Commutation of Projections and Characterization of Traces on von Neumann Algebras. III commutation conditions for
nonnegative operators and projections in terms of
operator inequalities
On invertibility of some operator sumsWe study invertibility of some sums of linear bounded
operators on Hilbert space (Theorem 1). A
States with Minimum Dispersion of Observables in Kuryshkin-Wodkiewicz Quantum Mechanics the Kuryshkin-Wodkiewicz model of quantum measurements and construct the expressions for
operators dispersions