bn:03417136n
Noun Named Entity
JA
ヘリンジャー-テープリッツの定理
EN
In functional analysis, a branch of mathematics, the Hellinger–Toeplitz theorem states that an everywhere-defined symmetric operator on a Hilbert space with inner product ⟨ ⋅ | ⋅ ⟩ {\displaystyle \langle \cdot |\cdot \rangle } is bounded. Wikipedia
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