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math.CO2026
Hall's universal group does not have finite big Ramsey degrees
Dragan Mašulović, Veljko Toljić
In this paper we show that the Hall's universal group does not have finite big Ramsey degrees. Our strategy consists of piggybacking on the recent result of Hubička, Konečný, Todor…
math.CO2023
Conant's Metric Spectra Problem
Veljko Toljić
In this paper, we try to minimize the scope of possible unique metric spectra up to equivalence. While it is well known that every spectra is equivalent t…