English
If A is Hermitian, then B^H A B is Hermitian for any B.
Русский
Если A Гермитова, то B^H A B Гермитова для любого B.
LaTeX
$$(B^{\\mathrm{H}} A B)^{\\mathrm{H}} = B^{\\mathrm{H}} A B$$
Lean4
/-- Notation for `Sum.elim`, scoped within the `Matrix` namespace. -/
@[scoped term_parser 1000]
public meta def «term_⊕ᵥ_» : Lean.TrailingParserDescr✝ :=
ParserDescr.trailingNode✝ `Matrix.«term_⊕ᵥ_» 65 65
(ParserDescr.binary✝ `andthen (ParserDescr.symbol✝ " ⊕ᵥ ") (ParserDescr.cat✝ `term 66))