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math.LO2020
Degree spectra of analytic complete equivalence relations
Dino Rossegger
We study the bi-embeddability and elementary bi-embeddability relation on graphs under Borel reducibility and investigate the degree spectra realized by this relations. We first gi…
math.LO2020★ 3 cited
On bi-embeddable categoricity of algebraic structures
Nikolay Bazhenov, Dino Rossegger, Maxim Zubkov
In several classes of countable structures it is known that every hyperarithmetic structure has a computable presentation up to bi-embeddability. In this article we investigate the…