Abstract
We define quasi-formations, a generalization of formations of finite groups. For a quasi-formation \(\mathcal{C}\) we construct an analogue of a free pro-\(\mathcal{C}\) group.
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Research supported by ISF grant No. 696/13.
A part of a Ph.D. Thesis [Fri] done at Tel Aviv University under the supervision of the second author.
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Fried, S., Haran, D. Quasi-formations. Isr. J. Math. 229, 193–217 (2019). https://doi.org/10.1007/s11856-018-1795-9
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DOI: https://doi.org/10.1007/s11856-018-1795-9