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Pronunciation varies by accent · noun
(mathematics) The diagonal of a matrix that lies directly above and to the right of the main diagonal..
We classify all free spectrahedra that are circular, that is, closed under multiplication by exp(i t): up to unitary equivalence, the coefficients of a minimal LMI defining a circular free spectrahedron have a common block decomposition in which the only nonzero blocks are on the superdiagonal.
Use superdiagonal when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Superdiagonal means (mathematics) The diagonal of a matrix that lies directly above and to the right of the main diagonal..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
We classify all free spectrahedra that are circular, that is, closed under multiplication by exp(i t): up to unitary equivalence, the coefficients of a minimal LMI defining a circular free spectrahedron have a common block decomposition in which the only nonzero blocks are on the superdiagonal.
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