An example of a nonzero σ-finite Borel measure μ with everywhere dense linear manifold $𝕀_{μ}$ of admissible (in the sense of invariance) translation vectors is constructed in the Hilbert space ℓ₂ such that μ and any shift $μ^{(a)}$ of μ by a vector $a ∈ ℓ₂∖𝕀_{μ}$ are neither equivalent nor orthogonal. This extends a result established in [7].
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An example of a non-zero non-atomic translation-invariant Borel measure $ν_p$ on the Banach space $ℓ_p (1 ≤ p ≤ ∞)$ is constructed in Solovay's model. It is established that, for 1 ≤ p < ∞, the condition "$ν_p$-almost every element of $ℓ_p$ has a property P" implies that "almost every" element of $ℓ_p$ (in the sense of [4]) has the property P. It is also shown that the converse is not valid.
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