The integer solutions of linear unilateral and bilateral matrix equations over quadratic rings (Q2812887)

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scientific article; zbMATH DE number 6593018
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The integer solutions of linear unilateral and bilateral matrix equations over quadratic rings
scientific article; zbMATH DE number 6593018

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    13 June 2016
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    integer solutions
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    quadratic rings
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    linear matrix equations
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    The integer solutions of linear unilateral and bilateral matrix equations over quadratic rings (English)
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    For the linear matrix equations \(AX+BY=C\) and \(AX+YB=C\) over the quadratic rings \(\mathbb Z[\sqrt{k}]\), necessary and sufficient conditions are established for the existence of integer solutions, i.e. the solutions \(X\) and \(Y\) over the ring of integers \(\mathbb Z\). A uniqueness criterion for the integer solutions of these equations is given and a method of their construction is presented.
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