OAI/GroupTheory/PolycyclicRecognition/Algebra/RealTorusAction.lean
7 declarations, 0 contain sorry, 0 declared as axioms
The compact rotational group acts on the real Lie algebra
- def
OAI.PolycyclicRecognition.realTorusOperatorline 17Source documentation
The compact torus action restricted to the original real form.
def realTorusOperator (z : realRotationTorus L H) : L →ₗ[ℝ] L := …
- theorem
OAI.PolycyclicRecognition.realTorusOperator_complexifyline 22 - theorem
OAI.PolycyclicRecognition.realTorusOperator_oneline 35 - theorem
OAI.PolycyclicRecognition.realTorusOperator_mulline 41 - theorem
OAI.PolycyclicRecognition.realTorusOperator_lieline 48 - def
OAI.PolycyclicRecognition.realTorusAutomorphismline 58Source documentation
Actual real Lie automorphisms, indexed by the compact torus.
def realTorusAutomorphism (z : realRotationTorus L H) : L ≃ₗ⁅ℝ⁆ L where …
- def
OAI.PolycyclicRecognition.realTorusLinearActionline 68Source documentation
The underlying linear representation of the compact group.
def realTorusLinearAction : realRotationTorus L H →* (L ≃ₗ[ℝ] L) where …