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Hybrid Definability in Topological Spaces
We present some results concerning the definability of classes of topological spaces in hybrid languages. We use the language $L_t$ described in Flum and Ziegler's... -
Choice functions and well-orderings over the infinite binary tree
International audience -
Definable Envelopes of Nilpotent Subgroups of Groups with Chain Conditions on...
An $\mathfrak{M}_C$ group is a group in which all chains of centralizers have finite length. In this article, we show that every nilpotent subgroup of an... -
Relative geometries
International audience
