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Erdős problem 1038

Among all nonconstant monic polynomials ff whose roots lie in [1,1][-1, 1], determine inff{xR:f(x)<1}\inf_f |\{x \in \mathbb{R} : |f(x)| < 1\}|.

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5 retained statements2415f78e850a

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FormalConjectures/ErdosProblems/

1038.lean

Retained formal statement3 of 4

The infimum of |{x ∈ ℝ : |f x| < 1}| over all nonconstant monic polynomials f such that all of its roots are real and contained in [-1,1] is ≥ 2 ^ (4 / 3) - 1.

FormalConjectures/ErdosProblems/1038.leanErdos1038.erdos_1038.varaints.inf_lowerBound1 lineExact file
∀ (n : ℕ), 2 ^ (4 / 3) - 1 ≤ ⨅ f, MeasureTheory.volume {x | |Polynomial.eval xf| < 1}
SolvedStatement only, no proof

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