Asger Törnquist

activity

20092019

most citedA co-analytic Cohen indestructible maximal cofinitary group

11 citations · 22 across the 8 of their papers we have counts for

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Showing 2012 · math.LOShow all

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math.LO2012

The $Σ_{2}^{1}$ counterparts to statements that are equivalent to the Continuum Hypothesis

Asger Tornquist, William Weiss

We consider natural $Σ_{2}^{1}$ definable analogues of many of the classical statements that have been shown to be equivalent to CH. It is shown that these $Σ_{2}^{1}$ analogues are equiva…

The Σ21​ counterparts to statements that are equivalent to the Continuum Hypothesis

The $Σ_{2}^{1}$ counterparts to statements that are equivalent to the Continuum Hypothesis