Could anyone tell me what the $H$ notation generally used on the top of some matrices is meant to be in this paper by Schmidt? The first usage is in equation 2.9 on page 9. Does it mean to be Hermitian?
Thank you.
2026-04-07 22:47:24.1775602044
A notation $H$ on top of matrices
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Conjugate transpose. Also denoted $A^*$ or $A^\dagger$. But I prefer to at least change the font somehow like $A^{\rm H}$ or $A^{\sf H}$ so it doesn't get confused with exponentiation.