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Continuity of eigenvalues and shape optimisation for Laplace and Steklov problems Alexandre GirouardMikhail KarpukhinJean Lagacé OriginalPaper Open access 13 August 2021 Pages: 513 - 561
Monodromy groups of Kloosterman and hypergeometric sheaves Nicholas M. KatzPham Huu Tiep OriginalPaper 29 August 2021 Pages: 562 - 662
A proof of Ringel’s conjecture R. MontgomeryA. PokrovskiyB. Sudakov OriginalPaper Open access 02 September 2021 Pages: 663 - 720
Sweepouts of closed Riemannian manifolds Alexander NabutovskyRegina RotmanStéphane Sabourau OriginalPaper 31 August 2021 Pages: 721 - 766