The epimorphism relation among countable groups is a complete analytic quasi‐order.

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Title: The epimorphism relation among countable groups is a complete analytic quasi‐order.
Authors: Gao, Su1 (AUTHOR) sgao@nankai.edu.cn, Li, Feng1 (AUTHOR), Nies, André2 (AUTHOR), Paolini, Gianluca3 (AUTHOR)
Source: Bulletin of the London Mathematical Society. May2026, Vol. 58 Issue 5, p1-10. 10p.
Database: Academic Search Ultimate
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An: 194163677
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  Data: The epimorphism relation among countable groups is a complete analytic quasi‐order.
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  Data: <searchLink fieldCode="AR" term="%22Gao%2C+Su%22">Gao, Su</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> sgao@nankai.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Li%2C+Feng%22">Li, Feng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Nies%2C+André%22">Nies, André</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Paolini%2C+Gianluca%22">Paolini, Gianluca</searchLink><relatesTo>3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Bulletin+of+the+London+Mathematical+Society%22">Bulletin of the London Mathematical Society</searchLink>. May2026, Vol. 58 Issue 5, p1-10. 10p.
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        Value: 10.1112/blms.70375
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      – Code: eng
        Text: English
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        PageCount: 10
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      – TitleFull: The epimorphism relation among countable groups is a complete analytic quasi‐order.
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            NameFull: Li, Feng
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            NameFull: Nies, André
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              Text: May2026
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              Y: 2026
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