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  • ...perator is self-adjoint. Therefore, from our experience with the spectral theorem from finite-dimensional linear algebra, we might hope that the eigenfunctio
    4 KB (724 words) - 18:15, 9 September 2006
  • By the [[Hamilton-Cayley Theorem]], the characteristic polynomial of a square matrix applied to the square m ...s. This requires some knowledge of [[linear algebra]] (upto the [[Spectral Theorem]]).
    19 KB (3,412 words) - 13:57, 21 September 2022