Protocol Replicating Social Graphs - Scuttlebutt]]>

Please register via **christian.tschudin@unibas.ch**.

Actions of Cremona groups on CAT(0) cube complexes.]]>

In this talk, based on a common work with Christian Urech, we will construct such complexes on which Cremona groups of rank n act. We will then see which kind of results on these groups we can obtain.

]]>Amulet and Auracle: Wearable Platforms for mHealth Research]]>

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Sharp energy regularity and typical wild solutions of the incompressible Euler equations]]>

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Iterative Methods for Linear Systems over two Centuries]]>

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For further information about the seminar, please visit this webpage.

]]>Commutative ind-groups are nested (following Cantat-Regeta-Xie).]]>

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Blowup algebras of sparse determinantal varieties]]>

Blowup algebras - such as the Rees algebra, the special fiber ring, and the associated graded ring - are an active area of study within commutative algebra. They are algebraic objects related to the concept of blowing up a variety along a subvariety. In this talk, I will present some new results on the blowup algebras of sparse determinantal varieties. Our approach makes an essential use of the theory of SAGBI bases, which I will introduce during the talk. The new results that I will present are part of an ongoing joint work with E. Celikbas, E. Dufresne, L. Fouli, K.-N. Lin, C. Polini, and I. Swanson.

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