Universality: new criterion for non-existence

Shelah, S

Shelah, S (通讯作者),Hebrew Univ Jerusalem, Einstein Inst Math, Edmond J Safra Campus, IL-9190401 Jerusalem, Israel.;Shelah, S (通讯作者),Rutgers State Univ, Dept Math, Hill Ctr Busch Campus,110 Frelinghuysen Rd, Piscataway, NJ 08854 USA.

BOLLETTINO DELLA UNIONE MATEMATICA ITALIANA, 2023; 16 (1): 43

Abstract

We find new reasons for a class of models for not having a universal model in a cardinal lambda. This work, though has consequences in model theory, i......

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