Nicolò Cont

works on

cheeger inequality 1 convex geometry 1 laplacian eigenvalues 1 principal widths 1 rhomboid-like sets 1

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math.SP2026

Convex sets with vanishing relative width and the reverse Cheeger inequality

NicolÃ² Cont, Gian Paolo Leonardi, Giorgio Saracco

The paper extends the reverse Cheeger inequality beyond convex sets, introduces principal widths to measure domain collapse, and shows that sequences of convex bodies with vanishin…