Open Research Index

Centred maximal constants for cubes and Euclidean balls

Yongxi Lin

Palomar Registrypalomar/PALOMAR-2026-09-19-000002Oct 1, 2026math.CAscore 0

Lean proofs of Yongxi Lin's original weak type (1,1) bounds: c_2 >= 1.6855 and c_2 = 3. Also proves the classical cube bound c_d <= 2^d.

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