http://www.tu-ilmenau.de

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Foto des Ansprechpartners
Ansprechpartner

Prof. Dr. Achim Ilchmann

Head of Group

Telefon +49 3677 69-3623

E-Mail senden


Ihre Position

INHALTE

M. Sc. Hannes Gernandt

E-Mail:   hannes.gernandt[at]tu-ilmenau.de
Telefon: +49 3677 69-3254
Telefax: +49 3677 69-3270
Büro:      Curiebau, Raum C 230, 
             Weimarer Straße 25, 98693 Ilmenau

Forschung

Publikationen:

7. Schur reduction of trees and extremal entries of the Fiedler vector

     (with J.P. Pade), submitted. pdf-file

 

6. Locally finite extensions and Gesztesy-Šeba realizations for the Dirac

operator on a metric graph (with C. Trunk), submitted. pdf-file

 

5. The gap distance to the set of singular matrix pencils

(with T. Berger, C. Trunk, H. Winkler, M. Wojtylak), submitted. pdf-file

 

4. A new method for network redesign via rank one updates, 

(with D. Krauße, R. Sommer, C. Trunk), Proc. Appl. Math. Mech. 17 (2017). pdf-file

 

3. A new bound for the distance to singularity of a regular matrix pencil,

(with T. Berger, C. Trunk, H. Winkler, M. Wojtylak), Proc. Appl. Math. Mech. 17 (2017). pdf-file

 

2. Eigenvalue placement for regular matrix pencils with rank one perturbations

(with C. Trunk), SIAM J. Matrix Anal. & Appl. 38 (2017), pp. 134-154.  pdf-file

 

1. On the parametric eigenvalue behavior of matrix pencils under rank one perturbations

(with C. Trunk), Proc. Appl. Math. Mech. 16 (2016), pp. 873-874;

Extended Version: pdf-file

 

Abschlussarbeiten:

Untersuchung von Quantengraphen mittels direkter Summen von Randtripeln           

 

 

Vorträge

09/2018: On network redesign, Siegmundsburg Workshop, Ilmenau.

09/2018: Point interactions on infinite graphs, Mikael-Passare-Day, Stockholm.

04/2018: Eigenvalue assignment for matrix pencils with application to network redesign,

                Seminario de Análisis Funcional "Mischa Cotlar", Buenos Aires.

03/2018: On the distance between DAEs, Siegmundsburg Workshop.

02/2018: On the gap distance between matrix pencils, Absolventen-Seminar Numerische

                 Mathematik, TU Berlin. Folien

08/2017: The end of the saga? A solution to a problem posed by R. Sommer, Siemundsburg

               Workshop, Ilmenau. Folien

06/2017: Rank one perturbation of matrix pencils with application to electric circuits,

               Forschungsseminar: Mathematische Modellierung & numerische Simulation, HU Berlin.

05/2017: Locally finite extensions of direct sum operators, Workshop of the GAMM Activity

                Group Applied Operator Theory, Hamburg.

03/2017: On the rank one inverse eigenvalue problem for Hermitian matrix pencils,

   88th Annual Meeting GAMM, Weimar. Folien

08/2016: Distance to singularity for DAEs, Oberseminar Systemtheorie, Erfurt. Folien

06/2016: The Dantzig Selector, Seminar "Sparse Recovery and Compressed Sensing",

TU Ilmenau. Skript

03/2016: Eigenvalue placement for regular matrix pencils with rank one perturbations,

Gemeinsame Jahrestagung von GAMM und DMV, Braunschweig. Folien

09/2015: Laplacians on infinite graphs, 4th Najman conference on Spectral Problems for

Operators and Matrices, Opatija.  Folien

07/2015: Konvergenz von Markovketten, Seminar "Graphen und Stochastik", TU Ilmenau.   

     Skript.