Browsing by MSC "81"
Now showing items 41-60 of 101
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2248b - Mini-Workshop: A Geometric Fairytale full of Spectral Gaps and Random Fruit
[OWR-2022-53] (2022) - (27 Nov - 03 Dec 2022)In many situations, most prominently in quantum mechanics, it is important to understand well the eigenvalues and associated eigenfunctions of certain self-adjoint differential operators. The goal of this workshop was ... -
1508b - Mini-Workshop: Coideal Subalgebras of Quantum Groups
[OWR-2015-10] (2015) - (15 Feb - 21 Feb 2015)Coideal subalgebras of quantized enveloping algebras appear naturally if one considers quantum group analogs of Lie subalgebras. Examples appear in the theory of quantum integrable systems with boundary and in harmonic ... -
1449a - Mini-Workshop: Dynamical versus Diffraction Spectra in the Theory of Quasicrystals
[OWR-2014-53] (2014) - (30 Nov - 06 Dec 2014)The dynamical (or von Neumann) spectrum of a dynamical system and the diffraction spectrum of the corresponding measure dynamical system are intimately related. While their equivalence in the case of pure point spectra is ... -
1103a - Mini-Workshop: Dynamics of Trace Maps and Applications to Spectral Theory
[OWR-2011-3] (2011) - (16 Jan - 22 Jan 2011)Recently some exciting results for the spectrum of Schrödinger operators with self-similar potentials and the dynamics of the associated Schrödinger equation have been established using input from complex and smooth dynamics. ... -
1545a - Mini-Workshop: Friezes
[OWR-2015-48] (2015) - (01 Nov - 07 Nov 2015)Frieze patterns were introduced in the early 1970s by Coxeter. They are infinite arrays of numbers in which every four neighbouring entries always satisfy the same arithmetic relation. Amazingly, friezes appear in many ... -
0950c - Mini-Workshop: Geometry of Quantum Entanglement
[OWR-2009-56] (2009) - (06 Dec - 12 Dec 2009)The workshop aimed at developing interactions between researchers from quantum information theory and from asymptotic geometric analysis. A central notion discussed was the phenomenon of quantum entanglement, which naturally ... -
0533c - Mini-Workshop: Gerbes, Twisted K-Theory and Conformal Field Theory
[OWR-2005-38] (2005) - (14 Aug - 20 Aug 2005)The aim of the mini-workshop was to bring together people whose work in mathematics and mathematical physics centers around geometry and topology applicable in modern string theory. More specifically, whose interests are ... -
1816b - Mini-Workshop: Gibbs Measures for Nonlinear Dispersive Equations
[OWR-2018-18] (2018) - (15 Apr - 21 Apr 2018)In this mini-workshop we brought together leading experts working on the application of Gibbs measures to the study of nonlinear PDEs. This framework is a powerful tool in the probabilistic study of solutions to nonlinear ... -
1040c - Mini-Workshop: Higher Dimensional Elliptic Fibrations
[OWR-2010-46] (2010) - (03 Oct - 09 Oct 2010)Elliptic fibrations play a central role in the geometry of complex surfaces, and there is a comprehensive array of theory and examples. They arise also as a tool in many applications, such as the construction of rational ... -
0836b - Mini-Workshop: Mathematical Approaches to Collective Phenomena in Large Quantum Systems
[OWR-2008-40] (2008) - (31 Aug - 06 Sep 2008) -
0950b - Mini-Workshop: Modeling and Understanding Random Hamiltonians: Beyond Monotonicity, Linearity and Independence
[OWR-2009-55] (2009) - (06 Dec - 12 Dec 2009)The mini-workshop was devoted to the spectral analysis of random Schr¨dinger-type operators. While this topic has been intensively studo ied by physicists and mathematicians for several decades, more recently there has ... -
1330c - Mini-Workshop: New Crossroads between Mathematics and Field Theory
[OWR-2013-38] (2013) - (21 Jul - 27 Jul 2013)In the last few years, it has been strongly emphasized the need to use new mathematical tools and structures which are not part of the traditional pool of expertise of the community working on the analysis of the mathematical ... -
1651a - Mini-Workshop: New Interactions between Homotopical Algebra and Quantum Field Theory
[OWR-2016-58] (2016) - (18 Dec - 23 Dec 2016)Recent developments in quantum field theory strongly call for techniques from homotopical algebra to develop the mathematical foundations of quantum gauge theories. This mini-workshop brought together experts working at ... -
1240a - Mini-Workshop: Nichols Algebras and Weyl Groupoids
[OWR-2012-47] (2012) - (30 Sep - 06 Oct 2012)Nichols algebras are graded braided Hopf algebras satisfying a universal property. Many structural results of a Nichols algebra can be obtained by studying itsWeyl groupoid and its homology. In the mini-workshop, introductions ... -
2106a - Mini-Workshop: Non-semisimple Tensor Categories and Their Semisimplification (online meeting)
[OWR-2021-7] (2021) - (07 Feb - 13 Feb 2021)Finite tensor categories are, despite their many applications and great interest, notoriously hard to classify. Among them, the semisimple ones (called fusion categories) have been intensively studied. Those with ... -
0908b - Mini-Workshop: Product Systems and Independence in Quantum Dynamics
[OWR-2009-9] (2009) - (15 Feb - 21 Feb 2009)Quantum dynamics, both reversible (i.e., closed quantum systems) and irreversible (i.e., open quantum systems), gives rise to product systems of Hilbert spaces or, more generally, of Hilbert modules. When we consider ... -
1449c - Mini-Workshop: Reflection Positivity in Representation Theory, Stochastics and Physics
[OWR-2014-55] (2014) - (30 Nov - 06 Dec 2014)The central focus of the workshop was reflection positivity, its occurrence in physics, representation theory, abstract harmonic analysis, and stochastic analysis. The program was intrinsically interdisciplinary and included ... -
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 ... -
1941c - Mini-Workshop: Self-adjoint Extensions in New Settings
[OWR-2019-47] (2019) - (06 Oct - 12 Oct 2019)The main focus of the workshop is on the analysis of boundary value problems for differential and difference operators in some non-classical geometric settings, such as fractal graphs, sub-Riemannian manifolds or non-elliptic ... -
0946a - Mini-Workshop: Spectrum of Transfer Operators: Recent Developments and Applications
[OWR-2009-49] (2009) - (08 Nov - 14 Nov 2009)Transfer operators and their spectral theory provide a unifying framework for studying stochastic properties of chaotic deterministic dynamical systems. The goal of this workshop was to widen the class of systems that can ...