Proof of `Rank and trace of shared frame tensors` (4th statement)
groundedproofs/Lax342547Proofs/TensorIntersections.lean · lax-342547
What this proof establishes
no assumptions
Assuming the claims on the left, the claim on the right holds — checked by the archive's pipeline. Proof code is not displayed here.
Description
Cyclic trace moves the two frame maps together. Their product is the transpose of the prescribed self-Gram matrix, giving its entrywise pairing with the coefficient matrix.