Analysis seminar

Date Speaker Title
2023-02-01, 2:30 pm Prof. Dr. Nataliia Goloshchapova (Sao Paulo)

Stability of standing waves for NLS equation on certain metric graphs

If you are interested in attending the talk, message Prof. Mugnolo.

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

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

If you are interested in attending the talk, message Prof. Mugnolo.

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

Isoperimetric inequalities for mixed Steklov eigenvalues on a surface

Link to the video

2022-12-14, 3:00 pm Prof. Dr. 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 Prof. Dr. 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 Jun.-Prof. Dr. Felix Pogorzelski (Universität Leipzig)

Hardy inequalities on graphs and some of their implications

2022-10-12, 4:30 pm Prof. Dr. 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 Prof. Dr. Omid Amini (CNRS, Paris)

Geometry of tropical curves and applications

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

On cospectral quantum graphs with Dirichlet conditions at pendant vertices

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

Nonlinear semigroups and $\Gamma$-convergence

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

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

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2022-05-02, 2:30 pm Dr. 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 Dr. 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

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

Global exact controllability of the bilinear Schrödinger equation on graphs

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2022-03-30, 4:00 pm Dr. 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 Prof. Dr. 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 Prof. Dr. Lorenzo Brasco (University of Ferrara)

Principal frequencies and inradius

Link to the video Slides (PDF 1 MB)

2022-02-09, 3:30 pm Dr. 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 Prof. Dr. Mostafa Sabri (Cairo University)

Spectral analysis of large quantum graphs

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

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

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

On the elastic flow of networks

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

The Total Variation Flow in Metric Graphs

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

On the discrete eigenvalues of Schrödinger operators with complex potentials

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

Sharp estimates for the Gaussian torsional rigidity with Robin boundary conditions

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

Quantum fluctuations and dynamics of a strongly coupled polaron

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

Subharmonic functions on graphs with positive spectrum

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

The topological Dirac equation of networks and simplicial complexes

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

Multigroup SIS type model with fixed time impulses

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

Transport distances and gradient flows on networks

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

Uniform maximum and anti-maximum principles

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

Convexity and its associated equation

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

The Kato property of sectorial forms

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2021-06-16, 3:00 pm Prof. Dr. 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

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

Remarks on the spectral gap of one-dimensional Schrödinger operators

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2021-05-26, 4:30 pm Dr. 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

Prof. Dr. Eszter Sikolya (ELTE Universität, Budapest)

Stochastic reaction-diffusion equations on networks

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

Sharp diameter bound on the spectral gap of quantum graphs

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

Shallow water equations in channel networks

Slides (PDF 1 MB)

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

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

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

On the quotient quantum graph with respect to the regular representation

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

On Pleijel's nodal domain theorem for quantum graphs

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

Lateral variation principle and extrema of dispersion relation of periodic graphs

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

Nonlinear Peridynamic Models

Slides (PDF 3 MB)

2021-03-10, 4:30 pm Dr. 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 Prof. Dr. Pedro Miana (University of Zaragoza)

Fundamental solutions for semidiscrete evolution equations via Banach algebras

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

The column-row property for complete Pick spaces

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

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

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

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

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

From Hardy to Rellich inequalities and Agmon estimates on graphs

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

Neumann heat kernel estimates for integral Ricci curvature conditions

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

A new uncertainty principle at low energies

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

Poincaré inequalities on graphs

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2021-02-18, 4:15 pm Prof. Dr. Yehuda Pinchover (Technion, Haifa)

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

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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 Dr. Andrea Serio (University of Stockholm)

On extremal eigenvalues of the graph Laplacian

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2021-02-10, 5:00 pm Prof. Dr. Enzo Vitillaro (University of Perugia)

The wave equation with acoustic boundary conditions

Link to the video Slides

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

Bethe-Sommerfeld conjecture: results old and new

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

Random Schrödinger Operators arising in the study of aperiodic media

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

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

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2021-01-13, 2:30 pm Prof. Dr. 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 Prof. Dr. 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 Prof. Dr. Can Zhang (Wuhan University)

Control and Observation for Parabolic Equations

Slides (PDF 313 KB)

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

Fractional Robin Problems in irregular domains

Link to the video

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

Persistence barcodes and Laplace eigenfunctions on surfaces

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

Steklov eigenvalues, sloping beaches and quantum graphs

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

The Hot Spots Problem on Graphs

Link to the video Slides

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

The essential numerical range for unbounded linear operators

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2020-10-28, 2:30 pm Dr. 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

Prof. Dr. 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

Prof. Dr. Ram Band
(Technion, Haifa)

Neumann domains on manifolds and graphs

Link to the video Slides

2020-09-30, 2:00 pm

Dr. Noema Nicolussi
(University of Vienna and École polytechnique)

Variations of canonical measures: Graphs and Riemann surfaces

2020-09-03, 2:00 pm

Jun.-Prof. Dr. Amru Hussein
(TU Kaiserslautern)

Hidden symmetries in non-self-adjoint graphs

Link to the video

2020-03-04, 2:30 pm

Prof. Dr. Kresimir Veselić
​​​​​​(FernUniversität in Hagen)

Higher-order estimates for selfadjoint eigenvalues

2020-02-20, 3:30 pm Dr. Markus Kunze
(University Konstanz)
Degenerated convergence of solutions of semilinear equations
2020-01-21, 3:00 pm Dr. Matthias Erbar
(University Bonn)
A variational characterisation of the Sine_β point process
2019-11-27, 4:30 pm Dr. 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

Jun.-Prof. Dr. Michael Hartz
(FernUniversität in Hagen, Lehrgebiet Analysis)

Finite-dimensional dilations

2019-09-17, 4:30 pm

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

2019-06-17, 5:00 pm

Dr. 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 Dr. Felix Schwenninger
(Universität Hamburg)
Constant(ly appearing) tricks
2018-09-18, 4:00 pm Dr. 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 Dr. Alessia Kogoj
(University Urbino, Italy)
Subelliptic Liouville theorems
2017-06-26, 2:30 pm Dr. James Kennedy
(University of Lisbon, Portugal)
Asymptotics of eigenvalues of Robin Laplacians
2017-05-17, 2:30 pm Dr. Federica Gregorio
(FernUniversität in Hagen, Lehrgebiet Analysis)
Fourth-order Schrödinger type operator with singular potentials
2016-05-03, 5:00 pm Dr. Amru Hussein
(TU Darmstadt)
Well-Posedness for the Primitive Equations for the Ocean and the Atmosphere
2015-01-15, 4:00 pm Dr. Hynek Kovarik
(University Brescia, Italien)
Improved Berezin-Li-Yau inequalities with magnetic field
2014-11-24, 3:00 pm Dr. Matthias Keller
(Friedrich-Schiller-University Jena)
Schrödinger operators on sparse graphs