Analysis seminar

This series of lectures is partially supported by the COST action Mathematical models for interacting dynamics on networks.

Date Speaker Title
2024-12-03, 1:30 pm Christian Rose (Universität Potsdam)

Gaussian upper heat kernel bounds and its characterizations on graphs

Slides

2024-11-21, 3:00 pm José Mazón (Universitat de Valencia)

Gelfand-Type problems in Random Walk Spaces

2024-07-24, 2:30 pm Sedef Özcan (Dokuz Eylül University, Izmir, Turkey)

Torsional Rigidity for the Laplacian on compact metric graphs with delta-Couplings

Link to the video

2024-07-17, 2:30 pm Burat Hikmet Özcan (Izmir Institute of Technology, Turkey)

Hardy-Littlewood Maximal Function: Structural Results and Regularity Properties

Link to the video

2024-07-09, 3:30 pm Catherine Drysdale (University of Birmingham, UK)

Computing Spectra of Infinite-dimensional operators - what do we need?

Link to the video

2024-07-02, 2:30 pm François Willot (Université PSL)

Homogenized metrics in planar, multiscale random sets

Link to the video

2024-06-24, 2:30 pm Asma Hassannezhad (Bristol)

Steklov eigenvalues of hyperbolic surfaces with geodesic boundary

Link to the video

2024-06-04, 2:30 pm Maria Bruna (Cambridge)

Lane formation and aggregation spots in foraging ants

Link to the video

2024-05-29, 2:30 pm Setenay Akduman (İzmir Democracy University)

Nonlinear Schrödinger Equation on Infinite Metric Graphs

Link to the video

2024-05-15, 2:30 pm Patricia Alonso Ruiz (Texas A&M)

Where could p-energies come from? On a quest to find them in Cheeger spaces

Link to the video

2024-05-02, 2:30 pm Luca Fanelli (Ikerbasque, Bilbao)

Scattering in the energy space for the 2D defocusing nonlinear Klein-Gordon equation with a magnetic field

Link to the video

2024-04-24, 3:30 pm Wolfgang König (TU Berlin)

Off-diagonal long-range order for the free Bose gas via the Feynman-Kac formula

Link to the video

2024-04-03, 4:00 pm Eva Kopfer (Universität Bonn)

Conformally Invariant Random Geometry on Manifolds of Even Dimension

Link to the video

2024-02-07, 3:00 pm Pavel Exner (Doppler Institute for Mathematical Physics and Applied Mathematics, Prague)

Effects of time-reversal non-invariance in quantum graphs

Link to the video

2024-01-31, 5:00 pm Maciej Zworski (University of California, Berkeley)

Mathematics of magic angles for twisted bilayer graphene

Link to the video

2024-01-26, 3:00 pm Semyon Dyatlov (Massachusetts Institute of Technology, Cambridge)

Semiclassical measures for quantum cat maps

Link to the video

2024-01-10, 3:00 pm Gabriel Rivière (Universität Nantes)

Orthospectrum of convex bodies and Poisson formulas

Link to the video

2023-11-29, 2:30 pm Ahmed Bou-Rabee (Courant Institute)

Unique continuation for discrete elliptic equations

Link to the video

2023-10-25, 2:30 pm Antoine Prouff (Paris Saclay University)

Observability of the Schrödinger equation with confining potential

Link to the video

2023-08-15, 5:00 pm James Kennedy (University of Lisbon)

New results on spectral minimal partitions of metric graphs

Link to the video Slides

2023-08-15, 4:00 pm Gilad Sofer (Technion, Haifa, Israel)

Spectral properties of quasiperiodic metric graphs

Link to the video

2023-08-15, 3:00 pm Vsevolod Chernyshev (National Research University, Moskau)

Dynamical system of moving points on metric graphs and related problems from analytic number theory

Link to the video

2023-07-05, 2:30 pm Kévin Le Balc'h (Paris Sorbonne Université)

Observability for Schrödinger equations posed on the whole plane

Link to the video

2023-06-28, 2:30 pm Tommaso Rossi (Universität Bonn)

First-order heat content asymptotics on RCD(K,N) spaces

Link to the video Slides

2023-06-21, 2:30 pm Francesco Tudisco (Gran Sasso Science Institute, Italy)

Nonlinear Perron-Frobenius theory for multi-homogeneous mappings and applications

Link to the video Slides

2023-05-31, 2:30 pm Mostafa Sabri (Cairo University)

Flat bands of periodic graphs

Link to the video

2023-05-24, 2:30 pm Lahcen Maniar (Cadi Ayyad University, Marrakesh)

Logaritmic convexity of semigroups and inverse problems of Ornstein-Uhlenbeck equations

Link to the video

2023-05-03 - 2023-05-04  

Workshop: Dirac equation between discrete and continuous: new trends and applications

Book of abstracts

2023-05-04, 6:20 pm

Daniel Parra (University of Santiago, Chile)

Continuum limit for a discrete Hodge-Dirac operator on square lattices

Link to the video

2023-05-04, 5:40 pm

Timoteo Carletti (University of Namur, Belgium)

Global Topological Synchronisation on Simplicial and Cell Complexes

Link to the video

2023-05-04, 5:00 pm

Alberto Richtsfeld (University of Potsdam, Germany)

Boundary Value Problems for Dirac Operators on Graphs

Link to the video

2023-05-04, 3:50 pm

Marjeta Kramar Fijavž (University of Ljubljana, Slovenia)

Dirac equation on metric graphs

Link to the video Slides

2023-05-04, 3:10 pm

Illia Karabash (University of Bonn, Germany)

M-boundary tuples and the description of m-dissipative boundary conditions for abstract wave equations

Link to the video

2023-05-04, 2:30 pm

Kelin Xia (Nanyang Technological University, Singapore)

Persistent Dirac model for molecular data analysis

Link to the video

2023-05-03, 6:20 pm

Hanne Van Den Bosch (University of Chile, Chile)

Boundary conditions for self-adjoint Dirac operators and applications to graphene

Link to the video

2023-05-03, 5:40 pm

Sergei Avdonin (University of Alaska Fairbanks, United States)

Inverse Problems for the Dirac equation on Metric Graphs

Link to the video

2023-05-03, 5:00 pm

Shahn Majid (Queen Mary University of London, UK)

Dirac operators built from quantum Riemannian geometries

Link to the video

2023-05-03, 3:50 pm

Lorenzo Tentarelli (Politecnico di Torino, Italy)

On the nonlinear Dirac equation on metric graphs

Link to the video

2023-05-03, 3:10 pm

Ginestra Bianconi (Queen Mary University of London, UK)

The Discrete Dirac operator and its associated field theory

Link to the video

2023-05-03, 2:30 pm

Olaf Post (University of Trier, Germany)

Some remarks on Dirac operators on graphs

Link to the video

2023-04-26, 3:00 pm Jon Harrison (Baylor University)

Quantizing graphs, one way or two?

Link to the video

2023-04-12, 3:00 pm Julien Royer (Université Paul Sabatier, Institut de Mathématiques de Toulouse)

Local energy decay for the wave and Schrödinger equations

Link to the video

2023-03-22, 2:30 pm Walton Green (Washington University, St. Louis)

Dominating Sets, Uncertainty Principle, and Geometric Control

Link to the video

2023-03-08, 2:30 pm Giulia Meglioli (Universität Bielefeld)

Uniqueness for elliptic equations on infinite graphs

Link to the video Slides

2023-03-01, 3:00 pm Zeev Rudnick (Tel-Aviv University)

Robin vs Neumann spectra for planar domains

Link to the video

2023-02-22, 2:30 pm Patrizio Bifulco (FernUniversität in Hagen)

Single and Attractive: Uniqueness and Stability of Economic Equilibria under Monotonicity Assumptions

Link to the video Slides

2023-02-01, 2:30 pm Nataliia Goloshchapova (Sao Paulo)

Stability of standing waves for NLS equation on certain metric graphs

Link to the video Slides

2023-01-25, 2:30 pm Aleksey Kostenko (Ljubljana)

Inverse spectral theory for strings and the conservative Camassa-Holm flow

Link to the video

2023-01-18, 2:30 pm Asma Hassannezhad (University of Bristol)

Isoperimetric inequalities for mixed Steklov eigenvalues on a surface

Link to the video

2022-12-14, 3:00 pm Ayman Kachmar (The Lebanese University in Beirut, Lebanon)

Quantum tunneling in deep potential wells and strong magnetic field revisited

Link to the video

2022-12-07, 2:30 pm Hanne Van Den Bosch (Santiago de Chile)

A Keller-Lieb-Thirring Inequality for Dirac operators

Link to the video

2022-10-26, 2:30 pm Felix Pogorzelski (Universität Leipzig)

Hardy inequalities on graphs and some of their implications

2022-10-12, 4:30 pm Jussi Behrndt (TU Graz)

Sharp boundary trace theory and Schrödinger operators on bounded Lipschitz domains

Link to the video Slides

2022-09-07, 3:30 pm Omid Amini (CNRS, Paris)

Geometry of tropical curves and applications

Link to the video Slides

2022-08-24, 2:30 pm Vyacheslav Pivovarchik (Odessa)

On cospectral quantum graphs with Dirichlet conditions at pendant vertices

Link to the video

2022-06-28, 2:30 pm Robert Denk (Universität Konstanz)

Nonlinear semigroups and $\Gamma$-convergence

Link to the video

2022-06-08, 3:30 pm Joachim von Below (Université du Littoral Côte d'Opale, Calais)

Travelling waves and fronts in reaction-diffusion equations on metric graphs

Link to the video Slides

2022-05-02, 2:30 pm Fabian Rupp (Universität Wien)

Li-Yau inequalites for the Helfrich functional

Link to the video Slides (PDF 797 KB)

2022-04-27, 2:00 pm Davide Bianchi (Harbin Institute of Technology, Shenzen, China)

Asymptotic spectra of large graphs with a uniform local structure

Link to the video Slides (PDF 812 KB)

2022-04-06, 3:30 pm Alexander Dicke (TU Dortmund)

Observability from sensor sets with decaying density

Link to the video

2022-04-06, 2:30 pm Alessandro Duca (Université Paris-Saclay)

Global exact controllability of the bilinear Schrödinger equation on graphs

Link to the video

2022-03-30, 4:00 pm Roberto Natalini (CNR Rom)

Mean field and macroscopic limits for hybrid model of cell motion

Link to the video Slides

2022-03-21, 3:30 pm Rico Zacher (Universität Ulm)

Li-Yau inequalities for general non-local diffusion equations via reduction to the heat kernel

Link to the video Slides (PDF 299 KB)

2022-02-23, 2:30 pm Lorenzo Brasco (University of Ferrara)

Principal frequencies and inradius

Link to the video Slides (PDF 1 MB)

2022-02-09, 3:30 pm Jan Meichsner (FernUniversität in Hagen)

Fractional powers of linear operators and
the Caffarelli-Silvestre extension

Link to the video

2022-02-02, 2:30 pm Mostafa Sabri (Cairo University)

Spectral analysis of large quantum graphs

Link to the video

2022-01-26 2:30 pm Olaf Post (Universität Trier)

Some recent results on graph perturbations and the effect on their spectrum

Link to the video

2022-01-19, 2:30 pm Anna Dall'Acqua (Universität Ulm)

On the elastic flow of networks

Link to the video

2021-12-15, 2:30 pm José Mazon (University of Valencia)

The Total Variation Flow in Metric Graphs

Link to the video

2021-12-01, 2:30 pm Sabine Bögli (Durham University)

On the discrete eigenvalues of Schrödinger operators with complex potentials

Link to the video

2021-11-24, 2:30 pm Nunzia Gavitone (University of Naples Federico II)

Sharp estimates for the Gaussian torsional rigidity with Robin boundary conditions

Link to the video

2021-11-10, 4:00 pm Robert Seiringer (IST Austria)

Quantum fluctuations and dynamics of a strongly coupled polaron

Link to the video

2021-10-27, 11:00 am Bobo Hua (Fudan University, Shanghai)

Subharmonic functions on graphs with positive spectrum

Link to the video

2021-10-13, 2:30 pm Ginestra Bianconi (Queen Mary University of London)

The topological Dirac equation of networks and simplicial complexes

Link to the video

2021-07-28, 2:30 pm Aleksandra Puchalska (Universität Warschau)

Multigroup SIS type model with fixed time impulses

Link to the video

2021-07-21, 2:30 pm Martin Burger (Friedrich-Alexander-Universität Erlangen-Nürnberg)

Transport distances and gradient flows on networks

Link to the video

2021-07-07, 2:30 pm Sahiba Arora (TU Dresden)

Uniform maximum and anti-maximum principles

Link to the video

2021-06-30, 2:30 pm Julio D. Rossi (Universidad de Buenos Aires)

Convexity and its associated equation

Link to the video

2021-06-16, 4:15 pm Ralph Chill (TU Dresden)

The Kato property of sectorial forms

Link to the video

2021-06-16, 3:00 pm Max von Renesse (Universität Leipzig)

Spectral gap estimates for Brownian motion on domains with sticky-reflecting boundary diffusion

2021-06-09, 2:30 pm Jeremy Martin (Institut de recherche mathématique de Rennes, France)

Geometric conditions for the controllability of free and harmonic Schrödinger equations

Link to the video

2021-06-02, 4:00 pm Joachim Kerner (FernUniversität in Hagen)

Remarks on the spectral gap of one-dimensional Schrödinger operators

Link to the video

2021-05-26, 4:30 pm Marcel Filoche (Ecole Polytechnique, Palaiseau)

The landscape of wave localization in complex or disordered systems

The talk is given as a part of the Mathematical Colloquium. Link to the video

2021-05-19, 2:30 pm

Eszter Sikolya (ELTE Universität, Budapest)

Stochastic reaction-diffusion equations on networks

Link to the video

2021-05-12, 4:00 pm Wesley Jones (Emory University)

Sharp diameter bound on the spectral gap of quantum graphs

Link to the video

2021-05-05, 2:30 pm Maya Briani (IAC - CNR, Rom)

Shallow water equations in channel networks

Slides (PDF 1 MB)

2021-04-28, 2:30 pm Michela Egidi (Ruhr-Uni Bochum)

Spectral inequalities and thick sets: an abstract Logvinenko-Sereda type theorem

Link to the video

2021-04-21, 2:30 pm Gökhan Mutlu (Gazi University)

On the quotient quantum graph with respect to the regular representation

Link to the video

2021-04-14, 2:30 pm Marvin Plümer (FernUniversität in Hagen)

On Pleijel's nodal domain theorem for quantum graphs

Link to the video

2021-03-24, 5:00 pm Gregory Berkolaiko (Texas A&M University)

Lateral variation principle and extrema of dispersion relation of periodic graphs

Link to the video

2021-03-17, 2:30 pm Giuseppe Coclite (University of Bari)

Nonlinear Peridynamic Models

Slides (PDF 3 MB)

2021-03-10, 4:30 pm Mahmood Ettehad (University of Minnesota)

Three Dimensional Elastic Frames: Rigid Joint Conditions In Variational And Differential Formulation

Link to the video Slides

2021-03-03, 1:30 pm Pedro Miana (University of Zaragoza)

Fundamental solutions for semidiscrete evolution equations via Banach algebras

Link to the video Slides

2021-02-24, 2:30 pm Michael Hartz (Universität des Saarlandes)

The column-row property for complete Pick spaces

Link to the video

2021-02-17, 2:30 pm Ernesto Estrada (University of Zaragoza)

Hubs-biased Laplacian operators and hubs-biased dynamics on graphs/networks

Link to the video

2021-02-17, 3:30 pm Gissell Estrada-Rodriguez (Pierre and Marie Curie University)

Metaplex networks: influence of the exo-endo structure of complex systems on diffusion

Link to the video

2021-02-17, 4:15 pm Matthias Keller (Universität Potsdam)

From Hardy to Rellich inequalities and Agmon estimates on graphs

Link to the video

2021-02-17, 5:15 pm Christian Rose (Universität Potsdam)

Neumann heat kernel estimates for integral Ricci curvature conditions

Link to the video

2021-02-18, 2:30 pm Peter Stollmann (Universität Chemnitz)

A new uncertainty principle at low energies

Link to the video
2021-02-18, 3:30 pm Marcel Schmidt (Universität Jena/Leipzig)

Poincaré inequalities on graphs

Link to the video
2021-02-18, 4:15 pm Yehuda Pinchover (Technion, Haifa)

On the equivalence of heat kernels of second-order parabolic operators

Link to the video
2021-02-18, 5:15 pm Matthias Hofmann (University of Lisbon)

An existence theory for nonlinear equations on metric graphs via energy methods

Link to the video
2021-02-18, 6:00 pm Andrea Serio (University of Stockholm)

On extremal eigenvalues of the graph Laplacian

Link to the video
2021-02-10, 5:00 pm Enzo Vitillaro (University of Perugia)

The wave equation with acoustic boundary conditions

Link to the video Slides

2021-02-03, 3:00 pm Leonid Parnovski (University College London)

Bethe-Sommerfeld conjecture: results old and new

2021-01-27, 3:00 pm Constanza Rojas-Molina (Université de Cergy-Pointoise, Paris)

Random Schrödinger Operators arising in the study of aperiodic media

Link to the video

2021-01-20, 2:30 pm Andrea Pinamonti (University of Trento)

$\Gamma$-convergence and $H$-convergence for functionals and operators depending on vector fields

Link to the video

2021-01-13, 2:30 pm Valter Moretti (University of Trento)

An operational construction of the sum of two non-commuting observables in quantum theory and related constructions

Link to the video Article presented in the talk

2020-12-16, 2:00 pm Jeremy Marzuola (University of North Carolina at Chapel Hill)

Edge localized states on quantum graphs in the limit of large mass

2020-12-02, 10:00 am Can Zhang (Wuhan University)

Control and Observation for Parabolic Equations

Slides (PDF 313 KB)

2020-11-23, 2:30 pm Maria Rosaria Lancia (University of Rome - Sapienza)

Fractional Robin Problems in irregular domains

Link to the video

2020-11-18, 3:00 pm Leonid Polterovich (University of Tel Aviv)

Persistence barcodes and Laplace eigenfunctions on surfaces

2020-11-18, 4:00 pm Iosif Polterovich (University of Montreal)

Steklov eigenvalues, sloping beaches and quantum graphs

2020-11-10, 3:00 pm Stefan Steinerberger (University of Washington)

The Hot Spots Problem on Graphs

Link to the video Slides

2020-11-04, 2:30 pm Marco Marletta (Cardiff University)

The essential numerical range for unbounded linear operators

Link to the video

2020-10-28, 2:30 pm Matthias Täufer (FernUniversität in Hagen)

A robust initial scale estimate and localization at band edges of the continuum Anderson model

Link to the video

2020-10-21, 2:30 pm

Liviu Ignat
​​​​("Simion Stoilow" Institute of Mathematics of the Romanian Academy)

Asymptotic behavior of solutions for some local and nonlocal diffusion problems on metric graphs

2020-10-07, 2:30 pm

Ram Band
(Technion, Haifa)

Neumann domains on manifolds and graphs

Link to the video Slides

2020-09-30, 2:00 pm

Noema Nicolussi
(University of Vienna and École polytechnique)

Variations of canonical measures: Graphs and Riemann surfaces

2020-09-03, 2:00 pm

Amru Hussein
(TU Kaiserslautern)

Hidden symmetries in non-self-adjoint graphs

Link to the video

2020-03-04, 2:30 pm

Kresimir Veselić
​​​​​​(FernUniversität in Hagen)

Higher-order estimates for selfadjoint eigenvalues

2020-02-20, 3:30 pm Markus Kunze
(University Konstanz)
Degenerated convergence of solutions of semilinear equations
2020-01-21, 3:00 pm Matthias Erbar
(University Bonn)
A variational characterisation of the Sine_β point process
2019-11-27, 4:30 pm Federica Gregorio
​​​​​​(University of Salerno, Italy)
Some results on second-order elliptic operators with polynomially growing coefficients in L^p-spaces
2019-11-27, 3:00 pm Simon Becker
(University of Cambridge, England)

Dynamical delocalization for discrete Schrödinger operators

2019-10-16, 2:00 pm Marvin Plümer
(FernUniversität in Hagen, Lehrgebiet Analysis)
Eigenvalue bounds for the Laplacian on embedded metric graphs
2019-10-02, 3:00 pm

Michael Hartz
(FernUniversität in Hagen, Lehrgebiet Analysis)

Finite-dimensional dilations

2019-09-17, 4:30 pm

Lahcen Maniar
(Cadi Ayyad University, Marrakesh, Morocco)
Parabolic equations with dynamic boundary conditions: wellposedness and maximal regularity

2019-06-17, 5:00 pm

James Kennedy
(University of Lisbon, Portugal)
The Eigenvalues of the Robin Laplace operator with complex parameters
2018-12-12, 2:30 pm Marvin Plümer
(FernUniversität in Hagen, Lehrgebiet Analysis)
An eigenvalue bound for the Kirchhoff-Laplacian on planar quantum graphs
2018-11-29, 4:00 pm Felix Schwenninger
(Universität Hamburg)
Constant(ly appearing) tricks
2018-09-18, 4:00 pm Marcel Schmidt
(University Jena)
On the uniqueness class, stochastic completeness and volume growth for graphs
2018-08-28, 4:00 pm Noema Nicolussi
(University of Vienna, Austria)
Spectral Estimates for Infinite Quantum Graphs
2018-03-07, 4:30 pm Alessia Kogoj
(University Urbino, Italy)
Subelliptic Liouville theorems
2017-06-26, 2:30 pm James Kennedy
(University of Lisbon, Portugal)
Asymptotics of eigenvalues of Robin Laplacians
2017-05-17, 2:30 pm Federica Gregorio
(FernUniversität in Hagen, Lehrgebiet Analysis)
Fourth-order Schrödinger type operator with singular potentials
2016-05-03, 5:00 pm Amru Hussein
(TU Darmstadt)
Well-Posedness for the Primitive Equations for the Ocean and the Atmosphere
2015-01-15, 4:00 pm Hynek Kovarik
(University Brescia, Italien)
Improved Berezin-Li-Yau inequalities with magnetic field
2014-11-24, 3:00 pm Matthias Keller
(Friedrich-Schiller-University Jena)
Schrödinger operators on sparse graphs
09.12.2024