Determinants and Inverses of Circulant Matrices with Jacobsthal and Jacobsthal-Lucas Numbers

Details Determinants and Inverses of Circulant Matrices with Jacobsthal and Jacobsthal-Lucas Numbers Determinants and Inverses of Circulant Matrices with Jacobsthal and Jacobsthal-Lucas Numbers

2012-01-29

arxiv.org/abs/1201.6058v1

Mathematics

Numerical Analysis

Scientific paper

Let n\geq3 and J_{n}:=circ(J_{1},J_{2},...,J_{n}) and j_{n}:=\circ(j_{0},j_{1},...,j_{n-1}) be the n\timesn circulant matrices, associated with the nth Jacobsthal number J_{n} and the nth Jacobsthal-Lucas number j_{n}, respectively. The determinants of J_{n} and j_{n} are obtained in terms of the Jacobsthal and Jacobsthal-Lucas numbers. These imply that J_{n} and j_{n} are invertible. We also derive the inverses of J_{n} and j_{n}.

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