K. Eftekharinasab

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Articles: 1

On the existence of a global diffeomorphism between Fréchet spaces

MFAT 26 (2020), no. 1, 68-75

68-75

We provide sufficient conditions for existence of a global diffeomorphism between tame Fréchet spaces. We prove a version of the mountain pass theorem which plays a key ingredient in the proof of the main theorem.

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