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单词 Hermitian space
释义

Hermitian space

中文百科

半双线性形式 Sesquilinear form

(重定向自Hermitian space)

在数学中,在复数矢量空间 V 上的半双线性形式是映射 V × V C,它在一个参数上是线性的而在另一个参数上是反线性(半线性)的。比较于双线性形式,它在两个参数上都是线性的;要注意很多作者尤其是在只处理复数情况的时候,把半双线性形式称为双线性形式。

一个主要例子是在复数矢量空间上的内积,它不是双线性的而是半双线性的。

英语百科

Sesquilinear form 半双线性形式

(重定向自Hermitian space)

In mathematics, a sesquilinear form is a generalization of a bilinear form that, in turn, is a generalization of the concept of the dot product of Euclidean space. A bilinear form is linear in each of its arguments, but a sesquilinear form allows one of the arguments to be "twisted" in a semilinear manner, thus the name; which originates from the Latin numerical prefix sesqui- meaning "one and a half". The basic concept of the dot product – producing a scalar from a pair of vectors – can be generalized by allowing a broader range of scalar values and, perhaps simultaneously, by widening the definition of what a vector is.

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更新时间:2025/6/19 16:08:43