Christian Seifert

Available identifiers

zbMath Open seifert.christianWikidataQ102414419 ScholiaQ102414419MaRDI QIDQ291992

List of research outcomes

Publication	Date of Publication	Type
Observability and null-controllability for parabolic equations in \(L_p\)-spaces	2023-09-19	Paper
Final state observability in Banach spaces with applications to subordination and semigroups induced by Lévy processes	2023-06-15	Paper
A note on the Lumer-Phillips theorem for bi-continuous semigroups	2023-05-23	Paper
Final state observability estimates and cost-uniform approximate null-controllability for bi-continuous semigroups	2023-05-03	Paper
Observability for Non-autonomous Systems	2023-03-29	Paper
Spectral Theory for Schr\"odinger operators on compact metric graphs with $\delta$ and $\delta'$ couplings: a survey	2023-03-03	Paper
Perturbations of non-autonomous second-order abstract Cauchy problems	2023-02-22	Paper
Evolutionary Equations	2021-10-26	Paper
On some consequences of the solvability of the Caffarelli-Silvestre extension problem	2021-09-09	Paper
Non-autonomous Desch-Schappacher perturbations	2021-09-01	Paper
Sufficient criteria for stabilization properties in Banach spaces	2021-08-20	Paper
Subordination for sequentially equicontinuous equibounded \(C_0\)-semigroups	2021-08-10	Paper
A note on traces of forms with applications to the Bessel operator	2021-06-22	Paper
Sufficient Criteria and Sharp Geometric Conditions for Observability in Banach Spaces	2020-10-30	Paper
On the harmonic extension approach to fractional powers in Banach spaces	2020-10-28	Paper
Spectral Monotonicity for Schrödinger Operators on Metric Graphs	2020-10-16	Paper
Limit operators techniques on general metric measure spaces of bounded geometry	2020-05-27	Paper
Evolutionary Equations	2020-03-27	Paper
Note on Spectra of Non-Selfadjoint Operators Over Dynamical Systems	2019-08-09	Paper
On the construction and convergence of traces of forms	2019-06-25	Paper
Sufficient criteria and sharp geometric conditions for observability in Banach spaces	2019-05-24	Paper
On eigenvalue bounds for a general class of Sturm-Liouville operators	2018-08-21	Paper
Airy-type evolution equations on star graphs	2018-06-06	Paper
Subordination for sequentially equicontinuous equibounded $C_0$-semigroups	2018-02-14	Paper
A note on perturbations of $C_0$-semigroups	2018-02-01	Paper
Absolutely continuous spectrum for Laplacians on radial metric trees and periodicity	2017-12-18	Paper
On the spectrum of operator families on discrete groups over minimal dynamical systems	2017-12-15	Paper
The linearized Korteweg-de-Vries equa- tion on general metric graphs	2017-11-02	Paper
On the construction and convergence of traces of forms	2017-06-26	Paper
Fractional powers of non-negative operators in Banach spaces via the Dirichlet-to-Neumann operator	2017-04-06	Paper
Airy-type evolution equations on star graphs	2016-08-04	Paper
Almost sure purely singular continuous spectrum for quasicrystal models	2016-06-24	Paper
Perturbations of positive semigroups on \(L_p\)-spaces	2016-06-10	Paper
On the perturbation of positive semigroups	2016-02-10	Paper
Dirichlet forms for singular diffusion in higher dimensions	2016-01-13	Paper
Boundary systems and (skew‐)self‐adjoint operators on infinite metric graphs	2015-11-03	Paper
Note on spectra of non-selfadjoint operators over dynamical systems	2014-12-18	Paper
A quantitative version of Gordon's Theorem for Jacobi and Sturm-Liouville operators	2014-07-28	Paper
Absence of absolutely continuous spectrum for the Kirchhoff Laplacian on radial trees	2014-07-01	Paper
A weak Gordon type condition for absence of eigenvalues of one-dimensional Schrödinger operators	2014-04-14	Paper
Zero measure Cantor spectra for continuum one-dimensional quasicrystals	2014-03-10	Paper
Uniform existence of the integrated density of states on metric Cayley graphs	2013-10-21	Paper
Dirichlet forms for singular diffusion on graphs	2012-06-11	Paper
Gordon type Theorem for measure perturbation	2011-10-11	Paper

Research outcomes over time

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