Oberwolfach Reports: Recent submissions
Now showing items 241-260 of 1250
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2149b - Mini-Workshop: Scattering Amplitudes, Cluster Algebras, and Positive Geometries (hybrid meeting)
[OWR-2021-57] (2021) - (05 Dec - 11 Dec 2021)Cluster algebras were developed by Fomin and Zelevinsky about twenty years ago. While the initial motivation came from within algebra (total positivity, canonical bases), it quickly became clear that cluster algebras ... -
2114 - Arbeitsgemeinschaft: Derived Galois Deformation Rings and Cohomology of Arithmetic Groups (hybrid meeting)
[OWR-2021-18] (2021) - (04 Apr - 10 Apr 2021)The purpose of the workshop was to study derived generalizations of Mazur's deformation ring of Galois representations, and the relationship of such a derived deformation ring to the homology of arithmetic groups. -
2141 - Arbeitsgemeinschaft: Thin Groups and Super-approximation (hybrid meeting)
[OWR-2021-50] (2021) - (10 Oct - 15 Oct 2021)The aim of this workshop was to discuss the super-approximation of thin groups, its dynamical implications in terms of the mixing of geodesic flows, and applications to various problems in arithmetic, geometry, and dynamics. -
2142a - Mini-Workshop: Three Facets of R-Matrices (hybrid meeting)
[OWR-2021-51] (2021) - (17 Oct - 23 Oct 2021)By definition, an $R$-matrix with spectral parameter is a solution to the Yang-Baxter equation, introduced in the 1970's by C.N. Yang and R.J. Baxter. Such a matrix encodes the Boltzmann weights of a lattice model of ... -
2140b - Geometry and Optimization in Quantum Information (hybrid meeting)
[OWR-2021-49] (2021) - (03 Oct - 09 Oct 2021)Quantum information theory seeks to understand the fundamental limits set by quantum mechanics for information processing tasks. The mathematical aspects of quantum information rely on tools from various fields including ... -
2140a - Statistics of Stochastic Differential Equations on Manifolds and Stratified Spaces (hybrid meeting)
[OWR-2021-48] (2021) - (03 Oct - 09 Oct 2021)Statistics for stochastic differential equations (SDEs) attempts to use SDEs as statistical models for real-world phenomena. This involves an understanding of qualitative properties of this class of stochastic processes ... -
2139 - Singularities (hybrid meeting)
[OWR-2021-47] (2021) - (26 Sep - 02 Oct 2021)Singularity theory concerns local and global structure of singularities of (algebraic) varieties and maps. As such, it combines tools from algebraic geometry, complex analysis, topology, algebra and combinatorics. -
2137 - Quantum Groups - Algebra, Analysis and Category Theory (hybrid meeting)
[OWR-2021-44] (2021) - (12 Sep - 18 Sep 2021)The meeting was devoted to discussing the state of the art of different branches of tensor categories and quantum groups, with emphasis on the exchange of ideas between the purely algebraic and operator algebraic sides of ... -
2132 - Dynamics of Waves and Patterns (hybrid meeting)
[OWR-2021-37] (2021) - (08 Aug - 14 Aug 2021)The dynamics of waves and patterns play a significant role in the sciences, especially in fluid mechanics, material science, neuroscience and ecology. The mathematical treatment interconnects several areas, ranging from ... -
2138 - Homotopical Algebra and Higher Structures (hybrid meeting)
[OWR-2021-46] (2021) - (19 Sep - 25 Sep 2021)Homotopical algebra and higher category theory play an increasingly important role in pure mathematics, and higher methods have seen tremendous development in the last couple of decades. The talks delivered at the workshop ... -
2137a - MATRIX-MFO Tandem Workshop/Small Collaboration: Rough Wave Equations (hybrid meeting)
[OWR-2021-45] (2021) - (12 Sep - 18 Sep 2021)The consideration of wave propagation in inhomogeneous media or the modelling of nonlinear waves often requires the study of wave equations with low regularity data and/or coefficients. Several Australian-European ... -
2136b - MFO-RIMS Tandem Workshop: Symmetries on Polynomial Ideals and Varieties (hybrid meeting)
[OWR-2021-43] (2021) - (05 Sep - 11 Sep 2021)The study of symmetry as a structural property of algebraic objects is one of the fundamental pillows of the developments of modern mathematics, most prominently beginning with the work of Abel and Galois. The focus of ... -
2136a - MATRIX-MFO Tandem Workshop: Invariants and Structures in Low-Dimensional Topology (hybrid meeting)
[OWR-2021-42] (2021) - (05 Sep - 11 Sep 2021)The first ever MATRIX-MFO tandem workshop addressed several research questions in low-dimensional topology and related areas. -
2135 - Mathematical Aspects of General Relativity (hybrid meeting)
[OWR-2021-40] (2021) - (29 Aug - 04 Sep 2021)General relativity is an area that naturally combines differential geometry, partial differential equations, global analysis and dynamical systems with astrophysics, cosmology, high energy physics, and numerical analysis. ... -
2135a - Small Collaboration: Advanced Numerical Methods for Nonlinear Hyperbolic Balance Laws and Their Applications (hybrid meeting)
[OWR-2021-41] (2021) - (29 Aug - 04 Sep 2021)This small collaborative workshop brought together experts from the Sino-German project working in the field of advanced numerical methods for hyperbolic balance laws. These are particularly important for compressible ... -
2131 - Computation and Learning in High Dimensions (hybrid meeting)
[OWR-2021-36] (2021) - (01 Aug - 07 Aug 2021)The most challenging problems in science often involve the learning and accurate computation of high dimensional functions. High-dimensionality is a typical feature for a multitude of problems in various areas of ... -
2133 - Computational Group Theory (hybrid meeting)
[OWR-2021-38] (2021) - (15 Aug - 21 Aug 2021)This was the eighth Oberwolfach Workshop on Computational Group Theory. It demonstrated how an increasing number and variety of deep theoretical results are being used to devise powerful and practical algorithms ... -
2126a - Analysis, Geometry and Topology of Positive Scalar Curvature Metrics (hybrid meeting)
[OWR-2021-30] (2021) - (27 Jun - 03 Jul 2021)The investigation of Riemannian metrics with lower scalar curvature bounds has been a central topic in differential geometry for decades. It addresses foundational problems, combining ideas and methods from global analysis, ... -
2128 - Dynamische Systeme (hybrid meeting)
[OWR-2021-33] (2021) - (11 Jul - 17 Jul 2021)This workshop continued a biannual series of workshops at Oberwolfach on dynamical systems that started with a meeting organized by Moser and Zehnder in 1981. Workshops in this series focus on new results and developments ... -
2119b - Mini-Workshop: Mathematics of Dissipation - Dynamics, Data and Control (hybrid meeting)
[OWR-2021-24] (2021) - (09 May - 15 May 2021)Dissipation of energy --- as well as its sibling the increase of entropy --- are fundamental facts inherent to any physical system. The concept of dissipativity has been extended to a more general system theoretic setting ...