Blurrings Of The J-Function
Blurrings Of The J-Function
复制标题
J 功能的模糊
DOI:
10.1093/qmath/haab037
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发表时间:
2022
期刊:
影响因子:
--
通讯作者:
Aslanyan V
中科院分区:
文献类型:
--
作者:
Aslanyan V
Inspired by the idea of blurring the exponential function, we define blurred variants of thej-function and its derivatives, where blurring is given by the action of a subgroup of. For a dense subgroup (in the complex topology) we prove an Existential Closedness theorem which states that all systems of equations in terms of the corresponding blurredjwith derivatives have complex solutions, except where there is a functional transcendence reason why they should not. For thej-function without derivatives we prove a stronger theorem, namely, Existential Closedness forjblurred by the action of a subgroup which is dense in, but not necessarily in.We also show that for a suitably chosen countable algebraically closed subfield, the complex field augmented with a predicate for the blurring of thej-function byis model theoretically tame, in particular,ω-stable and quasiminimal.
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期刊:
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