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A Wolff Theorem for finite rank bounded symmetric domains

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Abstract We present a Wolff Theorem for all infinite dimensional bounded symmetric domains of finite rank. Namely, if B is the open unit ball of any finite rank J B… Click to show full abstract

Abstract We present a Wolff Theorem for all infinite dimensional bounded symmetric domains of finite rank. Namely, if B is the open unit ball of any finite rank J B ⁎ -triple and f : B → B is a compact holomorphic map with no fixed point in B, we prove convex f-invariant subdomains of B (of all sizes and at all points) exist in the form of simple operator balls c λ + T λ ( B ) , for c λ ∈ B and T λ an invertible linear map. These are exact infinite dimensional analogues of the invariant discs in Δ, the invariant ellipsoids in the Hilbert ball and invariant domains in finite dimensional triples. Results are new for rank >2, even for classical spaces such as C ⁎ -algebras and J B ⁎ -algebras.

Keywords: wolff theorem; theorem finite; bounded symmetric; finite rank; symmetric domains; rank

Journal Title: Journal of Mathematical Analysis and Applications
Year Published: 2017

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