Necessary and sufficient condition for bounded distance equivalence of parallelotope model sets
Necessary and sufficient condition for bounded distance equivalence of parallelotope model sets
Let be a lattice, let denote projection onto the second factor, and let be the half-open parallelotope
where are linearly independent vectors in . The bounded-distance equivalence conjecture. The model set is bounded distance equivalent to a lattice if and only if there exist vectors such that
This conjecture proposes that the sufficient condition for bounded distance equivalence established for parallelotope windows is also necessary, characterizing exactly when such a model set is bounded distance equivalent to a lattice.
Sources & referencesView supporting material
Primary source
Sigrid Grepstad, “Bounded distance equivalence of cut-and-project sets and equidecomposability”, arXiv:2409.05450 (2026).
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