Dr. Vladimir Lotoreichik

Past

7-10 July 2025
Invited talk at the workshop "Singular Interactions and Effective Models in Mathematical Physics", Como, Italy.
Title: Convergence of Schrödinger operators on domains with scaled resonant potentials.

3-6 June 2025
Invited talk at the workshop "Recent advances in operator theory and its applications", Milano, Italy.
Title: Convergence of Schrödinger operators on domains with scaled resonant potentials.

22 May 2025
Talk at the seminar on Mathematical Physics at University of Hradec Kralove.
Title: Convergence of Schrödinger operators on domains with scaled resonant potentials.

21-26 Apr 2025
Research stay at University of Angers, France. Collaboration with Nicolas Raymond.

24-28 Feb 2025
Invited talk at mini-symposium "Spectral Theory and Applications" at the Conference on Mathematics of Wave Phenomena 2025, Karlsruhe, Germany, with the title "Magnetic Neumann Laplacian on a planar exterior domain in the weak field limit"

16 Jan 2025
Talk at the main NPI CAS seminar: "Asymptotic analysis of Dirac operators on thin domains and with small inclusions"

9 Oct 2024
Talk at CTU seminar: "Shape optimization in mathematical physics"

23-27 Sep 2024
Invited talk at the conference "Aspect'24 Asymptotic Analysis & Spectral Theory", Metz, France. The title is "Magnetic Neumann Laplacian on a planar exterior domain"

15-19 Jul 2024
Invited talk in a mini-symposium "Spectral theory of differential operators in mathematical physics" at European Congress of Mathematics, Seville, Spain, with the title "Homogenization of the Dirac operators with position-dependent mass".

1-6 Jul 2024
Contributed talk at International Congress in Mathematical Physics, Strasbourg, France, with the title "Spectral asymptotics of the Dirac operator on a thin shell" in the session "Quantum Mechanics and Spectral Theory".

23-24 Jun 2024
Participation in Students Scientific Conference, Decin, Czech Republic.

17-21 Jun 2024
Research stay at Stockholm University. Collaboration with Jonathan Rohleder.

4 Jun 2024
Lecture for high school students: "Shape optimization in mathematical physics"

10-15 Jun 2024
Thomas Ourmieres-Bonafos is visiting me. We collaborate on Dirac operators.

19 Mar 2024
Talk at the Quantum Circle Seminar, Prague, with the title "Geometric bounds on the lowest magnetic Neumann and Robin eigenvalues".

15-19 Jan 2024
I was an invited speaker at the CIRM workshop "Spectral Analysis for Quantum Hamiltonians", Marseille, France. The title of my talk was "Isoperimetric inequality for the two-dimensional magnetic Robin Laplacian".

5-8 Dec 2024
I visited Andrii Khrabustovskyi at the University of Hradec Kralove and gave a seminar talk "Spectral asymptotics of the Dirac operator on a thin shell".

27-29 Nov 2023
I was an invited speaker at the workshop "Three days on Shape Optimization and PDEs", Naples, Italy. The title of my talk was "Optimization of the second Robin eigenvalue on a planar exterior domain".

6-19 Nov 2023
I visited Markus Holzmann at Graz University of Technology and gave a seminar talk "Spectral asymptotics of the Dirac operator on a thin shell".

31 Oct 2023
Talk at the seminar of the Institute of Theoretical Physics at Mathematics and Physics Faculty of Charles University with the title "Optimization of eigenvalues for differential operators with surface interactions".

27 Oct 2023
Lecture at the seminar for students on contemporary mathematics at Czech Technical University with the title "Selected topics in spectral geometry".

18-23 Sep 2023
I was a plenary speaker at the 7th Najman Conference on Spectral Theory and Differential Equations, Brijuni, Croatia. The title of my talk was "Optimization of the second Robin eigenvalue on a planar exterior domain".

28-31 Aug 2023
Biagio Cassano, Albert Mas, Matej Tusek, and myself organized Special Session on Spectral Theory as a part of the annual conference Analytic and Algebraic Methods in Physics XX (Prague).

20-25 Aug 2023
I attended the workshop "Geometric Spectral Theory" at Oberwolfach and gave a talk entitled Quasi-conical domains with embedded eigenvalues.

31 Jul-4 Aug 2023
I gave a talk with the title Spectral asymptotics of the Dirac operator on a thin shell at the International Workshop on Operator Theory (IWOTA-2023) in Helsinki.

17 Mar 2023
I gave a talk with the title Optimization of eigenvalues for differential operators with surface interactions at the seminar of the Department of Theoretical Physics at NPI CAS.

2 Mar 2023
I gave a talk with the title Bound states of weakly deformed soft waveguides at the Mathematical Physics Seminar at University of Hradec Kralove.

13-17 Feb 2023
I was invited by Olaf Post for a research stay at Trier University, Germany.

9-13 Jan 2023
I participated in the program "The analysis of relativistic quantum systems", CIRM, Marseille, France.

19-22 Dec 2022
I gave a talk at the conference "Challenges in Spectral Theory of Differential Operators", Graz, Austria.

4-9 Dec 2022
Ayman Kachmar visited our group. We collaborate on magnetic Laplacians.

2 Dec 2022
I gave a talk at the seminar on contemporary mathematics for students.

21-23 Nov 2022
I was invited to give a talk at the workshop on Singular Perturbations and Geometric Structures, Trieste, Italy.

26-30 Sep 2022
I gave a talk at the workshop Aspect'22, Oldenburg, Germany, with the title Isoperimetric inequality for the two-dimensional magnetic Robin Laplacian

19-21 May 2022
I gave a talk at GAMM activity group meeting in Stockholm with the title Self-adjointness for the MIT bag model on a cone.

1 Mar 2022
I gave a talk at the Quantum Circle seminar, Prague, with the title Isoperimetric inequality for the two-dimensional magnetic Robin Laplacian.

6 Dec 2021 - 10 Dec 2021
Research stay at the Aix-Marseille University. Invited by Thomas Ourmieres-Bonafos to collaborate on spectral analysis of Dirac operators.

25 Nov - 29 Nov 2021
Markus Holzmann visited our group. We collaborate on Dirac operators with singular interactions.

9 Nov 2021
A talk at the seminar on contemporary mathematics for students (SSM), CVUT, Prague, Czech Republic. The title of the talk "Isoperimetric inequalities for the Robin Laplacian".

20 Sep - 22 Sep 2021
I gave an invited talk at the online conference "Mathematical Challenge of Quantum Transport in Nanosystems", St. Petersburg, Russia.

15 Jun - 18 Jun 2021
Students Scientific Conference (SVK), Vyssi Brod, Czech Republic. Oral contribution: "Szego-type inequality for the 2-D Dirac operator with infinite mass boundary conditions".

29 Mar - 1 Apr 2021
I have attended online school "Shape Optimization, Spectral Geometry and Calculus of Variations", Marseille, France.

5 Feb 2021
I gave a talk entitlted "Optimization of lowest Robin eigenvalues on 2-manifolds and unbounded cones" at online conference "Mathematical aspects of the physics with non-self-adjoint operators", Marseille, France.

4 Feb 2021
I gave a talk entitlted "Optimization of lowest Robin eigenvalues on 2-manifolds, exterior domains, and unbounded cones" at online seminar of CAMS Thematic Program in Mathematical Physics, Beirut, Lebanon.

8 Dec 2020
I gave a talk entitlted "Szegö-type inequality for the 2-D Dirac operator with infinite mass boundary conditions" at online Quantum Circle seminar.

2-3 Sep 2020
I coorganized VA²MP mini-conference. A small mixed online-offline meeting of mathematical physicists, Prague, Czech Republic.

19 Dec - 22 Dec 2019
I participated in the conference Operator Theory and Krein Spaces , Vienna, Austria.

2 Dec - 3 Dec 2019
I participated in the workshop Trending topics in spectral theory, Marseille, France.

18 Nov - 22 Nov 2019
I was invited by Magda Khalile for a research stay at Leibniz University Hannover.

10 Sep - 13 Sep 2019
I was involved in organizing the AAMP mini-conference, Prague, Czech Republic.

17 Jun - 21 Jun 2019
I was involved in organizing the AIM workshop Shape optimization with surface interactions, San-Jose, Califronia.

8 Apr - 9 Apr 2019
I was invited to give a talk at the workshop Analysis and applications. Contributions from young researchers, Turin, Italy.

25 Feb - 1 Mar 2019
I have participated in the conference Differential operators on graphs and waveguides, Graz, Austria.

3 Feb - 7 Feb 2019
I have attended the special session on Dirac operators in the frame of congress organized by Spanish Mathematical Society, Santander, Spain.

13 Jan - 27 Jan 2019
I attended the program ``Spectral Methods in Mathematical Physics'' at Institute Mittag-Leffler (Sweden).

8 Jan 2019
I gave a talk entitled Spectral gap for convex graphene quantum dots at the seminar Quantum Circle< (Prague).

10 Dec 2018
I was invited to give an introductory lecture at the Seminar on Contemporary Mathematics (SSM) for undegraduate students, Czech Technical University, Prague.

18 Nov - 24 Nov 2018
I was invited by Jussi Behrndt to visit him and his group at Graz University of Technology.

11 Nov - 16 Nov 2018
Anastasia Vikulova (Moscow State University) visited our group at Czech Technical University.

14 Oct - 27 Oct 2018
I visited Konstantin Pankrashkin at University Paris-Sud.

23 Sep - 29 Sep 2018
I was invited by Nunzia Gavitone and Leonardo Trani to visit them at University of Naples Federico II.

10 Sep - 13 Sep 2018
I was involved in organizing the Doppler Institute mini-conference Analytic and Algebraic Methods in Physics XV at Czech Technical University in Prague.

9 Jul - 13 Jul 2018
I attended the workshop Mathematical Challenges of Zero-Range Physics: rigorous results and open problems at I.N.d.A.M (Rome, Italy).

14 May - 18 May 2018
I attended the workshop Eigenvalues and Inequalities at Institut Mittag-Leffler (Sweden).

16 Apr - 27 Apr 2018
I visited the group of Jussi Behrndt at Graz University of Technology. We collaborate on magnetic Schrödinger operators with δ-interactions. I gave a talk on 19.04.

04 Mar - 04 Apr 2018
I visited the group of K. Pankrashkin at University Paris-Sud. We worked on Robin Laplacians & MIT-Dirac operators. I gave a talk on 12.03 at Institute Henri Poincaré.

12 Feb - 16 Feb 2018
Thomas Ourmières-Bonafos visited our group in Prague. We collaborate on Dirac operators with surface interactions.

5 Dec 2017
I gave a talk at Ostrava Seminar on Mathematical Physics, entitled "Spectral optimization for the Robin Laplacian on exterior domains".

13 Nov - 26 Nov 2017
I was at CIRM Trento for Research-in-Pairs program. We collaborate with A. Michelangeli on spectral optimization for point interactions.

25 Oct 2017
I gave a talk at faculty colloquium of FNSPE, CVUT, Prague.

25 Sep - 29 Sep 2017
I attended the conference Aspect17: Asymptotic analysis and spectral theory, Trier, Germany.

10 Sep - 15 Sep 2017
I participated in the 5th Najman Conference on Spectral Theory and Differential Equations, Opatija, Croatia.

5 Jun - 9 Jun 2017
I attended the CIRM conference Mathematical aspects of the physics with non-self-adjoint operators, Marseille, France. The title of my talk was "Non-self-adjoint waveguides with Robin boundary conditions".

19 May - 20 May 2017
I participated in the workshop of the GAMM Activity Group Applied Operator Theory, Hamburg, Germany. The title of my talk was Eigenvalue inequalities for the Laplacian with mixed boundary conditions.

9 May - 11 May 2017
I participated in the conference Chaos, and what it can reveal, Hradec Kralove, Czechia.

23 Apr - 6 May 2017
I visited the group of Prof. Jussi Behrndt at Graz University of Technology and gave a talk entitled "Optimization of the lowest eigenvalue induced by singular interactions" at mini-workshop Schrödinger Operators and Boundary Value Problems.

20 Feb - 24 Feb 2017
Markus Holzmann (Graz University of Technology) visited our group. We collaborate on magnetic Schrödinger operators with singular interactions.

21 Feb 2017
I gave a talk entitled "Eigenvalue inequalities for the Laplacian with mixed boundary conditions" at Doppler Institute Seminar, Prague.

17 Dec - 20 Dec 2016
I participated in the conference Operator Theory and Indefinite Inner Product Spaces, Vienna.

27 Nov - 4 Dec 2016
I visited the group of Ram Band at Technion University, Haifa, Israel (funded by personal mini-grant of Czech Academy of Sciences).

7-9 Nov 2016
I was invited to the workshop Mathematical challenges of zero-range physics, Trieste, Italy.

2 Nov 2016
I was invited to give an introductory lecture at the Seminar on Contemporary Mathematics (SSM) for undegraduate students, Czech Technical University, Prague.

17-19 Oct 2016
Jiri Lipovsky (University of Hradec Kralove) visited me. We collaborate on resonance phenomena for Schrödinger operators with singular interactions.