Generic nonexistence of analytic geodesics in analytic function spaces

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Let H\mathcal{H} be the space of Kähler metrics on MM. Let EE and EE' be analytic function spaces on MM, meaning Banach spaces of analytic functions containing all analytic functions with sufficiently small radius of injectivity.

Nonexistence conjecture for analytic geodesics. There exists an open dense subset of (EH)2(E\cap\mathcal{H})^2 such that no pair of elements in this subset is linked by a geodesic in EE'.

This conjecture predicts generic failure of analytic geodesic connectivity and is presented as opposite in direction to Chen's conjecture for smooth metrics. It would imply, after choosing a countable sequence of suitable analytic function spaces EE', a residual set of pairs not linked by an analytic geodesic. Its status is not resolved in the supplied text.

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Primary source

Alix Deleporte and Steve Zelditch, “Real-analytic geodesics in the Mabuchi space of Kähler metrics and quantization”, arXiv:2210.00763 (2024).

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