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Space-Time Euler Discretization Schemes for the Stochastic 2D Navier-Stokes Equations
[OWP-2020-12] (Mathematisches Forschungsinstitut Oberwolfach, 2020-05-06)
We prove that the implicit time Euler scheme coupled with finite elements space discretization for the 2D Navier-Stokes equations on the torus subject to a random perturbation converges in $L^2(\Omega)$, and describe the ...
On Weakly Complete Universal Enveloping Algebras of pro-Lie Algebras
[OWP-2020-10] (Mathematisches Forschungsinstitut Oberwolfach, 2020-04-27)
Hopf Algebras in Combinatorics, Volume 2
[OWP-2020-15] (Mathematisches Forschungsinstitut Oberwolfach, 2020-07-30)
Hopf Algebras in Combinatorics, Volume 1
[OWP-2020-14] (Mathematisches Forschungsinstitut Oberwolfach, 2020-07-29)
How Quantum Information Can Improve Social Welfare
[OWP-2020-13] (Mathematisches Forschungsinstitut Oberwolfach, 2020-07-16)
In [2, 18, 5, 19, 4] it has been shown that quantum resources can allow us
to achieve a family of equilibria that can have sometimes a better social welfare,
while guaranteeing privacy. We use graph games to propose ...
Maximal Quaternion Orders in Quadratic Extensions - in Hurwitz’s Diaries
[OWP-2020-16] (Mathematisches Forschungsinstitut Oberwolfach, 2020-08-03)
We present and comment on some unpublished work of Adolf Hurwitz on quaternion arithmetic from his diaries.
Braidoids
[OWP-2020-17] (Mathematisches Forschungsinstitut Oberwolfach, 2020-09-03)
Braidoids generalize the classical braids and form a counterpart theory to the theory of planar knotoids, just as the theory of braids does for the theory of knots. In this paper, we introduce the notion of braidoids in ...
The Pelletier-Ressayre Hidden Symmetry for Littlewood-Richardson Coefficients
[OWP-2020-18] (Mathematisches Forschungsinstitut Oberwolfach, 2020-09-08)
We prove an identity for Littlewood–Richardson coefficients conjectured by Pelletier and Ressayre. The proof relies on a novel birational involution defined over any semifield.
Unexpected Properties of the Klein Configuration of 60 Points in $\mathbb{P}^3$
[OWP-2020-19] (Mathematisches Forschungsinstitut Oberwolfach, 2020-10-07)
Felix Klein in course of his study of the regular and its symmetries encountered a highly symmetric configuration of 60 points in $\mathbb{P}^3$. This configuration has appeared in various guises, perhaps post notably as ...
Homology and $K$-Theory of Torsion-Free Ample Groupoids and Smale Spaces
[OWP-2020-20] (Mathematisches Forschungsinstitut Oberwolfach, 2020-10-09)
Given an ample groupoid, we construct a spectral sequence with groupoid homology with integer coefficients on the second sheet, converging to the $K$-groups of the groupoid C*-algebra when the groupoid has torsion-free ...