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arxiv: math/0409523 · v2 · submitted 2004-09-27 · 🧮 math.NT · math.RA

On the irreducibility of a truncated binomial expansion

classification 🧮 math.NT math.RA
keywords expansionirreducibilitypolynomialsarisearxivbinomialcalculusdenote
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Let P_nk(x) denote the sum of the lowest k+1 terms in the expansion of (1+x)^n. We investigate the irreducibility of P_nk(x) and more general univariate polynomials related to it. Polynomials P_nk(x) naturally arise in Schubert calculus, see ArXiv e-print math.RT/0409329 by I.Scherbak.

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