The covering-product lower-bound conjecture for convex bodies

For a convex body KKnK\in\mathcal{K}^n, let μi(K)\mu_i(K) denote its iith covering minimum. Covering-product lower-bound conjecture. For every KKnK\in\mathcal{K}^n,

μ1(K)μn(K)vol(K)n+12n,\mu_1(K)\cdots\mu_n(K)\operatorname{vol}(K)\geq\frac{n+1}{2^n},

with equality, for example, for

Tn=conv{e1,,en,1}.T_n=\operatorname{conv}\{e_1,\ldots,e_n,-\mathbf{1}\}.

The conjecture seeks the sharp lower bound for the covering product; the paper notes that its value should decay exponentially with dimension and verifies the bound in dimension two and for important classes of bodies, while the general case remains open.

Sources & referencesView supporting material

Primary source

Bernardo González Merino and Matthias Henze, “On densities of lattice arrangements intersecting every i-dimensional affine subspace”, arXiv:1605.00443 (2016).

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