Erdős Problem #229 — Entire Functions with Prescribed Derivative Zeros
Let be a sequence of subsets of such that the derived set of each is empty, meaning that no has a finite limit point. Does there exist a transcendental entire function such that, for every integer , there is an integer for which
for every ?
References
Primary source
Additional references
Pinned Formal Conjectures source, Apache-2.0.
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Current status (as of March 2026): The problem appears open, with no recorded public activity.
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