Tame Geometry  Thematic Month Week 3 / Géométrie modérée Mois thématique semaine 3

Collection Tame Geometry Thematic Month Week 3 / Géométrie modérée Mois thématique semaine 3

Organisateur(s) Matusinski, Mickael ; Rond, Guillaume ; Servi, Tamara ; Speissegger, Patrick
Date(s) 10/02/2025 - 14/02/2025
URL associée https://conferences.cirm-math.fr/3269.html
00:00:00 / 00:00:00
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As exemplified by o-minimality, imposing strong restrictions on the complexity of definable subsets of the affine line can lead to a rich tame geometry in all dimensions. There has been multiple attempts to replicate that phenomenon in non-archimedean geometry (C, P, V, b minimality) but they tend to either only apply to specific valued fields or require geometric input. In this talk I will present another such notion, h-minimality, which covers all known well behaved characteristic zero valued fields and has strong analytic and geometric consequences. By analogy with o-minimality, this notion requires that definable sets of the affine line are controlled by a finite number of points. Contrary to o-minimality though, one has to take special care of how this finite set is defined, leading to a whole family of notions of h-minimality. This notion has been developed in the past years by a number of authors and I will try to paint a general picture of their work and, in particular, how it compares to the archimedean picture.

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