Talks and Visits

INVITED TALKS


2024



  • Stability Theorems for port-Hamiltonian operators
    Seminar Analysis for Nonlinear Partial Differential Equations, Instituto de Matemática e Computação, Universidade Federal De Itajubá, Brazil, November 2024
  • Revisiting the weak operator topology in the light of homogenisation
    8th Croatian Mathematical Congress, Osijek, Croatia, July 2024
  • Index theorems for the Dirac operator
    Colloquium, FAU Erlangen-Nürnberg, Erlangen, Germany, May 2024
  • Evolutionäre Gleichungen und Systemtheorie
    Elgersburg Workshop, Ilmenau, Germany, February 2024
  • A Hilbert space approach to state-dependent delay differential equations
    Ohio State University, Ohio, USA, February 2024
  • A Hilbert space approach to state-dependent delay differential equations
    N-cities Seminar, TU Dresden, Dresden, January 2024

2023

  • Evolutionary Equations with Maximal Regularity
    Plenary Talk at BIRS, Banff, Canada, April 2023
  • Holomorphic G-convergence
    J.J. Strossmayer University of Osijek, Osijek, Croatia, January 2023

2022

  • Sign-indefinite divergence form problems in multi-d
    Ohio State University, Ohio, US, December, 2022
  • Laminated Metamaterials
    ESI Vienna, Austria, November, 2022
  • Nonlocal H-convergence for topologically nontrivial domains
    Oberseminar Analysis, TU Dresden, Dresden, Germany, May 2022

2020

  • Local and nonlocal homogenisation problems for Maxwell`s equations and beyond
    Oberseminar, Martin-Luther Universität Halle-Wittenberg, Halle, Germany, November 2020
  • Non-autonomous maximal regularity for evolutionary equations
    Cardiff Analysis & PDE Seminar, Wales, UK, November 2020
  • Dynamic homogenisation problems of highly oscillatory type
    University College London, England, UK, October 2020
  • Homogenisierungstheorie in Physik und im Ingenieurwesen 
    Bauhaus Universität Weimar, Germany, July 2020
  • Homogenisation in Physics and Engineering 
    FAU Erlangen, Germany, July 2020
  • Functional Analytic Methods for Equations in Mathematical Physics 
    TU Freiberg, Germany, March 2020

2019

  • Homogenisierungstheorie in Physik und im Ingenieurwesen 
    U Rostock, Germany, December 2019
  • Mathematische Homogenisierungstheorie und deren Anwendung 
    TU Chemnitz, Germany, December 2019
  • Evolutionary Equations: Variety, Well-posedness and Numerics 
    Mathematisches Kolloquium, TU Clausthal, Germany, November 2019
  • Two-scale convergence for evolutionary equations 
    Institut für Mathematik, TU Hamburg-Harburg, Germany, November 2019
  • Homogenisation theory for curl-div systems 
    Mathematisches Seminar, CAU Kiel, Germany, November 2019
  • Highly oscillatory mixed type problems 
    Functional Analysis Seminar, University of Oxford, England, UK, October 2019
  • Operatortheoretische Methoden in der Homgenisierungstheorie 
    Katholische Universität Eichstätt-Ingolstadt, Germany, July 2019
  • Operator-theoretic methods in Homogenisation Theory 
    TU Chemnitz, Germany, June 2019
  • Homogenisation Theory in Physics and Engineering 
    TU Bergakademie Freiberg, Germany, April 2019

2018

  • Nonlocal H-convergence 
    Mini-Workshop: Mathematical and Numerical Analysis of Maxwell's Equations, Oberwolfach, Germany, December 2018
  • Boundary systems and applications to infinite networks without strictly positive lower bound for the edge lengths 
    Oberseminar Analysis, TU Dresden, Germany, December 2018
  • An operator-theoretic description of H-convergence 
    PAN Seminar, University of Kent, Canterbury, England, UK, December 2018
  • Nonlocal H-convergence 
    Recent advances in homogenisation theory, University of Durham, England, UK, June 2018
  • On a theory for nonlocal homogenisation problems 
    Analysis Seminar, Baylor University, Waco, Texas, USA, May 2018
  • Nonlocal H-convergence 
    Oberseminar Analysis, TU Dresden, Germany, April 2018
  • Fibre Homogenisation for n-dimensional systems of partial differential equations 
    Analysis Seminar, Heriot-Watt University Edinburgh, Scotland, February 2018

2017

  • Homogenisation and continuous dependence of solutions of pdes on the coefficients 
    Applied Mathematics Seminar, University of Durham, England, October 2017
  • A Functional Analytic Perspective to the div-curl Lemma
    Seminar Scientific Computing, TU Dresden, Germany, May 2017
  • On partial differential equations involving time and their coefficients
    Colloquium, University of Auckland, New Zealand, Ferburary 2017

2016

  • On the coefficients in evolutionary equations
    Colloquium, Strathclyde University, Glasgow, Scotland, September 2016
  • On the continuous dependence of evolutionary equations on the coefficients 
    Seminar Analysis, Universität Konstanz, Germany, June 2016
  • Evolutionäre Gleichungen und die stetige Abhängigkeit von den Koeffizienten 
    TU Braunschweig, Germany, June 2016
  • Homogenization and fractional elasticity 
    SIAM Mathematical Aspects of Material Sciences MS16, Minisompysium "Modern Aspects of Homogenization", Philadelphia, May 2016
  • The Callias Index Formula Revisited 
    Oberseminar Analysis, Universität Duisburg-Essen, Germany, February 2016

2015

  • An invariance principle for the Callias index formula 
    Oberseminar Analysis, TU Dresden, Germany, December 2015
  • On non-autonomous equations 
    Colloquium, University of Missouri, Columbia, MO, USA, April 2015
  • An operator-theoretic perspective to homogenization. 
    University of Bath, England, United Kingdom, March 2015
  • On the Well-posedness of Non-Autonomous Integro-Differential-Algebraic Evolutionary Problems 
    Centre for Advanced Study, Oslo, Norway, January 2015
  • The Callias Index Theorem Revisited 
    Universität Jena, January 2015

2014

  • Homogenization meets Operator Theory 
    TU Hamburg-Harburg, November 2014
  • Homogenization of a class of autonomous linear partial differential equations. Part II 
    DE-Seminar, University of Missouri, Columbia, MO, USA, April 2014
  • Homogenization of a class of autonomous linear partial differential equations. Part I 
    DE-Seminar, University of Missouri, Columbia, MO, USA, April 2014
  • Über nicht-autonome, degenerierte Gleichungen 
    3-Städte-Seminar, Universität Leipzig, January 2014

2013

  • Über die stetige Abhängigkeit von Lösungen von Differentialgleichungen von den Koeffizienten 
    TU Chemnitz, Germany, October 2013
  • On Non-Autonomous Evolutionary Problems 
    TU Darmstadt, May 2013
  • On the structure of electrodynamical multiphysics problems 
    Modeling, Analysis and Simulation of Optical Modes in Photonic Devices, MASOMO 2013, WIAS, Berlin, April 2013
  • Operator theoretic aspects in homogenization of evolutionary equations 
    Laboratoire Jacques-Louis Lions, UPMC, Paris VI, January 2013

2012

  • Homogenization in Fractional Thermoelasticity 
    Walkshop Mathematische Physik und Partielle Differentialgleichungen, Hamburg, October 2012
  • An operator-theoretic perspective to homogenization 
    Strathclyde University Glasgow, Scotland, September 2012

2011

  • A Hilbert Space Approach to Homogenization 
    Max Planck Institut für Mathematik in den Naturwissenschaften, Leipzig, Germany, May 2011


CONTRIBUTED TALKS


2024

  • Homogenisation of ill-posed problems in divergence form
    Asymptotics 2024, Freiberg, Germany, June 2024

2023

  • G-compactness for Evolutionary Equations
    PDE Days, Freiberg, Germany, April 2023

2022

  • Exponential Stability for port-Hamiltonian Systems
    Workshop on Systems Theory and PDEs (WOSTAP), Freiberg, Germany, July 2022
  • Nonlocal H-convergence on topologically nontrivial domains
    Analysis, PDEs and Applications, Dubrovnik, Croatia, June 2022

2021

  • Homogenisation in electro- and magnetostatics
    ISAAC, Ghent, Belgium, July 2021

2020

  • Index Theorems for Differential Operators of Mixed Order 
    Pitsidia, Greece, Germany, October 2020
  • Index Theorems for Differential Operators of Mixed Order 
    DMV-Tagung, Chemnitz, Germany, September 2020

2019

  • Quantitative aspects in homogenisation problems in IR^d 
    ISAAC 12, Aveiro, Portugal, July 2019
  • The Dirichlet-to-Neumann operator on rough domains
    IWOTA, Lisbon, Portugal, July 2019
  • Maximal Regularity of Evolutionary Equations
    AANMPDE 12, Strobl, Austria, July 2019

2018

  • Homogenisation of Maxwell's equations revisited
    AANMPDE 11, Jyvaskyla, Finland, August 2018
  • Numerics and perturbation analysis for some mixed type problems
    BAIL Glasgow, Scotland, UK, June 2018
  • On operator-norm convergence in time-dependent homogenisation problems
    GAMM Munich, Germany, March 2018

2017

  • A Functional Analytic Perspective to the div-curl Lemma 
    AANMPDE 10, Paleochora, Crete, Greece, October 2017
  • Fibre Homogenisation 
    IWOTA, TU Chemnitz, Chemnitz, August 2017
  • Stochastic Evolutionary Equations 
    Workshop of the GAMM Activity Group Applied Operator Theory, TU Hamburg-Harburg, Hamburg, May 2017
  • On the well-posedness of evolutionary problems with non-local and non-autonomous coefficients 
    Workshop Applied Analysis of Operators, PDE, and Functionals, Merida, Mexico, April 2017
  • Resolvent estimates in the homogenization of one-dimensional viscoelasticity 
    GAMM Weimar, Germany, March 2017

2016

  • Stabilization via Homogenization 
    OTIND Vienna, Austria, December 2016
  • On the coefficients in evolutionary equations
    Analysis and Numerics of Acoustic and Electromagnetic Problems, RICAM Linz, Austria, October 2016
  • On the Eddy Current Approximation for Non-Autonomous Maxwell's Equations 
    AANMPDE(JS)-9-16, Strobl, Austria, July 2016
  • G-convergence and the weak operator topology 
    DMV-GAMM, TU Braunschweig, Germany, March 2016

2015

  • On the resolvent regularization by Witten 
    4th Najman Conference on Spectral Problems for Operators and Matrices, Opatija, Croatia, September 2015
  • On the continuous dependence of the coefficients in Maxwell's equations 
    AANMPDE, Jyvaskyla, Finland, August 2015
  • On the trace class property of the resolvent regularization of a Dirac-type operator on IR^3 
    GAMM, Lecce, Italy, March 2015

2014

  • How does the solution of the time-dependent Schrödinger equation depend on the potential? 
    International Workshop on Operator Theory and Applications, Amsterdam, The Netherlands, July 2014
  • On causality in reflexive Banach spaces 
    GAMM, Universtät Erlangen-Nuremberg, Germany, March 2014

2013

  • On Non-Autonomous Evolutionary Problems 
    Operator Semigroups meet Complex Analysis, Harmonic Analysis and Mathematical Physics, Herrnhut, Germany, June 2013
  • G-convergence of linear differential equations 
    Encounters Between Discrete and Continuous Mathematics, Budapest, Hungary, May 2013
  • Homogenization in fractional elasticity 
    GAMM, Novi Sad, March 2013

2012

2011

2010

  • Calculating adjoints of operators on infinite graphs 
    International Workshop on Operator Theory and Applications, Berlin, June 2010 (
    IWOTA-Proc. )


RESEARCH VISITS


  • 01/2023 University of Osijek, Croatia (short term; K Burazin, M Erceg)
  • 04/2019 TU Graz, Austria (J Behrndt)
  • 05/2018 Baylor University, Waco, TX, USA (F Gesztesy)
  • 01/2017 - 03/2017 University of Auckland, New Zealand (AFM ter Elst, FM Schneider)
  • 10/2016 RICAM, Linz, Austria (D Pauly)
  • 04/2015 University of Missouri, Columbia, MO, USA (F Gesztesy)
  • 01/2015 Centre for Advanced Study, Oslo, Norway (short term, A Suess)
  • 11/2014 Universität Hamburg-Harburg, Hamburg, Germany (short term, C Seifert)
  • 04/2014 University of Missouri, Columbia, MO, USA (F Gesztesy)


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