OAI/Analysis/BoundedHochschild/IsometryDefectColumns.lean
13 declarations, 0 contain sorry, 0 declared as axioms
Orthogonal columns from an isometry defect
A nonunitary isometry supplies countably many equivalent, orthogonal defect projections. This is an algebraic ingredient of the properly infinite case.
- lemma
OAI.BoundedHochschild.KadisonRingrose.isometry_pow_initialline 20 - lemma
OAI.BoundedHochschild.KadisonRingrose.isometry_pow_cancelline 30 - def
OAI.BoundedHochschild.KadisonRingrose.isometryDefectline 34 - lemma
OAI.BoundedHochschild.KadisonRingrose.isometryDefect_projectionline 36 - lemma
OAI.BoundedHochschild.KadisonRingrose.isometryDefect_mulline 44 - lemma
OAI.BoundedHochschild.KadisonRingrose.isometryDefect_mul_pow_succline 48 - lemma
OAI.BoundedHochschild.KadisonRingrose.isometry_column_initialline 52 - def
OAI.BoundedHochschild.KadisonRingrose.isometryColumnline 60 - lemma
OAI.BoundedHochschild.KadisonRingrose.isometryColumn_initialline 65 - lemma
OAI.BoundedHochschild.KadisonRingrose.isometryColumn_coeline 69 - lemma
OAI.BoundedHochschild.KadisonRingrose.isometryColumn_star_mul_of_ltline 73 - lemma
OAI.BoundedHochschild.KadisonRingrose.isometryColumn_star_mul_of_neline 85 - lemma
OAI.BoundedHochschild.KadisonRingrose.isometryColumn_final_orthogonalline 93