is the indeterminate). Then, for every positive natural number $n$ $$ \det (c_{i,j})_{i,j=1}^n = \prod_{k=1}^{n} k! $$




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"generalized Ruiz's identity" is owned by GeraW. [ full author list (2) ]
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See Also: determinant, determinant


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proof of generalized Ruiz's identity (Proof) by GeraW
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Cross-references: natural number, positive, indeterminate, polynomials

This is version 4 of generalized Ruiz's identity, born on 2004-08-05, modified 2005-06-22.
Object id is 6072, canonical name is GeneralizedRuizsIdentity.
Accessed 1657 times total.

Classification:
AMS MSC05A10 (Combinatorics :: Enumerative combinatorics :: Factorials, binomial coefficients, combinatorial functions)
 11B65 (Number theory :: Sequences and sets :: Binomial coefficients; factorials; $q$-identities)

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