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Finiteness of a set of non-collinear vectors generated by a family of linear operatorsLet ℝn be a real n-dimensional space, let {A(x) | x ∈ X} be a family of m = |X| linear operators

Commutation of projections and trace characterization on von Neumann algebras. IIWe obtain new necessary and sufficient commutation conditions for projections in terms of operator

Differences of Idempotents In C*-Algebras and the Quantum Hall Effect
n + 1, the symmetry operators U, V ∈ B(H), and W = U − V. Then the operator W is not a symmetry

Invariant Subspaces of Operators on a Hilbert Space to the invariant subspace problem for an operator on a Hilbert space, based on projection-convex combinations in C

An extension of the Krein-Smulian and Lozanovskii theorems to metrizable spaces with a cone theorem of Lozanovskii about the automatic continuity of linear positive operators are generalized

Commutation of Projections and Characterization of Traces on von Neumann Algebras. III commutation conditions for nonnegative operators and projections in terms of operator inequalities

Commutativity of projections and characterization of traces on Von Neumann algebras of operator inequalities. We apply these inequalities to characterize a trace on von Neumann algebras

Commutation of projections and trace characterization on von Neumann algebras. IIWe obtain new necessary and sufficient commutation conditions for projections in terms of operator

Trace and Commutators of Measurable Operators Affiliated to a Von Neumann Algebra to the trace τ) operators affiliated to a semifinite von Neumann algebra M. For self-adjoint τ

Singular integral operators and elliptic boundary-value problems. Part ISingular integral operators and elliptic boundary-value problems. Part I

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