import Mathlib namespace OAI /-! Convex bodies and exact coverings by a single lattice in real coordinate space. -/ namespace SingleLatticeCovering open MeasureTheory open scoped Pointwise abbrev Space (n : ℕ) := Fin n → ℝ def IsConvexBody {n : ℕ} (K : Set (Space n)) : Prop := IsCompact K ∧ Convex ℝ K ∧ (interior K).Nonempty def LatticeCovers {n : ℕ} (K : Set (Space n)) (L : Submodule ℤ (Space n)) : Prop := K + (L : Set (Space n)) = Set.univ end SingleLatticeCovering end OAI