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Convergence with respect to ultrafilters and the collective normality of products. (English. Russian original) Zbl 0687.54004

Mosc. Univ. Math. Bull. 43, No. 2, 45-47 (1988); translation from Vestn. Mosk. Univ., Ser. I 1988, No. 2, 73-76 (1988).
See the review in Zbl 0643.54024.

MSC:

54A20 Convergence in general topology (sequences, filters, limits, convergence spaces, nets, etc.)
54B10 Product spaces in general topology
54D30 Compactness
54D15 Higher separation axioms (completely regular, normal, perfectly or collectionwise normal, etc.)

Citations:

Zbl 0643.54024
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