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Let $SP$ be the set of upper strongly porous at $0$ subsets of $ℝ^{+}$ and let $\hat{I} (SP)$ be the intersection of maximal ideals $I \subseteq SP$ . Some characteristic properties of sets $E \in \hat{I} (SP)$ are obtained. We also find a characteristic property of the intersection of all maximal ideals contained in a given set which is closed under subsets. It is shown that the ideal generated by the so-called completely strongly porous at $0$ subsets of $ℝ^{+}$ is a proper subideal of $\hat{I} (SP) .$ Earlier, completely strongly porous sets and some of their properties were...

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The absolute continuity of functions defined on the σ -ring generated by a ring

The atoms of a countable sum of set functions

The Jordan decomposition of the null-additive signed fuzzy measures.

The simultaneous existence of linear functionals

Thickness of a family of sets and uniform measures

Trägertopologien auf meßbaren Räumen.

Two ideals connected with strong right upper porosity at a point

Currently displaying 1 – 7 of 7

The absolute continuity of functions defined on the $σ$ -ring generated by a ring