On a theorem of Isbell concerning extremally disconnectedp-spaces
β Scribed by R. L. Blair
- Book ID
- 112583978
- Publisher
- Springer
- Year
- 1961
- Tongue
- English
- Weight
- 58 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0003-889X
No coin nor oath required. For personal study only.
π SIMILAR VOLUMES
Isbell proved his famous zigzag theorem for semigroups using essentially topological methods in [Epimorphisms and dominions, in "Proceedings of the Conference on Categorical Algebra, La Jolla, 1965," pp. 232-246]. Since then a number of authors have proved this result using a variety of different te
The article is concerned with the Bourgain, Brezis and Mironescu theorem on the asymptotic behaviour of the norm of the Sobolev-type embedding operator: W s;p ! L pn=Γ°nΓspΓ as s " 1 and s " n=p: Their result is extended to all values of s 2 Γ°0; 1Γ and is supplied with an elementary proof. The relati
For e-.ery positive integer IV, we determine the rnaxintum sizes of collections C and C' of divisors of N subject to the following restrictions. 1' any IWO numbers in C are coprime. then their least common multiple must he N. If any k nu nbers (k arbitrary) in C' have the greatest common divisor 1.