OAI/GroupTheory/PolycyclicRecognition/Algebra/KernelProductCoordinates.lean
1 declarations, 0 contain sorry, 0 declared as axioms
Local multiplication coordinates for an integrated height kernel
The kernel inclusion and a normalized height section have complementary actual differentials. Their product map is therefore a local coordinate map at the identity, by the ordinary inverse function theorem.
- theorem
OAI.PolycyclicRecognition.kernel_product_local_coordinatesline 27