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math.LO2021
Complexity in the interdefinability of timelike, lightlike and spacelike relatedness of Minkowski spacetime
Hajnal Andréka, Judit X. Madarász, István Németi +1
Interdefinability of timelike, lightlike and spacelike relatedness of Minkowski spacetime is investigated in detail in the paper, with the aim of finding the simplest definitions.…
math.GM2021
On the networks of large embeddings
Tuğba Aslan, Mohamed Khaled, Gergely Székely
We define a special network that exhibits the large embeddings in any class of similar algebras. With the aid of this network, we introduce a notion of distance that conceivably co…