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PRODID:-//SFB TRR 352 - ECPv6.15.11//NONSGML v1.0//EN
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X-ORIGINAL-URL:https://www.trr352.de
X-WR-CALDESC:Events for SFB TRR 352
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TZID:Europe/Berlin
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BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20251027T150000
DTEND;TZID=Europe/Berlin:20251027T150000
DTSTAMP:20260504T031331
CREATED:20251029T200343Z
LAST-MODIFIED:20251029T200343Z
UID:10000119-1761577200-1761577200@www.trr352.de
SUMMARY:Min-Max Trees
DESCRIPTION:
URL:https://www.trr352.de/event/min-max-trees/
LOCATION:Room B 349\, Theresienstr. 39\, Munich\, 80333\, Germany
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20251027T150000
DTEND;TZID=Europe/Berlin:20251027T150000
DTSTAMP:20260504T031331
CREATED:20251029T200507Z
LAST-MODIFIED:20251029T200507Z
UID:10000120-1761577200-1761577200@www.trr352.de
SUMMARY:NESS for KPZ
DESCRIPTION:
URL:https://www.trr352.de/event/ness-for-kpz/
LOCATION:Room B 349\, Theresienstr. 39\, Munich\, 80333\, Germany
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20251028T161500
DTEND;TZID=Europe/Berlin:20251028T161500
DTSTAMP:20260504T031331
CREATED:20251029T200625Z
LAST-MODIFIED:20251029T200625Z
UID:10000121-1761668100-1761668100@www.trr352.de
SUMMARY:A multiplicative ergodic theorem for disordered quantum processes
DESCRIPTION:Repeated compositions of quantum channels arise naturally in many places across quantum: they arise\, for example\, in the transfer operator approach to quantum spin chains\, and also in the repeated interactions description of open quantum dynamics. Assuming the system of interest is subject to some amount of disorder\, it is therefore natural that one consider repeated compositions of random quantum channels\, i.e.\, quantum channels sampled from a stochastic process. Under a stationarity assumption\, such compositions fit well into the mathematical framework of Oseledets’s classical Multiplicative Ergodic Theorem (MET); in this talk\, I shall discuss my recent work refining the MET for repeated compositions of random bistochastic quantum channels\, and\, time-permitting\, I shall describe applications of this work to understanding entanglement breaking properties of such compositions.
URL:https://www.trr352.de/event/a-multiplicative-ergodic-theorem-for-disordered-quantum-processes/
LOCATION:Room 5608.03.011 (Seminarraum (M1/M7))\, Boltzmannstr. 3\, Garching b. München\, 85748\, Germany
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20251105T180000
DTEND;TZID=Europe/Berlin:20251105T180000
DTSTAMP:20260504T031331
CREATED:20251202T201456Z
LAST-MODIFIED:20251202T201456Z
UID:10000122-1762365600-1762365600@www.trr352.de
SUMMARY:Unified approach to Strichartz estimates for orthonormal functions
DESCRIPTION:
URL:https://www.trr352.de/event/unified-approach-to-strichartz-estimates-for-orthonormal-functions/
LOCATION:Room A 027\, Theresienstr. 37\, Munich\, 80333\, Germany
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20251119T161500
DTEND;TZID=Europe/Berlin:20251119T161500
DTSTAMP:20260504T031331
CREATED:20251202T201902Z
LAST-MODIFIED:20251202T201902Z
UID:10000124-1763568900-1763568900@www.trr352.de
SUMMARY:(Semi) Relativistic (Semi) Classical PDE (around) the Self-Consistent Pauli Equation
DESCRIPTION:We present the relativistic quantum physics model hierarchy from Dirac-Maxwell to Vlasov/Euler-Poisson that models fast moving charges and their self-consistent electro-magnetic field. Our main interest is (asymptotic) analysis of these nonlinear time-dependent PDE\, with focus on the Pauli-Poisswell/Darwin system which is the consistent model at first/second order in 1/c (c = speed of light) that keeps both relativistic effects “spin” and “magnetism”. Emphasis is on the (semi)classicial limit for vanishing Planck constant. We use both WKB methods and Wigner functions where we extend the 1993 results of P. L. Lions & Paul and Markowich & Mauser on the limit from Schrödinger-Poisson to Vlasov-Poisson\, with similar subtilities of pure quantum states vs mixed states. In the hope of taming the mathematical complications stemming from the magnetic field\, we are interested also in developing “quantum/semiclassical velocity averaging lemmata” building on the 1988 ideas of Golse\, Perthame\, Sentis and P.L.Lions. This talk aims to explain the models\, the new results & ideas of proofs/techniques\, as worked out in joint works mainly with Jakob Möller (X) and also Pierre Germain (ICL)\, Changhe Yang (Caltech)\, François Golse (X).
URL:https://www.trr352.de/event/semi-relativistic-semi-classical-pde-around-the-self-consistent-pauli-equation/
LOCATION:Room 5610.EG.011 (CIT Sitzungsraum 1)\, Boltzmannstr. 3\, Garching b. München\, 85748\, Germany
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260108T160000
DTEND;TZID=Europe/Berlin:20260108T160000
DTSTAMP:20260504T031331
CREATED:20260122T201802Z
LAST-MODIFIED:20260122T201808Z
UID:10000130-1767888000-1767888000@www.trr352.de
SUMMARY:Scattering Quantum Walks on Graphs
DESCRIPTION:We consider a class of Unitary Quantum Walks on arbitrary graphs\, parameterized by a family of scattering matrices. \nAfter explaining that these Scattering Quantum Walks encompass several known Quantum Walks\, we further introduce two classes of Scattering Open Quantum Walks on arbitrary graphs based on that construction\, whose asymptotic states we discuss.
URL:https://www.trr352.de/event/scattering-quantum-walks-on-graphs/
LOCATION:Room 5610.EG.011 (CIT Sitzungsraum 1)\, Boltzmannstr. 3\, Garching b. München\, 85748\, Germany
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260114T180000
DTEND;TZID=Europe/Berlin:20260114T180000
DTSTAMP:20260504T031331
CREATED:20260111T195018Z
LAST-MODIFIED:20260111T195018Z
UID:10000126-1768413600-1768413600@www.trr352.de
SUMMARY:Bound states of the Pauli operator in two dimensions - weak coupling asymptotics and CLR-type inequalities
DESCRIPTION:
URL:https://www.trr352.de/event/bound-states-of-the-pauli-operator-in-two-dimensions-weak-coupling-asymptotics-and-clr-type-inequalities/
LOCATION:Room A 027\, Theresienstr. 37\, Munich\, 80333\, Germany
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260122T180000
DTEND;TZID=Europe/Berlin:20260122T180000
DTSTAMP:20260504T031331
CREATED:20260122T202030Z
LAST-MODIFIED:20260122T202030Z
UID:10000131-1769104800-1769104800@www.trr352.de
SUMMARY:A Pohozaev identity for the Spectral Fractional Laplacian
DESCRIPTION:
URL:https://www.trr352.de/event/a-pohozaev-identity-for-the-spectral-fractional-laplacian/
LOCATION:Room A 027\, Theresienstr. 37\, Munich\, 80333\, Germany
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260122T190000
DTEND;TZID=Europe/Berlin:20260122T190000
DTSTAMP:20260504T031331
CREATED:20260122T202110Z
LAST-MODIFIED:20260122T202110Z
UID:10000132-1769108400-1769108400@www.trr352.de
SUMMARY:Semi-classical limit of a trapped dilute Fermi gas
DESCRIPTION:
URL:https://www.trr352.de/event/semi-classical-limit-of-a-trapped-dilute-fermi-gas/
LOCATION:Room A 027\, Theresienstr. 37\, Munich\, 80333\, Germany
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260421T161500
DTEND;TZID=Europe/Berlin:20260421T161500
DTSTAMP:20260504T031331
CREATED:20260426T152752Z
LAST-MODIFIED:20260426T152752Z
UID:10000137-1776788100-1776788100@www.trr352.de
SUMMARY:Rapid thermalization of lattice CSS codes
DESCRIPTION:Calderbank-Shor-Steane (CSS) codes\, such as the toric code\, are a widely studied class of quantum error-correcting codes. Understanding the thermalization time of these systems is important not only for error correction but also for applications like Gibbs sampling. \nWe show that CSS codes on a lattice satisfy a modified logarithmic Sobolev inequality and thus thermalize rapidly in any dimension at sufficiently high temperatures. For a special subclass\, including the toric code\, this rapid thermalization even holds at all positive temperatures. The central idea underlying our approach is to exploit the structure of CSS codes to decompose a quantity into two simpler\, (almost) classical components\, allowing us to apply tools from classical statistical mechanics to analyze the thermalization. In the last part I will show how this method generalizes to 2D Abelian quantum double models. \nThis is joint work with Ángela Capel\, Li Gao\, Angelo Lucia\, David Pérez-García\, Antonio Pérez-Hernández\, Cambyse Rouzé and Simone Warzel.
URL:https://www.trr352.de/event/rapid-thermalization-of-lattice-css-codes/
LOCATION:Room 5608.02.020 (Seminarraum (M11))\, Boltzmannstr. 3\, Garching b. München\, 85748\, Germany
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260422T160000
DTEND;TZID=Europe/Berlin:20260422T160000
DTSTAMP:20260504T031331
CREATED:20260423T201931Z
LAST-MODIFIED:20260423T201931Z
UID:10000136-1776873600-1776873600@www.trr352.de
SUMMARY:Extrapolation methods for Γ-convergence and applications to image processing
DESCRIPTION:
URL:https://www.trr352.de/event/extrapolation-methods-for-%ce%b3-convergence-and-applications-to-image-processing/
LOCATION:Room A 027\, Theresienstr. 37\, Munich\, 80333\, Germany
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260508T150000
DTEND;TZID=Europe/Berlin:20260508T150000
DTSTAMP:20260504T031331
CREATED:20260426T173058Z
LAST-MODIFIED:20260426T173125Z
UID:10000138-1778252400-1778252400@www.trr352.de
SUMMARY:Limit processes for KPZ models with flat initial conditions (Probability Colloquium Augsburg-Munich)
DESCRIPTION:We consider stochastic growth models in the Kardar-Parisi-Zhang universality class\, like the asymmetric simple exclusion process or the last passage percolation. We will give an overview of older and recent results on the limit process and its properties for KPZ growth models with flat initial conditions\, ranging from regularity\, decorrelation in space and time\, to the persistence probability of the limit processes.
URL:https://www.trr352.de/event/limit-processes-for-kpz-models-with-flat-initial-conditions-probability-colloquium-augsburg-munich/
LOCATION:University of Augsburg\, Room 2004 (L1)\, Universitätsstraße 14\, Augsburg\, 86159
CATEGORIES:Talks
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20260508T163000
DTEND;TZID=Europe/Berlin:20260508T163000
DTSTAMP:20260504T031331
CREATED:20260426T173257Z
LAST-MODIFIED:20260426T173257Z
UID:10000139-1778257800-1778257800@www.trr352.de
SUMMARY:Mixing times of liftings of the Totally Asymmetric Simple Exclusion Process (Probability Colloquium Augsburg-Munich)
DESCRIPTION:Under suitable assumptions\, a Markov chain will converge at large times to its stationary measure\, over a time scale known as the mixing time. Markov chains can then be used to approximately sample from a complex distribution\, which is the principle underlying Markov Chain Monte Carlo techniques. In this context\, there has been strong interest both in the physics and the mathematics literature in lifting Markov chains\, which is a way to modify an initial Markov chain so that that the lifted Markov chain converges faster to its stationary measure. We study a particle system which is both a lifting of the TASEP (Totally Asymmetric Simple Exclusion Process) and a periodic instance of self-repelling random walks. Using a graphical representation\, we identify a coupling time with some delay\, which allows us to study two notions of mixing times of the model. For the standard notion of mixing time\, we show that the model does not converge abruptly to stationarity\, whereas for a mixing time associated with an average of the distribution over the last few steps\, convergence to stationarity is abrupt\, which is known as the cutoff phenomenon.
URL:https://www.trr352.de/event/mixing-times-of-liftings-of-the-totally-asymmetric-simple-exclusion-process-probability-colloquium-augsburg-munich/
LOCATION:University of Augsburg\, Room 2004 (L1)\, Universitätsstraße 14\, Augsburg\, 86159
CATEGORIES:Talks
END:VEVENT
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