OAI/Analysis/Mahler/StripRankGeometry.lean
11 declarations, 0 contain sorry, 0 declared as axioms
- def
OAI.SymmetricMahler.stripCoordinateLinearline 13Source documentation
The complexification of the real strip matrix, in real pair coordinates.
def stripCoordinateLinear (A : J → I → ℝ) : ((I → ℝ) × (I → ℝ)) →ₗ[ℝ] (J → ℂ) where … - lemma
OAI.SymmetricMahler.stripCoordinate_injectiveline 22 - lemma
OAI.SymmetricMahler.continuous_stripCoordinateline 36 - theorem
OAI.SymmetricMahler.stripCoordinate_isClosedEmbeddingline 40Source documentation
Rank n implies properness of the full complexified matrix.
theorem stripCoordinate_isClosedEmbedding (A : J → I → ℝ) (hA : Function.Injective (measurement A)) : Topology.IsClosedEmbedding (stripCoordinate A) := …Mentions: OAI.SymmetricMahler.measurement, OAI.SymmetricMahler.stripCoordinate
- theorem
OAI.SymmetricMahler.stripCoordinate_compact_preimageline 47Source documentation
Compact coordinate constraints have compact inverse image, with no additional boundedness assumption on z.
theorem stripCoordinate_compact_preimage (A : J → I → ℝ) (hA : Function.Injective (measurement A)) {K : Set (J → ℂ)} (hK : IsCompact K) : IsCompact (stripCoordinate A ⁻¹' K) := …Mentions: OAI.SymmetricMahler.measurement, OAI.SymmetricMahler.stripCoordinate
- lemma
OAI.SymmetricMahler.stripCoordinate_zeroline 53 - lemma
OAI.SymmetricMahler.stripCoordinate_eq_zero_iffline 56 - lemma
OAI.SymmetricMahler.stripGeometry_isOpen_domainline 62 - lemma
OAI.SymmetricMahler.zero_mem_stripDomainline 69 - theorem
OAI.SymmetricMahler.strip_power_common_zeroline 76Source documentation
The literal holomorphic map used in the mass application has only the origin as a common zero.
theorem strip_power_common_zero (A : J → I → ℝ) (hA : Function.Injective (measurement A)) {m : ℕ} (hm : 0 < m) {z : (I → ℝ) × (I → ℝ)} (hz : z ∈ stripDomain A) : (∀ j, inverseF (stripCoordinate A z j) ^ m = 0) ↔ z = 0 := by …Mentions: OAI.SymmetricMahler.measurement, OAI.SymmetricMahler.stripDomain, OAI.SymmetricMahler.stripCoordinate
- theorem
OAI.SymmetricMahler.strip_leading_common_zeroline 89Source documentation
The displayed leading homogeneous map also has no nonzero common zero.
theorem strip_leading_common_zero (A : J → I → ℝ) (hA : Function.Injective (measurement A)) {m : ℕ} (hm : 0 < m) {c : ℂ} (hc : c ≠ 0) {z : (I → ℝ) × (I → ℝ)} : (∀ j, (c * stripCoordinate A z j) ^ m = 0) ↔ z = 0 := by …Mentions: OAI.SymmetricMahler.measurement, OAI.SymmetricMahler.stripCoordinate