OAI/Geometry/Arnold/Model.lean
20 declarations, 0 contain sorry, 0 declared as axioms
- abbrev
OAI.ArnoldCounterexample.CVline 10Also declared: ComparatorChallenges/ArnoldCounterexample.lean:10 (same declaration text).
- def
OAI.ArnoldCounterexample.quadricPolynomialline 12Also declared: ComparatorChallenges/ArnoldCounterexample.lean:12 (same declaration text).
- def
OAI.ArnoldCounterexample.normSquaredline 14Also declared: ComparatorChallenges/ArnoldCounterexample.lean:14 (same declaration text).
- def
OAI.ArnoldCounterexample.IsUnitQuadricline 16Also declared: ComparatorChallenges/ArnoldCounterexample.lean:16 (same declaration text).
- abbrev
OAI.ArnoldCounterexample.UnitQuadricline 19Also declared: ComparatorChallenges/ArnoldCounterexample.lean:19 (same declaration text).
- lemma
OAI.ArnoldCounterexample.unitQuadric_ne_zeroline 21 - def
OAI.ArnoldCounterexample.Q3line 27Source documentation
The literal projective quadric sum z_j^2 = 0 in CP^4.
Also declared: ComparatorChallenges/ArnoldCounterexample.lean:22 (same declaration text).
def Q3 := {q : Projectivization ℂ CV // …Mentions: OAI.ArnoldCounterexample.CV
- def
OAI.ArnoldCounterexample.projectline 31Also declared: ComparatorChallenges/ArnoldCounterexample.lean:26 (same declaration text).
- def
OAI.ArnoldCounterexample.Horizontalline 39Source documentation
Horizontal lifts of the real tangent of Q3 at [z].
Also declared: ComparatorChallenges/ArnoldCounterexample.lean:34 (same declaration text).
def Horizontal (z v : CV) : Prop := …
Mentions: OAI.ArnoldCounterexample.CV
- def
OAI.ArnoldCounterexample.omegaline 43Source documentation
The restricted Fubini--Study form, evaluated on horizontal lifts.
Also declared: ComparatorChallenges/ArnoldCounterexample.lean:38 (same declaration text).
def omega (v w : CV) : ℝ := 2 * (∑ j, star (v j) * w j).im
Mentions: OAI.ArnoldCounterexample.CV
- def
OAI.ArnoldCounterexample.LocalFunctionLiftline 46Source documentation
A local smooth extension of the pullback of h to the unit isotropic cone.
Also declared: ComparatorChallenges/ArnoldCounterexample.lean:41 (same declaration text).
def LocalFunctionLift (h : Q3 → ℝ) (z : UnitQuadric) (U : Set CV) (g : CV → ℝ) : Prop := …Mentions: OAI.ArnoldCounterexample.Q3, OAI.ArnoldCounterexample.UnitQuadric, OAI.ArnoldCounterexample.CV
- def
OAI.ArnoldCounterexample.IsSmoothFunctionline 51Also declared: ComparatorChallenges/ArnoldCounterexample.lean:46 (same declaration text).
- structure
OAI.ArnoldCounterexample.SmoothFunctionline 54Also declared: ComparatorChallenges/ArnoldCounterexample.lean:49 (same declaration text).
- def
OAI.ArnoldCounterexample.IsCriticalline 59Source documentation
dh_q = 0, expressed using all local lifts, independent of normal extensions.
Also declared: ComparatorChallenges/ArnoldCounterexample.lean:54 (same declaration text).
def IsCritical (h : Q3 → ℝ) (q : Q3) : Prop := …
Mentions: OAI.ArnoldCounterexample.Q3
- def
OAI.ArnoldCounterexample.criticalSetline 64Also declared: ComparatorChallenges/ArnoldCounterexample.lean:59 (same declaration text).
- def
OAI.ArnoldCounterexample.criticalNumberline 67Source documentation
The minimum critical number, including degenerate functions (ENat allows infinity).
Also declared: ComparatorChallenges/ArnoldCounterexample.lean:62 (same declaration text).
def criticalNumber : ℕ∞ := ⨅ h : SmoothFunction, (criticalSet h).encard
Mentions: OAI.ArnoldCounterexample.SmoothFunction, OAI.ArnoldCounterexample.criticalSet
- structure
OAI.ArnoldCounterexample.HamiltonianPathline 71Source documentation
An explicit smooth lift of a Hamiltonian isotopy, with inverse and generator. The Hamiltonian equation uses i_X omega = dH.
Also declared: ComparatorChallenges/ArnoldCounterexample.lean:66 (same declaration text).
structure HamiltonianPath (φ : Q3 ≃ Q3) where …
Mentions: OAI.ArnoldCounterexample.Q3
- def
OAI.ArnoldCounterexample.IsHamiltonianline 100Also declared: ComparatorChallenges/ArnoldCounterexample.lean:95 (same declaration text).
- def
OAI.ArnoldCounterexample.fixedSetline 102Also declared: ComparatorChallenges/ArnoldCounterexample.lean:97 (same declaration text).
- def
OAI.ArnoldCounterexample.HasDegenerateFixedPointline 106Source documentation
Eigenvalue 1 in the derivative on the quotient tangent, not an ambient spurious vertical eigenvector. v is nonzero and horizontal.
Also declared: ComparatorChallenges/ArnoldCounterexample.lean:101 (same declaration text).
def HasDegenerateFixedPoint (φ : Q3 ≃ Q3) : Prop := …
Mentions: OAI.ArnoldCounterexample.Q3