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Preprint Number 1748

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1748. Vahagn Aslanyan, Sebastian Eterović, Jonathan Kirby
Differential Existential Closedness for the j-function

Submission date: 24 March 2020


We prove the Existential Closedness conjecture for the differential equation of the j-function and its derivatives. It states that in a differentially closed field certain equations involving the differential equation of the $j$-function have solutions. Its consequences include a complete axiomatisation of $j$-reducts of differentially closed fields, a dichotomy result for strongly minimal sets in those reducts, and a functional analogue of the Modular Zilber-Pink with Derivatives conjecture.

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Full text arXiv 2003.10996: pdf, ps.

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