bn:03089696n
Noun Concept
JA
上げ下げ同型  音楽同型  音符同型
EN
In mathematics—more specifically, in differential geometry—the musical isomorphism is an isomorphism between the tangent bundle T M {\displaystyle \mathrm {T} M} and the cotangent bundle T ∗ M {\displaystyle \mathrm {T} ^{*}M} of a pseudo-Riemannian manifold induced by its metric tensor. Wikipedia
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