Lecture Notes in Mathematics Volume 372, 1974, pp 241-280
Date: 26 Aug 2006
The subgroup theorem for amalgamated free products, HNN-constructions and colimits
- R.H. Crowell and N. Smythe, The theory of groupnets (in preparation, partial preprint available).
- Philip J. Higgins, Notes on categories and groupoids (Van Nostrand Reinhold Mathematical Studies, 32. Van Nostrand, London, 1971). Zbl.226.20054.
- A. Karrass and D. Solitar, "The subgroups of a free product of two groups with an amalgamated subgroup", Trans. Amer. Math. Soc. 150 (1970), 227–255. MR41#5499. CrossRef
- A. Karrass and D. Solitar, "Subgroups of HNN groups and groups with one defining relation", Canad. J. Math. 23 (1971), 627–643. Zbl.232.20051.
- Hanna Neumann, "Generalized free products with amalgamated subgroups. Part I. Definitions and general properties", Amer. J. Math. 70 (1948), 590–625. MR10,233. CrossRef
- Hanna Neumann, "Generalized free products with amalgamated subgroups. Part II. The subgroups of generalized free products", Amer. J. Math. 71 (1949), 491–540. MR11,8. CrossRef
- Edward T. Ordman, "On subgroups of amalgamated free products", Proc. Cambridge Philos. Soc. 69 (1971), 13–23. Zbl.203,323. CrossRef
- John R. Stallings, "A topological proof of Grushko's theorem on free products", Math. Z. 90 (1965), 1–8. MR32#5723. CrossRef
- F. Waldhausen, "Whitehead groups of generalized free products", preprint.
- The subgroup theorem for amalgamated free products, HNN-constructions and colimits
- Book Title
- Proceedings of the Second International Conference on The Theory of Groups
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- Australian National University, August 13–24, 1973
- pp 241-280
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- Lecture Notes in Mathematics
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- Springer Berlin Heidelberg
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