The adelic amoeba half-space conjecture for lower-dimensional varieties

Let XGmdX\subset\mathbb{G}_{\text{m}}^d be an irreducible variety of dimension rr such that its adelic amoeba AA(X)\mathscr{A}_{\mathbb{A}}(X) is not contained in any hyperplane. Let LRdL\subset\mathbb{R}^d be a linear subspace of codimension rr, and let HH be a relatively open half-space in LL whose boundary contains \mbf0\mbf{0}. Adelic amoeba half-space conjecture. One has

HAA(X).H\cap\mathscr{A}_{\mathbb{A}}(X)\ne\varnothing.

This conjecture extends the preceding theorem, which establishes the analogous assertion for hypersurfaces, to varieties of arbitrary lower dimension. Its status is not resolved in the supplied source.

Sources & referencesView supporting material

Primary source

Manfred Einsiedler, Mikhail Kapranov and Douglas Lind, “Non-archimedean amoebas and tropical varieties”, arXiv:math/0408311 (2005).

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