%0 Unpublished Work %A Bogosel, Beniamin %T A geometric proof of the Blaschke–Lebesgue theorem for the Cheeger constant %J Annales de l'Institut Fourier %D 2025 %V 0 %N 0 %I Association des Annales de l’institut Fourier %Z Online first %R 10.5802/aif.3728 %G en %F AIF_0__0_0_A16_0