Extremal problems among subsets of a set. (Reprint). (English) Zbl 1105.05069

This paper is a reprint of a classical article published in [Discrete Math. 8, 281–294 (1974; Zbl 0281.04002)]. It is a survey on extremal set problems. Although all references in this paper go back to 60th and meanwhile a huge number of newer papers have been published on this subject, some mentioned problems are still unsolved and deserve a reminder. A typical example of a problem in the survey is how large can a family of subsets be that satisfy some conditions on the union or intersection, etc. The authors emphasize on families with intersection/rank/containment/union limitations.


05D05 Extremal set theory


Zbl 0281.04002
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