David Krejcirik

Horizontal magnetic fields and improved Hardy inequalities in the Heisenberg group

Dario Prandi, Biagio Cassano, Valentina Franceschi, 2021, Communications in Partial Differential Equations.

Hardy inequalities for magnetic $p$-Laplacians

Ari Laptev, David Krejcirik, Cristian Cazacu, 2022, 2201.02482.

Spectral optimisation of Dirac rectangles

Philippe Briet, David Krejcirik, 2021 .

Spectral properties of relativistic quantum waveguides

William Borrelli, Philippe Briet, David Krejcirik, 2021 .

Spectral enclosures and stability for non-self-adjoint discrete Schroedinger operators on the half-line

Ari Laptev, David Krejcirik, Frantisek Stampach, 2021 .

Location of the essential spectrum in curved quantum layers

Zhiqin Lu, David Krejcirik, Zhiqin Lu, 2012, 1211.2541.

Geometric Versus Spectral Convergence for the Neumann Laplacian under Exterior Perturbations of the Domain

David Krejcirik, D. Krejčiřík, Jose M. Arrieta, 2009, 0901.4726.

A sharp upper bound for the first Dirichlet eigenvalue and the growth of the isoperimetric constant of convex domains

Pedro Freitas, David Krejcirik, P. Freitas, 2007, 0710.5475.