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The Bloch constant is strictly smaller than the Ahlfors--Grunsky value

Year: 2026
Type: preprint
Abstract: We prove that the classical Bloch constant is strictly smaller than the Ahlfors--Grunsky value, disproving the famous Bloch constant conjecture. The Lean 4 formalization of the main results are also provided.
Author: Zhang, Teng
Language: English
Open Access status: green
OpenAlex ID: W7221769311
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