Abstract
We prove that the conjugacy problem for the automorphism group of the random graph is Borel complete, and discuss the analogous problem for some other countably categorical structures.
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Becker H., Kechris A.S.: The descriptive set theory of Polish group actions, volume 232 of London Mathematical Society Lecture Note Series. Cambridge University Press, Cambridge (1996)
Camerlo R., Gao S.: The completeness of the isomorphism relation for countable Boolean algebras. Trans. Am. Math. Soc. 353(2), 491–518 (2001) (electronic)
Foreman, M.: A descriptive view of ergodic theory. In: Descriptive set theory and dynamical systems (Marseille-Luminy, 1996), volume 277 of London Mathematical Society Lecture Note Series, pp. 87–171. Cambridge University Press, Cambridge (2000)
Friedman H., Stanley L.: A Borel reducibility theory for classes of countable structures. J. Symb. Logic 54(3), 894–914 (1989)
Glass, A.M.W.: Ordered permutation groups, volume 55 of London Mathematical Society Lecture Note Series. Cambridge University Press, Cambridge (1981)
Hjorth G., Kechris A.S.: Borel equivalence relations and classifications of countable models. Ann. Pure Appl. Logic 82(3), 221–272 (1996)
Macpherson D., Woodrow R.: The permutation group induced on a moiety. Forum Math. 4(3), 243–255 (1992)
Truss J.K.: The group of the countable universal graph. Math. Proc. Cambridge Philos. Soc. 98(2), 213–245 (1985)
Truss J.K.: The automorphism group of the random graph: four conjugates good, three conjugates better. Discrete Math 268(1–3), 257–271 (2003)
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Coskey, S., Ellis, P. & Schneider, S. The conjugacy problem for the automorphism group of the random graph. Arch. Math. Logic 50, 215–221 (2011). https://doi.org/10.1007/s00153-010-0210-y
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DOI: https://doi.org/10.1007/s00153-010-0210-y