2026 David Krejčiřík: Mathematics Researcher – H-Index, Publications & Awards

Overview

David Krejčiřík is affiliated with the Czech Technical University in Prague in the Czech Republic. Their research primarily focuses on mathematics, with substantial contributions in mathematical physics and computational theory.

Their work covers several subfields of study including:

Mathematical Physics
Computational Theory and Mathematics
Applied Mathematics
Atomic and Molecular Physics, and Optics
Statistical and Nonlinear Physics

Key topics addressed in their research include:

Spectral Theory in Mathematical Physics
Advanced Mathematical Modeling in Engineering
Numerical methods in inverse problems
Quantum Mechanics and Non-Hermitian Physics
Nonlinear Partial Differential Equations
Advanced Mathematical Physics Problems
Topological Materials and Phenomena

Some recent papers authored by David Krejčiřík are:

A Sharp Form of the Discrete Hardy Inequality and the Keller-Pinchover-Pogorzelski Inequality, 2022, American Mathematical Monthly
Spectral enclosures and stability for non-self-adjoint discrete Schrödinger operators on the half-line, 2022, Bulletin of the London Mathematical Society

Other notable recent papers, although not authored by David Krejčiřík but relevant to the field, include:

Absence of Eigenvalues of Dirac and Pauli Hamiltonians via the Method of Multipliers, 2020, Repository KITopen (Karlsruhe Institute of Technology)
Location of Eigenvalues of Non-self-adjoint Discrete Dirac Operators, 2020, Annales Henri Poincaré
The abstract Birman-Schwinger principle and spectral stability, 2022, Journal d Analyse Mathématique

Frequent co-authors collaborating with David Krejčiřík include:

František Štampach
Ари Лаптев
Luca Fanelli
Vladimir Lotoreichik
Lucrezia Cossetti

The main venues publishing their work are:

arXiv (Cornell University)
Annales Henri Poincaré
Bulletin of the London Mathematical Society
Journal of Functional Analysis
Nonlinear Analysis

Best Publications

On the metric operator for the imaginary cubic oscillator

P. Siegl;D. Krejčiřík

141
Citations
Pseudospectra in non-Hermitian quantum mechanics

D. Krejčiřík;Petr Siegl;M. Tater;J. Viola

133
Citations
Bound States in Curved Quantum Layers

Pierre Duclos;Pavel Exner;David Krejcirik

126
Citations
Topologically nontrivial quantum layers

G. Carron;P. Exner;D. Krejčiřı́k

116
Citations
Bound States in Weakly Deformed Strips and Layers

D. Borisov;P. Exner;R. Gadyl'shin;D. Krejčiřík

94
Citations
The Hardy inequality and the heat equation in twisted tubes

David Krejcirík;Enrique Zuazua

85
Citations
Perfect transmission scattering as a PT-symmetric spectral problem

H. Hernandez-Coronado;D. Krejčiřík;P. Siegl;P. Siegl

43
Citations
Absence of eigenvalues of two-dimensional magnetic Schrödinger operators

Luca Fanelli;David Krejčiřík;Luis Vega;Luis Vega

37
Citations
A lower bound to the spectral threshold in curved tubes

P. Exner;P. Freitas;D. Krejcirik

31
Citations
Absence of Eigenvalues of Dirac and Pauli Hamiltonians via the Method of Multipliers

Lucrezia Cossetti;Luca Fanelli;David Krejčiřík

30
Citations
The minimally anisotropic metric operator in quasi-Hermitian quantum mechanics

David Krejčiřík;Vladimir Lotoreichik;Miloslav Znojil

29
Citations
The asymptotic behaviour of the heat equation in a twisted Dirichlet-Neumann waveguide

David Krejčiřík;David Krejčiřík;Enrique Zuazua;Enrique Zuazua

27
Citations
Pseudomodes for Schrödinger operators with complex potentials

David Krejčiřík;Petr Siegl

24
Citations
Location of eigenvalues of three-dimensional non-self-adjoint Dirac operators

Luca Fanelli;David Krejčiřík

24
Citations
Bound states in mildly curved layers

P Exner;P Exner;D Krejcirík

20
Citations
Magnetic effects in curved quantum waveguides

David Krejčiřík;Nicolas Raymond

18
Citations
Quantum waveguides with a lateral semitransparent barrier: spectral and scattering properties

P Exner;P Exner;D Krejcirík;D Krejcirík

17
Citations
The Pauli equation with complex boundary conditions

D Kochan;D Krejčiřík;R Novák;P Siegl

16
Citations
Location of Eigenvalues of Non-self-adjoint Discrete Dirac Operators

B. Cassano;O.O. Ibrogimov;David Krejčiřík;F. Štampach

10
Citations
An indefinite Laplacian on a rectangle

Jussi Behrndt;David Krejčiřík

6
Citations

Frequent Co-Authors

Luis Vega University of the Basque Country

External Links

Personal website of David Krejčiřík

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