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Published in 2022 at "Axioms"
DOI: 10.3390/axioms11060290
Abstract: This paper is devoted to the investigation of cardinal invariants such as the hereditary density, hereditary weak density, and hereditary Lindelöf number. The relation between the spread and the extent of the space SP2(R,τ(A)) of…
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Keywords:
space;
properties space;
cardinal geometric;
permutation degree ... See more keywords