Ido Feldman

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math.LO2026

Fodor space in generalized descriptive set theory

Ido Feldman, Miguel Moreno

We study the continuous reducibility of isomorphism relations in the space of regresive functions in $I^º^{I^} º$ . We show for inaccessible $I^º$ , that if $T$ is a theory with…

math.LO2024

Failure of an higher analogue of Mho

Ido Feldman

Justin Moore's weak club-guessing principle $℧$ admits various possible generalizations to the second uncountable cardinal. One of them was shown to hold in ZFC by Shelah. A str…