EAP - Proceedings of the Estonian Academy of Sciences

PUBLISHED
SINCE 1952

proceedings
of the estonian academy of sciences

ISSN 1736-7530 (Electronic)
ISSN 1736-6046 (Print)

Impact Factor (2024): 0.7

Research article

An iterative formula for finding the number of different R₀-topologies on a finite set; pp. 521–524

Author

Mart Abel

Abstract

We present an iterative formula for calculating the number of different R₀-topologies on a finite set.

References

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https://doi.org/10.1080/00029890.1961.11989785

2. Rota, G.-C. The number of partitions of a set. Am. Math. Mon., 1964, 71(5), 498–504.
https://doi.org/10.1080/00029890.1964.11992270

3. Vainura, A.-M. On the number of topologies on finite sets. Bachelor’s thesis. Tallinn University, Estonia, 2024.