## Pták’s characterization of reflexivity in tensor products.(English)Zbl 1164.46308

Summary: We characterize the reflexivity of the completed projective tensor products $$X{\widetilde {\otimes }_\pi } Y$$ of Banach spaces in terms of certain approximatively biorthogonal systems.

### MSC:

 46B28 Spaces of operators; tensor products; approximation properties
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### References:

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