Theorem ContinuousLinearMap.IsIdempotentElem.isSelfAdjoint_iff_orthogonal_range

Modification history

2025-07-28 23:36
Mathlib/Analysis/InnerProductSpace/Adjoint.lean
feat(LinearAlgebra/Projection): define `Submodule.IsCompl.projection` (#27369) …
Deleted ContinuousLinearMap.IsIdempotentElem.isSelfAdjoint_iff_orthogonal_rangeView on Github →
2025-07-13 04:28
Mathlib/Analysis/InnerProductSpace/Adjoint.lean
feat(Analysis/InnerProductSpace/Adjoint): idempotent operator `T` is self-adjoint iff `(range T)ᗮ = ker T` (#26855) …
Added ContinuousLinearMap.IsIdempotentElem.isSelfAdjoint_iff_orthogonal_rangeView on Github →