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
β¦ LIBER β¦
A topological proof of Grushko's theorem on free products
β Scribed by John R. Stallings
- Publisher
- Springer-Verlag
- Year
- 1965
- Tongue
- French
- Weight
- 540 KB
- Volume
- 90
- Category
- Article
- ISSN
- 0025-5874
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