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On a combinatorial identity associated with Pascal’s triangle

Sviteková, Monika and Szalay, László (2024) On a combinatorial identity associated with Pascal’s triangle. ANNALES MATHEMATICAE ET INFORMATICAE, 60. pp. 133-140. ISSN 1787-6117

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Abstract

Let f(x) = cosx, and consider the sum τ(f) n = k n−k k f(kt). Using a general method due to Ahmia and Szalay on weighted sums in generalized Pascal triangle an explicit formula is developed for τ(f) n . Ananalogous result is provided if f(x) = sinx, and a strong connection to Fibonacci polynomials is also discovered in both cases.

Item Type: Article
Uncontrolled Keywords: combinatorial identity, Pascal’s triangle, weighted sum, Fibonacci polynomial
Subjects: Q Science / természettudomány > QA Mathematics / matematika
Depositing User: Tibor Gál
Date Deposited: 23 Jan 2025 13:33
Last Modified: 23 Jan 2025 13:33
URI: https://real.mtak.hu/id/eprint/214225

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