算子球全纯变换的不动点
Fixed points of holomorphic transformations of operator balls
摘要:
给出了算子球的全纯变换族不动点定理的一种新的证明方法。其中一个定理被用来证明实或复希尔伯特空间中的有界表示是正交化的或酉化的(类似于正交或酉表示),分别,只要表示有一个不变的不定二次型,其中有200个负平方。
英文摘要:
A new technique for proving fixed point theorems for families of holomorphic transformations of operator balls is developed. One of these theorems is used to show that a bounded representation in a real or complex Hilbert space is orthogonalizable or unitarizable (that is similar to an orthogonal or unitary representation), respectively, provided the representation has an invariant indefinite quadratic form with finitely many negative squares.
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