... decomposition)Let µ be a positive measure and λ be a signed measure on a measurable space (X, A). If there existtwo signed measures λa and λson (X, A) such thatλa µ, λs⊥µ and λ = λa+ λs,then ... positive measure and λ be a σ-finite signed measure on a measurable space(X, A). Then there exist two signed measures λa and λson (X, A) such thatλa µ, λs⊥µ, λ = λa+ λs and λais ... σ-finite positive measure and λ be a signed measure on a measurable space (X, A). Iftwo extended real-valued A-measurable functions f and g are Radon-Nikodym derivatives of λ with respect to µ,...