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math.GR2023
Oriented singquandles and related algebraic structures
Marco Bonatto
In this paper we consider the algebraic structures related to invariants of topological structures introduced respectively in [CEKL22] and [ADEM19]. Our main results is to show how…
math.GR2023
Two Galois connections for left quasigroups
Marco Bonatto
We investigate two Galois connection between the congruence lattice and the lattice of subgroups of the displacement group of left quasigroups. Such connections were already studie…