$2^{\aleph_0}$ pairwise non-isomorphic maximal-closed subgroups of Sym$(\mathbb{N})$ via the classification of the reducts of the Henson digraphs

DOI10.1017/JSL.2017.74zbMath1522.03109arXiv1509.07674MaRDI QIDQ6265799

Lovkush Agarwal, Michael Kompatscher

Publication date: 25 September 2015

Directed graphs (digraphs), tournaments (05C20) Interpolation, preservation, definability (03C40) Subgroups of symmetric groups (20B35) Model theory of denumerable and separable structures (03C15) Infinite automorphism groups (20B27) Categoricity and completeness of theories (03C35)

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