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 On the irreducibility of sum of two reciprocal polynomials Bull. Korean Math. Soc. 2016 Vol. 53, No. 3, 833-842 https://doi.org/10.4134/BKMS.b150363Published online May 31, 2016 Minsang Bang and DoYong Kwon Chonnam National University, Chonnam National University Abstract : For a certain kind of reciprocal polynomials $P(x), Q(x)\in \mathbb{Z}[x]$, their sums are considered. We demonstrate that the Mahler measure of polynomials plays a role to prove the irreducibility of the sums over the field of rationals. Keywords : irreducible polynomial, reciprocal polynomial, Mahler measure MSC numbers : 11R09, 11R06 Full-Text :