Canonical ring

（重定向自Plurigenus）

In mathematics, the pluricanonical ring of an algebraic variety V (which is non-singular), or of a complex manifold, is the graded ring

of sections of powers of the canonical bundle K. Its nth graded component (for $n\geq 0$ ) is:

that is, the space of sections of the n-th tensor product K of the canonical bundle K.

单词	Plurigenus
释义	Plurigenus 英语百科 Canonical ring （重定向自Plurigenus） In mathematics, the pluricanonical ring of an algebraic variety V (which is non-singular), or of a complex manifold, is the graded ring of sections of powers of the canonical bundle K. Its nth graded component (for $n\geq 0$ ) is: that is, the space of sections of the n-th tensor product K of the canonical bundle K.
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