Zapiski Nauchnykh Seminarov POMI, Rings and linear groups, Tome 75 (1978), pp. 35-42
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Z. I. Borevich; V. Venslav; É. Dobrovol'skii; V. I. Rodionov. The number of labeled topologies on nine points. Zapiski Nauchnykh Seminarov POMI, Rings and linear groups, Tome 75 (1978), pp. 35-42. http://geodesic.mathdoc.fr/item/ZNSL_1978_75_a4/
@article{ZNSL_1978_75_a4,
author = {Z. I. Borevich and V. Venslav and \'E. Dobrovol'skii and V. I. Rodionov},
title = {The number of labeled topologies on nine points},
journal = {Zapiski Nauchnykh Seminarov POMI},
pages = {35--42},
year = {1978},
volume = {75},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/ZNSL_1978_75_a4/}
}
TY - JOUR
AU - Z. I. Borevich
AU - V. Venslav
AU - É. Dobrovol'skii
AU - V. I. Rodionov
TI - The number of labeled topologies on nine points
JO - Zapiski Nauchnykh Seminarov POMI
PY - 1978
SP - 35
EP - 42
VL - 75
UR - http://geodesic.mathdoc.fr/item/ZNSL_1978_75_a4/
LA - ru
ID - ZNSL_1978_75_a4
ER -
%0 Journal Article
%A Z. I. Borevich
%A V. Venslav
%A É. Dobrovol'skii
%A V. I. Rodionov
%T The number of labeled topologies on nine points
%J Zapiski Nauchnykh Seminarov POMI
%D 1978
%P 35-42
%V 75
%U http://geodesic.mathdoc.fr/item/ZNSL_1978_75_a4/
%G ru
%F ZNSL_1978_75_a4
The number of all topologies which can be introduced on a fixed set of nine points is found. It is equal to 63 260 289 423. Of them 44 511 042 511 are topologies with the axiom of separability $\mathrm T_\mathrm o$. Bibl. 3 titles.
