Thu, 27 Feb 2025

11:00 - 12:00
C5

n-ampleness and pseudobuildings

Silke Meißner
(University of Münster)
Abstract
Zilber showed that a strongly minimal theory is 1-ample if and only if it interprets a pseudoplane. We will see a generalisation of this result to n-ample theories and define the notion of a pseudobuilding. This is joint work in progress with Katrin Tent.
Thu, 20 Feb 2025

11:00 - 12:00
C6

Translation varieties

Ehud Hrushovski
(University of Oxford)
Abstract

In algebraic geometry, the technique of dévissage reduces many questions to the case of curves. In difference and differential algebra, this is not the case, but the obstructions can be closely analysed. In difference algebra, they are difference varieties defined by equations of the form $\si(x)=g x$, determined by an action of an algebraic group and an element g of this group. This is joint work with Zoé Chatzidakis.

Toric gravitational instantons in gauged supergravity
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Tribute bands are ten a penny, but parody bands, where the songs are imitative but original, are rarer and none reached the brilliance of Neils Innes' Beatles parody, the Rutles. So good in fact that the Beatles themselves loved them (Beatle George Harrison funded the documentary) and the songs are now widely recognised on their own merits. Let's be natural.

Low energy levels of harmonic spheres in analytic manifolds
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Machine learning for classifying chronic kidney disease and predicting creatinine levels using at-home measurements
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Holographic Carrollian currents for massless scattering
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