For 2x2 symmetric matrices with rational diagonal quotient, Wiener-Hopf factor second columns are obtained from the first by multiplication with a rational matrix, with a method provided and illustrated for Einstein equation solutions.
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Factorisation of symmetric matrices and applications in gravitational theories
For 2x2 symmetric matrices with rational diagonal quotient, Wiener-Hopf factor second columns are obtained from the first by multiplication with a rational matrix, with a method provided and illustrated for Einstein equation solutions.