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- Professur für Numerik partieller Differentialgleichungen
- Prof. Dr. Bastian von Harrach-Sammet
Professur für Numerik partieller Differentialgleichungen
Prof. Dr. Bastian von Harrach-Sammet
Bastian von Harrach-Sammet studierte Mathematik mit Nebenfach Physik an der Universität Mainz, wurde 2006 promoviert, und war als Postdoc an der Universität Mainz und am Johann Radon-Institut der Österreichischen Akademie der Wissenschaften. Nach Professuren an der TU München, der Universität Würzburg, und einem Lehrstuhl an der Universität Stuttgart, folgte er im Oktober 2015 dem Ruf auf die W3-Professur für Numerik partieller Differentialgleichungen an die Goethe-Universität Frankfurt am Main.
Lehre
Sprechstunde und Anleitung zum wissenschaftlichen Arbeiten
- Aufgrund des Forschungssemesters finden die Sprechstunden nur nach Vereinbarung statt.
- Terminvereinbarung über das Büro per E-Mail an Frau Dreibholz
Publikationen, Vorträge und Lebenslauf
Eingereichte Arbeiten / Preprints
- T. Gerstner, B. Harrach, D. Roth, M. Simon:
Multilevel Monte Carlo learning (arXiv:2102.08734)
- T. Gerstner, B. Harrach, D. Roth:
Convergence of Milstein Brownian bridge Monte Carlo methods and stable Greeks calculation
(arXiv:1906.11002)
Veröffentlichungen in referierten Zeitschriften und Buchkapiteln
- B. Harrach:
The Calderón problem with finitely many unknowns is equivalent to convex semidefinite optimization
SIAM J. Math. Anal. 55 (5), 5666-5684, 2023. (https://doi.org/10.1137/23M1544854)
- S. Eberle, B. Harrach:
Resolution Guarantees for the Reconstruction of Inclusions in Linear Elasticity Based on Monotonicity Methods
Inverse Problems 39 (7), 075006, 2023. (https://doi.org/10.1088/1361-6420/accb07)
- B. Harrach, Y.-H. Lin:
Simultaneous recovery of piecewise analytic coefficients in a semilinear elliptic equation
Nonlinear Anal. 228, 113188, 2023. (https://doi.org/10.1016/j.na.2022.113188)
- B. Harrach, T. Jahn, R. Potthast:
Regularising linear inverse problems under unknown non-Gaussian white noise allowing repeated measurements
IMA J. Numer. Anal. 43 (1), 443–500, 2023. (https://doi.org/10.1093/imanum/drab098)
- S. Eberle, B. Harrach:
Monotonicity-Based Regularization for Shape Reconstruction in Linear Elasticity
Comput. Mech. 69 (5), 1069–1086, 2022. (https://doi.org/10.1007/s00466-021-02121-2)
- B. Harrach:
Solving an inverse elliptic coefficient problem by convex non-linear semidefinite programming
Optim. Lett. 16 (5), 1599–1609, 2022. (https://doi.org/10.1007/s11590-021-01802-4)
- B. Harrach:
An Introduction to Finite Element Methods for Inverse Coefficient Problems in Elliptic PDEs
Jahresber. Dtsch. Math. Ver. 123 (3), 183–210, 2021. (https://doi.org/10.1365/s13291-021-00236-2)
- S. Eberle, B. Harrach:
Shape Reconstruction in Linear Elasticity: Standard and Linearized Monotonicity Method
Inverse Problems 37 (4), 045006, 2021. (https://doi.org/10.1088/1361-6420/abc8a9)
- S. Eberle, B. Harrach, H. Meftahi, T. Rezgui:
Lipschitz stability estimate and reconstruction of Lamé parameters in linear elasticity
Inverse Probl. Sci. Eng. 29 (3), 396–417, 2021. (https://doi.org/10.1080/17415977.2020.1795151)
- B. Harrach:
Uniqueness, stability and global convergence for a discrete inverse elliptic Robin transmission problem
Numer. Math. 147 (1), 29–70, 2021. (https://doi.org/10.1007/s00211-020-01162-8)
- B. Harrach, T. Jahn, R. Potthast:
Beyond the Bakushinkii veto: Regularising linear inverse problems without knowing the noise distribution
Numer. Math. 145 (3), 581–603, 2020. (https://doi.org/10.1007/s00211-020-01122-2)
- T. Gerstner, B. Harrach, D. Roth:
Monte Carlo pathwise sensitivities for barrier options
J. Comput. Finance 23 (5), 75–99, 2020. (https://doi.org/10.21314/JCF.2020.385)
- B. Harrach, Y.-H. Lin:
Monotonicity-Based Inversion of the Fractional Schrödinger Equation II. General Potentials and Stability
SIAM J. Math. Anal. 52 (1), 402–436, 2020. (https://doi.org/10.1137/19M1251576)
- B. Harrach, Y.-H. Lin:
Monotonicity-based Inversion of the Fractional Schrödinger Equation I. Positive Potentials
SIAM J. Math. Anal. 51 (4), 3092–3111, 2019. (https://doi.org/10.1137/18M1166298)
- B. Harrach, V. Pohjola, M. Salo:
Dimension Bounds in Monotonicity Methods for the Helmholtz Equation
SIAM J. Math. Anal. 51 (4), 2995–3019, 2019. (https://doi.org/10.1137/19M1240708)
- B. Harrach, V. Pohjola, M. Salo:
Monotonicity and local uniqueness for the Helmholtz equation
Anal. PDE 12 (7), 1741–1771, 2019. (https://doi.org/10.2140/apde.2019.12.1741)
- J. K. Seo, K. C. Kim, A. Jargal, K. Lee, B. Harrach:
A Learning-Based Method for Solving Ill-Posed Nonlinear Inverse Problems: A Simulation Study of Lung EIT
SIAM J. Imaging Sci. 12 (3), 1275–1295, 2019. (https://doi.org/10.1137/18M1222600)
- B. Harrach, H. Meftahi:
Global Uniqueness and Lipschitz-Stability for the Inverse Robin Transmission Problem
SIAM J. Appl. Math. 79 (2), 525–550, 2019. (https://doi.org/10.1137/18M1205388)
(SIAM Journals Top Three Most Cited Papers)
- B. Harrach, J. Rieger:
A Set Optimization Technique for Domain Reconstruction from Single-Measurement Electrical Impedance Tomography Data
In: D. R. Wood, J. de Gier, C. E. Praeger, T. Tao (eds): 2017 MATRIX Annals, pp 37–49.
MATRIX Book Ser., Vol. 2, Springer, Cham, 2019. (https://doi.org/10.1007/978-3-030-04161-8_4)
- B. Harrach:
Uniqueness and Lipschitz stability in electrical impedance tomography with finitely many electrodes
Inverse Problems 35 (2), 024005, 2019. (https://doi.org/10.1088/1361-6420/aaf6fc)
- B. Harrach, Y.-H. Lin, H. Liu:
On Localizing and Concentrating Electromagnetic Fields
SIAM J. Appl. Math. 78 (5), 2558–2574, 2018. (https://doi.org/10.1137/18M1173605)
- R. Griesmaier, B. Harrach:
Monotonicity in Inverse Medium Scattering on Unbounded Domains
SIAM J. Appl. Math. 78 (5), 2533–2557, 2018. (https://doi.org/10.1137/18M1171679)
R. Griesmaier, B. Harrach: Erratum: Monotonicity in Inverse Medium Scattering on Unbounded Domains
SIAM J. Appl. Math. 81 (3), 1332–1337, 2021. (https://doi.org/10.1137/21M1399221)
- L. Zhou, B. Harrach, J. K. Seo:
Monotonicity-based electrical impedance tomography for lung imaging
Inverse Problems 34 (4), 045005, 2018. (https://doi.org/10.1088/1361-6420/aaaf84)
- D. Garmatter, B. Harrach:
Magnetic Resonance Electrical Impedance Tomography (MREIT): Convergence and Reduced Basis Approach
SIAM J. Imaging Sci. 11 (1), 863–887, 2018. (https://doi.org/10.1137/17M1155958)
- T. Brander, B. Harrach, M. Kar, M. Salo:
Monotonicity and Enclosure Methods for the p-Laplace Equation
SIAM J. Appl. Math. 78 (2), 742–758, 2018. (https://doi.org/10.1137/17M1128599)
- B. Harrach, N. M. Mach:
Monotonicity-Based Regularization for Phantom Experiment Data in Electrical Impedance Tomography
In: B. Hofmann, A. Leitão, J. Zubelli (eds): New Trends in Parameter Identification for Mathematical Models, pp 107–120.
Trends Math., Birkhäuser, Cham, 2018. (https://doi.org/10.1007/978-3-319-70824-9_6)
- A. Barth, B. Harrach, N. Hyvönen, L. Mustonen:
Detecting stochastic inclusions in electrical impedance tomography
Inverse Problems 33 (11), 115012, 2017. (https://doi.org/10.1088/1361-6420/aa8f5c)
- B. Harrach, M. Ullrich:
Local uniqueness for an inverse boundary value problem with partial data
Proc. Amer. Math. Soc. 145 (3), 1087–1095, 2017. (https://doi.org/10.1090/proc/12991)
- B. Harrach, N. M. Mach:
Enhancing residual-based techniques with shape reconstruction features in electrical impedance tomography
Inverse Problems 32 (12), 125002, 2016. (http://dx.doi.org/10.1088/0266-5611/32/12/125002)
- D. Garmatter, B. Harrach, B. Haasdonk:
A reduced basis Landweber method for nonlinear inverse problems
Inverse Problems 32 (3), 035001, 2016. (http://dx.doi.org/10.1088/0266-5611/32/3/035001)
(Inverse Problems Highlights of 2016)
- B. Harrach:
Interpolation of missing electrode data in electrical impedance tomography
Inverse Problems 31 (11), 115008, 2015. (http://dx.doi.org/10.1088/0266-5611/31/11/115008)
- B. Harrach, E. Lee, M. Ullrich:
Combining frequency-difference and ultrasound modulated electrical impedance tomography
Inverse Problems 31 (9), 095003, 2015. (http://dx.doi.org/10.1088/0266-5611/31/9/095003)
- B. Harrach, M. Ullrich:
Resolution Guarantees in Electrical Impedance Tomography
IEEE Trans. Med. Imaging 34 (7), 1513–1521, 2015. (http://dx.doi.org/10.1109/TMI.2015.2404133)
- M. K. Choi, B. Harrach, J. K. Seo:
Regularizing a linearized EIT reconstruction method using a sensitivity-based factorization method
Inverse Probl. Sci. Eng. 22 (7), 1029–1044, 2014. (http://dx.doi.org/10.1080/17415977.2013.850682)
- B. Harrach, M. Ullrich:
Monotonicity-Based Shape Reconstruction in Electrical Impedance Tomography
SIAM J. Math. Anal. 45 (6), 3382–3403, 2013. (http://dx.doi.org/10.1137/120886984)
- T. Alm, B. Harrach, D. Harrach, M. Keller:
A Monte Carlo pricing algorithm for autocallables that allows for stable differentiation
J. Comput. Finance 17 (1), 43–70, 2013. (https://doi.org/10.21314/JCF.2013.265)
- L. Arnold, B. Harrach:
Unique shape detection in transient eddy current problems
Inverse Problems 29 (9), 095004 (19pp), 2013. (http://dx.doi.org/10.1088/0266-5611/29/9/095004)
- M.-E. Ts, E. Lee, J. K. Seo, B. Harrach, S. Kim:
Projective Electrical Impedance Reconstruction with Two Measurements
SIAM J. Appl. Math. 73 (4), 1659–1675, 2013. (http://dx.doi.org/10.1137/120879671)
- B. Harrach:
Recent Progress on the Factorization Method for Electrical Impedance Tomography
Comput. Math. Methods Med., vol. 2013, Article ID 425184, 8 pages, 2013. (http://dx.doi.org/10.1155/2013/425184)
- H. Kwon, H. Wi, B. Karki, E. J. Lee, A. McEwan, E. J. Woo, B. Harrach, J. K. Seo, T. I. Oh:
Bioimpedance spectroscopy tensor probe for anisotropic measurements
Electron. Lett. 48 (20), 1253–1255, 2012. (http://dx.doi.org/10.1049/el.2012.2661)
- B. Harrach:
Simultaneous determination of the diffusion and absorption coefficient from boundary data
Inverse Probl. Imaging 6 (4), 663–679, 2012. (http://dx.doi.org/10.3934/ipi.2012.6.663)
- L. Arnold, B. Harrach:
A Unified Variational Formulation for the Parabolic-Elliptic Eddy Current Equations
SIAM J. Appl. Math. 72 (2), 558–576, 2012. (http://dx.doi.org/10.1137/110831477)
- M. Hanke, B. Harrach, N. Hyvönen:
Justification of point electrode models in electrical impedance tomography
Math. Models Methods Appl. Sci. 21 (6), 1395–1413, 2011. (http://dx.doi.org/10.1142/S0218202511005362)
- B. Harrach, J. K. Seo, E. J. Woo:
Factorization Method and Its Physical Justification in Frequency-Difference Electrical Impedance Tomography
IEEE Trans. Med. Imaging 29 (11), 1918–1926, 2010. (http://dx.doi.org/10.1109/TMI.2010.2053553)
- B. Harrach, J. K. Seo:
Exact Shape-Reconstruction by One-Step Linearization in Electrical Impedance Tomography
SIAM J. Math. Anal. 42 (4), 1505–1518, 2010. (http://dx.doi.org/10.1137/090773970)
- B. Harrach:
On uniqueness in diffuse optical tomography
Inverse Problems 25 (5), 055010 (14pp), 2009. (http://dx.doi.org/10.1088/0266-5611/25/5/055010)
- B. Harrach, J. K. Seo:
Detecting Inclusions in Electrical Impedance Tomography Without Reference Measurements
SIAM J. Appl. Math. 69 (6), 1662–1681, 2009. (http://dx.doi.org/10.1137/08072142X)
- B. Gebauer, O. Scherzer:
Impedance-Acoustic Tomography
SIAM J. Appl. Math. 69 (2), 565–576, 2008. (http://dx.doi.org/10.1137/080715123)
- B. Gebauer, N. Hyvönen:
Factorization method and inclusions of mixed type in an inverse elliptic boundary value problem
Inverse Probl. Imaging 2 (3), 355–372, 2008. (http://dx.doi.org/10.3934/ipi.2008.2.355)
- B. Gebauer:
Localized potentials in electrical impedance tomography
Inverse Probl. Imaging 2 (2), 251–269, 2008. (http://dx.doi.org/10.3934/ipi.2008.2.251)
- B. Gebauer, M. Hanke, C. Schneider:
Sampling methods for low-frequency electromagnetic imaging
Inverse Problems 24 (1), 015007 (18pp), 2008. (http://dx.doi.org/10.1088/0266-5611/24/1/015007)
- B. Gebauer, N. Hyvönen:
Factorization method and irregular inclusions in electrical impedance tomography
Inverse Problems 23 (5), 2159–2170, 2007. (http://dx.doi.org/10.1088/0266-5611/23/5/020)
- B. Gebauer:
Sensitivity analysis of a parabolic-elliptic problem
Quart. Appl. Math. 65 (3), 591–604, 2007. (http://dx.doi.org/10.1090/S0033-569X-07-01072-4)
Preprint: RICAM Reports 2007-05, Johann Radon Institute, Linz, Austria, 2007.
- F. Frühauf, B. Gebauer, O. Scherzer:
Detecting Interfaces in a Parabolic‐Elliptic Problem from Surface Measurements
SIAM J. Numer. Anal. 45 (2), 810–836, 2007. (http://dx.doi.org/10.1137/050641545)
- B. Gebauer:
The Factorization Method for Real Elliptic Problems
Z. Anal. Anwend. 25 (1), 81–102, 2006. (http://dx.doi.org/10.4171/ZAA/1279)
- B. Gebauer, M. Hanke, A. Kirsch, W. Muniz, C. Schneider:
A sampling method for detecting buried objects using electromagnetic scattering
Inverse Problems 21 (6), 2035–2050, 2005. (http://dx.doi.org/10.1088/0266-5611/21/6/015)
Veröffentlichungen in Tagungsbänden und extended abstracts
- B. Harrach, V. Pohjola, M. Salo:
The monotonicity method for inverse scattering
Oberwolfach Rep. 14 (2), 1519–1522, 2017. (http://dx.doi.org/10.4171/OWR/2017/24)
- B. Harrach, N. M. Mach: Towards combining optimization-based techniques with shape reconstruction methods in EIT
Oberwolfach Rep. 13 (3), 2598–2601, 2016. (http://dx.doi.org/10.4171/OWR/2016/45)
- L. Arnold, B. Harrach:
Justification of regularizations for the parabolic-elliptic eddy current equation,
In: IPDO 2013: 4th Inverse problems, design and optimization symposium, 2013 June 26–28, Albi, ed. by O. Fudym, J.-L. Battaglia, G.S. Dulikravich et al., Albi ; Ecole des Mines d'Albi-Carmaux, 2013 (ISBN 979-10-91526-01-2).
- B. Harrach, M. Ullrich:
Monotony based inclusion detection in EIT for realistic electrode models,
J. Phys.: Conf. Ser. 434, 012076, 2013. (http://dx.doi.org/10.1088/1742-6596/434/1/012076)
- L. Arnold, B. Harrach: Inverse Eddy Current Problems
Oberwolfach Rep. 9 (1), 630–633, 2012. (http://dx.doi.org/10.4171/OWR/2012/11)
- M. K. Choi, B. Harrach, J. K. Seo: A new hybrid reconstruction method in EIT
Proceedings of the KSIAM 6 (1), 289–291, 2011. (http://www.dbpia.co.kr/Journal/ArticleDetail/NODE01690054)
- B. Harrach, J. K. Seo:
Exact shape-reconstruction by one-step linearization in electrical impedance tomography
Oberwolfach Rep. 7 (2), 1055–1057, 2010. (http://dx.doi.org/10.4171/OWR/2010/18)
- B. Harrach, M. Ullrich:
Monotony based imaging in EIT,
AIP Conf. Proc. 1281, 1975–1978, 2010. (https://doi.org/10.1063/1.3498321)
- B. Harrach:
Simultaneous imaging of absorption and scattering in dc diffuse optical tomography,
in: O. Dössel and W. C. Schlegel (Eds.): WC2009, IFMBE Proceedings 25/II, 776–779, 2009. (http://dx.doi.org/10.1007/978-3-642-03879-2_217)
- J. K. Seo, B. Harrach, E. J. Woo:
Recent progress on frequency difference electrical impedance tomography,
ESAIM Proc. 26, 150–161, 2009. (http://dx.doi.org/10.1051/proc/2009011)
- B. Gebauer, M. Hanke, C. Schneider:
Sampling methods for low-frequency electromagnetic imaging
Oberwolfach Rep. 4 (1), 748–750, 2007. (http://dx.doi.org/10.4171/OWR/2007/13)
Populärwissenschaftliche Arbeiten / Hochschulkommunikation
- B. Harrach: Abermillionen Rechenschritte für einen Blick in den Körper: In der medizinischen Bildgebung geht nichts ohne Mathematik
Forschung Frankfurt : Wissenschaftsmagazin der Goethe-Universität 34 (2), 79–81, 2017. (http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:hebis:30:3-452487)
- B. Haasdonk, B. Harrach, C. Rohde, C. Scherer, G. Schneider, K. Siebert: Mathematik als Innovator der Simulationstechnik, Simulationstechnik als Innovator der Mathematik
in: Simulation Technology, Themenheft Forschung 10, 60–71, Universität Stuttgart 2014, ISSN 1861-0269. (http://www.uni-stuttgart.de/hkom/publikationen/themenheft/10)
- Inverse Problems in Partial Differential Equations,
National Cheng Kung University, Tainan, Taiwan, 17. Mai 2023. - Inverse Problems in Partial Differential Equations,
National Yang Ming Chiao Tung University, Hsinchu, Taiwan, 16. Mai 2023. - Inverse Problems in Partial Differential Equations,
Math CU Seminar, Chulalongkorn University, Bangkok, Thailand, 21. März 2023. - Towards global convergence for inverse coefficient problems,
Inverse Problems in the Desert, New York University Abu Dhabi Institute, VAE, 19.-22. Dezember, 2022. - Computertomographie,
Begemann Schule, Frankfurt, 3. November 2022 - Towards global convergence for inverse coefficient problems,
IWR Scientific Computing Seminar, Heidelberg University, Germany, 23. Juni 2022. - Global convergence and stable invertibility for a
Robin transmissionCalderón problem with finitely many measurements,
10th International Conference Inverse Problems: Modelling and Simulation (IPMS), Malta, 22.-28. Mai 2022. - Uniqueness and convex reformulation for inverse coefficient problems with finitely many measurements,
Inverse Problems Seminar, UC Irvine, CA, USA, 7. April 2022.
Videoaufnahme des Vortrags: https://youtu.be/2mvFCS_2smM - Stable Differentiation of Monte Carlo Priced Options with Discontinuous Payoff,
22nd MathFinance Conference, Frankfurt, Germany, 21.-22. März 2022. - Monotonicity-Based Inversion of the Fractional Schrödinger Equation,
2022 SIAM Conference on Imaging Science (IS22), Berlin, 21.-25. März 2022. - Towards global convergence for inverse coefficient problems with finitely many measurements,
Conference on Mathematics of Wave Phenomena, Karlsruhe Institute of Technology, 14.-18. Februar 2022. - Uniqueness and global convergence for inverse coefficient problems with finitely many measurements,
ICASE 2021, Ulaanbaatar, Mongolei, 26. November 2021. - Towards global convergence for inverse coefficient problems,
Workshop Inverse Problems and Beyond, Celebrating the 60th birthday of Martin Hanke, University of Mainz, 22. Oktober 2021. - Uniqueness and global convergence for inverse coefficient problems with finitely many measurements,
2nd Alps-Adriatic Inverse Problems Workshop 2021, Chemnitz Inverse Problems Symposium on tour, University of Klagenfurt, Österreich, 22.-24. September 2021. - Uniqueness and global convergence for a
discrete inverse coefficient problem,
Seminar in Numerical Analysis, Dept. of Mathematics & Computer Science, University of Basel, Basel, Schweiz, 4. Dezember 2020. - Uniqueness and global convergence for a
discrete inverse coefficient problem,
Colóquio do Departamento de Matemática, Universidade Federal de Santa Catarina, Florianópolis, Brasilien, 27. November 2020. - Inverse Probleme und ihre Anwendungen (movie.avi)
12. Jahrestreffen von Alumni, Studierenden und Dozenten der Mathematik, Goethe-Universität Frankfurt am Main, 16. November 2019. - New stability results for inverse
coefficient problems (movie.avi),
ICIAM 2019 - International Congress on Industrial and Applied Mathematics, Valencia, Spanien, 15.-19. Juli 2019. - Monotonicity-based inversion of the fractional
Schrödinger equation
Applied Inverse Problems Conference 2019, Grenoble, Frankreich, 8.-12. Juli 2019. - Monotonicity methods for medical imaging
(movie.avi,
EIDORS1.avi,
minres_cvx1.avi)
Applied Inverse Problems Conference 2019, Grenoble, Frankreich, 8.-12. Juli 2019. - Inverse Probleme und ihre Anwendungen (movie.avi)
MaMpF - Mainzer Mathematiker + Freunde, 20 Jahre Freunde der Mathematik, Johannes Gutenberg-Universität Mainz, Deutschland, 17. November 2018. - Monotonicity methods
for inverse coefficient problems (movie.avi,
EIDORS1.avi,
minres_quadprog1.avi,
minres_cvx1.avi)
2018 Joint Meeting of the Korean Mathematical Society and the German Mathematical Society, COEX, Seoul, Korea, 3.-6. Oktober 2018. - Monotonicity methods
for inverse coefficient problems (movie.avi,
EIDORS1.avi,
minres_quadprog1.avi,
minres_cvx1.avi)
Inverse Problems for Partial Differential Equations, In honor of Professor Masaru Ikehata on the occasion of his 60th Birthday, Tokyo University of Science, Japan, 26.-28. August 2018. - The Monotonicity Method for the Helmholtz equation
Conference on Mathematics of Wave Phenomena, Karlsruhe Institute of Technology, Deutschland, 23.-27. Juli 2018. -
Monotonicity-based inverse scattering
SIAM Conference on Imaging Science, Bologna, Italien, 5.-8. Juni 2018. - Monotonicity-based regularization of inverse coefficient problems (movie.avi,
EIDORS1.avi,
minres_quadprog1.avi,
minres_cvx1.avi)
Workshop on Reconstruction Methods for Inverse Problems, INdAM - Istituto Nazionale di Alta Matematica "F. Severi", Rom, Italien, 28. Mai - 1. Juni 2018. - Monotonicity-based regularization of inverse
coefficient problems (movie.avi,
EIDORS1.avi,
minres_quadprog1.avi,
minres_cvx1.avi)
New Trends in Parameter Identification for Mathematical Models, IMPA, Rio de Janeiro, Brasilien, 30. Oktober - 3. November, 2017.
Videoaufnahme des Vortrags: https://youtu.be/PhxUBDR-wII - Inverse problems and medical imaging (movie.avi,
EIDORS1.avi,
minres_quadprog1.avi,
minres_cvx1.avi)
Applied and Computational Mathematics Seminar, School of Mathematical Sciences, Monash University, Melbourne, Australia, September 15, 2017. - Detecting stochastic inclusions in electrical
impedance tomography (movie.avi)
The International Conference on Sensing and Imaging ICSI 2017, Chengdu, China, June 5-7, 2017. - Monotonicity-based regularization of inverse
coefficient problems (movie.avi,
EIDORS1.avi,
minres_quadprog1.avi,
minres_cvx1.avi)
Applied Inverse Problems 2017, Hangzhou, China, May 29-June 02, 2017. - Monotonicity method for inverse scattering
Oberwolfach Workshop on Computational Inverse Problems for Partial Differential Equations, Oberwolfach, Germany, May 14-20, 2017. - Inverse problems and medical imaging (movie.avi,
EIDORS1.avi,
minres_quadprog1.avi,
minres_cvx1.avi)
Seminario di Calcolo delle Variazioni ed Equazioni alle Derivate Parziali, University of Florence, Italy, January 27, 2017. - Monotonicity-based regularization of inverse coefficient problems (movie.avi,
EIDORS1.avi,
minres_quadprog1.avi,
minres_cvx1.avi)
IFIP WG 7.4 Workshop on Inverse Problems and Imaging, Mülheim an der Ruhr, Germany, December 19-21, 2016. - Inverse problems and medical imaging (movie.avi,
EIDORS1.avi,
minres_quadprog1.avi,
minres_cvx1.avi)
Analysis-Seminar Augsburg-München, University of Augsburg, Germany, December 15, 2016. - Towards combining
optimization-based techniques with shape reconstruction methods in EIT (movie.avi,
EIDORS1.avi,
minres_quadprog1.avi,
minres_cvx1.avi)
Oberwolfach Workshop on Theory and Numerics of Inverse Scattering Problems, Oberwolfach, Germany, September 18–24, 2016. - Monotonicity-based regularization of inverse coefficient problems (movie.avi,
EIDORS1.avi,
minres_quadprog1.avi,
minres_cvx1.avi)
ICSI 2016 - The International Conference on Sensing and Imaging, Taiyuan, China, July 25–28, 2016. - Regularizing the optimization-based solution of inverse coefficient problems with monotonicity constraints (movie.avi,
EIDORS1.avi,
minres_quadprog1.avi,
minres_cvx1.avi)
The 10th International Conference on Optimization: Techniques and Applications (ICOTA 10), Ulaanbaatar, Mongolia, July 23–26, 2016. - Inverse problems and medical imaging (movie.avi,
EIDORS1.avi,
minres_quadprog1.avi,
minres_cvx1.avi)
Mongolian University of Science and Technology, Ulaanbaatar, Mongolia, July 21, 2016. - Monotonicity-based regularization of inverse
coefficient problems (movie.avi,
EIDORS1.avi,
minres_quadprog1.avi,
minres_cvx1.avi)
MediaV Award Lecture, ICIP 2016, Ewha Womans University, Seoul, South Korea, 27. Juni - 1. Juli 2016. - Inverse problems and medical imaging (movie.avi,
EIDORS1.avi,
minres_quadprog1.avi,
minres_cvx1.avi)
Colloquium of the Institute of Mathematics, Johannes Gutenberg University Mainz, 9. Juni 2016. - Mathematik in der Medizintechnik (movie.avi)
NIGHT of SCIENCE 2016, Goethe-Universität Frankfurt am Main, 3. Juni 2016. - Detecting stochastic inclusions in electrical
impedance tomography (movie.avi)
The 8th International Conference Inverse Problems: Modeling and Simulation (IPMS-2016), Fethiye, Turkey, 23.-28. Mai 2016. - Inverse problems and medical imaging (movie.avi)
Felix-Klein-Colloquium, Department of Mathematics, TU Kaiserslautern, 3. Mai 2016. - Monotonicity-based methods for inverse
coefficient problems (movie.avi)
Analysis Seminar, Department of Mathematics and Statistics, University of Jyväskylä, Finnland, 14. April 2016. - Inverse problems and medical imaging (movie.avi)
Chemnitzer Mathematisches Colloquium, TU Chemnitz, 18. Februar 2016. - Inverse problems and medical imaging (movie.avi)
Seminar on inverse problems, University College London, UK, 29. Januar 2016. - Inverse problems and medical imaging (movie.avi)
Kolloquium der Fachrichtung Mathematik, Universität des Saarlandes, Saarbrücken, 27. November 2015. - Monotonicity-based methods for elliptic inverse coefficient problems (movie.avi)
Workshop Mathematics for Imaging, École normale supérieure, Paris, Frankreich, 21.-23. Oktober 2015. - Inverse problems and medical imaging (movie.avi)
Swiss IEEE EMBS Chapter, Bern University of Applied Sciences, Biel/Bienne, Schweiz, 16. Oktober 2015. - Monotonicity-based methods for elliptic inverse coefficient problems (movie.avi)
Department of Mathematics, Southeast University, Nanjing, China, 21. September 2015. - Detecting stochastic inclusions in electrical impedance tomography (movie.avi)
ICIAM 2015 - The 8th International Congress on Industrial and Applied Mathematics, Beijing, China, 10-14. August 2015. - Shape reconstruction in elliptic inverse coefficient problems (movie.avi)
Workshop on Generalised Convexity and Set Computation, Imperial College London, UK, 3.-5. August 2015. - Monotonicity-based methods for elliptic inverse coefficient problems (movie.avi)
ICERM Topical Workshop on Computational and Analytical Aspects of Image Reconstruction, Brown University, Providence, RI, USA, 13.-17. Juli 2015.
Videoaufnahme des Vortrags: ICERM Video Archive - Inverse problems and medical imaging (movie.avi)
Rhein-Main Arbeitskreis Mathematics of Computation, TU Darmstadt, 10. Juli 2015. - Combining Frequency-difference and Ultrasound-modulated EIT
AIP - Applied Inverse Problems 2015, Helsinki, Finnland, 25.-29. Mai 2015. - Inverse problems and medical imaging
Mathematisches Kolloquium, Universität Duisburg-Essen, 13. Mai 2015. - Introduction to Inverse Problems
Department of Computational Science and Engineering (CSE), Yonsei University, Seoul, Südkorea, 3. April 2015. - Inverse coefficient problems in elliptic partial differential equations
OCIP 2015 - Workshop on Numerical Methods for Optimal Control and Inverse Problems, Technische Universität München, Garching, 9.-11. März 2015. - Introduction to the numerical solution of inverse problems and shape detection in electrical impedance tomography (Lecture 1, Lecture 2, Lecture 3, Lecture 4, Theorems and Proofs)
Advanced Instructional School on Theoretical and Numerical Aspects of Inverse Problems,
TIFR Centre For Applicable Mathematics, Bangalore, Indien, 16.-28. Juni 2014. - Combining Frequency-difference and Ultrasound-modulated EIT
SIAM Conference on Imaging Science, Hong Kong Baptist University, Hongkong, 12.-14. Mai 2014. - The Vanishing Conductivity Limit in Eddy Current Imaging
SIAM Conference on Imaging Science, Hong Kong Baptist University, Hongkong, 12.-14. Mai 2014. - Inverse coefficient problems and shape reconstruction
Seminar Inverse Probleme/Optimierung, Darmstadt, 19. November 2013. - Inverse coefficient problems and shape reconstruction
18th ÖMG Congress and Annual DMV Meeting, University of Innsbruck, Österreich, 23.-27. September 2013. - Inverse coefficient problems and shape reconstruction
Applied Inverse Problem Conference, Korea Advanced Institute for Sciences and Technology, Daejeon, Südkorea, 1.-5. Juli 2013. - Inverse problems for the transient eddy current equation
Applied Inverse Problem Conference, Korea Advanced Institute for Sciences and Technology, Daejeon, Südkorea, 1.-5. Juli 2013. - Inverse parameter identification problems
Kolloquium ICP - Institute for Computational Physics, Stuttgart, 27. Juni 2013. - Inverse Probleme
Optikkreis, Institut für Technische Optik, Stuttgart, 12. Juni 2013. - Direct and Inverse Eddy Current Problems
IFIP TC7.2 Workshop "Electromagnetics - Modelling, Simulation, Control and Industrial Applications", Weierstrass Institute for Applied Analysis and Stochastics, Berlin, 13.-17. Mai 2013. - Inverse parameter identification problems
SimTech Colloquium Summer Term 2013, Stuttgart, 30. April 2013. - Recent progress on the factorization method for electrical impedance tomography
Inverse Problems: Scattering, Tomography and Parameter Identification, Bad Herrenalb, 8.-11. April 2013. - Direct and Inverse Eddy Current Problems
Department of Mathematics and Applications, École Normale Supérieure, Paris, Frankreich, 29. März 2013. - Combining frequency-difference EIT with ultrasound modulated EIT
Department of Computational Science and Engineering (CSE), Yonsei University, Seoul, Südkorea, 13. Februar 2013. - Fast shape-reconstruction in electrical impedance tomography
Chinese-German Symposium on Inverse Problems, Saarbrücken, 07.-11. Oktober 2012. - Fast shape-reconstruction in electrical impedance tomography
The Sixth International Conference "Inverse Problems: Modeling and Simulation ", Antalya, Türkei, 21.-26. Mai 2012. - Tikhonov regularization in inverse problems: From basics to applications
CSE Special Lecture, Yonsei University, Seoul, Südkorea, 16. März 2012. - Monotony based shape-reconstruction in electrical impedance tomography
Inverse problems and numerical methods in applications, Institut für Werkstofftechnik, Universität Bremen, 8.-9. März 2012. - Inverse Eddy Current Problems
Oberwolfach Workshop on Inverse Problems for Partial Differential Equations, Oberwolfach, 19.-25. Februar 2012. - Fast shape-reconstruction in electrical impedance tomography
DMV Jahrestagung, Köln, Germany, 19.-22. September 2011. - Monotonicity Methods in Electrical Impedance Tomography
ICIAM 2011, Vancouver, BC, Canada, 18.-22. Juli 2011. - Simultaneous identification of multiple coefficients in an elliptic PDE
SIAM Conference on Optimization, Darmstadt, Germany, 16.-19. Mai 2011. - Computertomographie - wie Mathematik Unsichtbares sichtbar macht,
TUM-Schülertag Mathematik, Technische Universität München, Germany, 4. November 2010. - Monotony Based Imaging in EIT,
ICNAAM 2010, Rhodes, Greece, 19.-25. September 2010. - Exact shape-reconstruction by one-step linearization in EIT,
Yonsei University, Seoul, South Korea, 5. August 2010. - Computertomographie - wie Mathematik Unsichtbares sichtbar macht,
11. Tag der Mathematik für Schülerinnen und Schüler, Technische Universität München, 3. Juli 2010. - Novel tomography techniques and parameter identification problems,
Colloquium of the Institute of Biomathematics and Biometry, Helmholtz Zentrum München, 23. Juni 2010. - Localized potentials for elliptic inverse coefficient problems,
Inverse Problems, Computation, and Applications, CIRM Luminy, France, 31. Mai - 4. Juni 2010. - Localized potentials for elliptic inverse coefficient problems,
The 8th AIMS Conference on Dynamical Systems, Differential Equations and Applications, Dresden, Germany, 25.-28. Mai 2010. - Exact shape-reconstruction by one-step linearization in electrical impedance tomography,
Oberwolfach Workshop on Mathematics and Algorithms in Tomography, Oberwolfach, Germany, 11.-17. April 2010. - Exact shape-reconstruction by one-step linearization in electrical impedance tomography,
15th Inverse Days, Luosto, Finland, 16.-18. Dezember 2009. - Uniqueness in optical tomography,
Yonsei University, Seoul, South Korea, 22. September 2009. - Simultaneous imaging of absorption and scattering in dc diffuse optical tomography,
World Congress 2009 - Medical Physics and Biomedical Engineering, Munich, Germany, 7.-12. September 2009. - EIT Lung Monitoring using the Factorization Method (AIP09movie.avi),
Conference on Applied Inverse Problems, Vienna, Austria, 20.-24. Juli 2009. - New uniqueness results in diffuse optical tomography,
Workshop on Electromagnetic Inverse Problems, Manchester, UK, 15.-18. Juni 2009. - Computertomographie -- wie Mathematik Unsichtbares sichtbar macht,
Vortrag zum Tag der offenen Tür an der Joh. Gutenberg Universität Mainz, 3. Februar 2009.
Eine schöne Ausarbeitung dieses Themas von Roland Griesmaier findet sich unter www.math.udel.edu/~griesmai/teaching/comptom.pdf. - Localized potentials and reconstruction methods for EIT (SeoulMovie1.avi, SeoulMovie2.avi),
Yonsei University, Seoul, South Korea, 25 September 2008. - Sampling methods for low-frequency electromagnetic imaging,
IS08 - SIAM Conference on Imaging Science, San Diego, CA, USA, 7.-9. Juli, 2008. - Detecting inclusions in complex conductivity EIT without reference measurements,
MIMS Workshop on New Directions in Tomographic Image Reconstruction, Manchester, UK, 30. Juni - 1. Juli 2008. - Low-frequency electromagnetic imaging with the factorization method,
MIMS Workshop on New Directions in Analytical and Numerical Methods for Forward and Inverse Wave Scattering, Manchester, UK, 23.-24. Juni 2008. - Monotonicity arguments in electrical impedance tomography,
NAM-Kolloquium, Georg-August-Universität Göttingen, Germany, 29. April 2008. - Detecting inclusions of mixed type in optical tomography,
Culminating Workshop of the RICAM Special Semester on Quantitative Biology analyzed by Mathematical Methods, Obergurgl, Austria, 22.-27. Januar 2008. - Lokalisierte Potentiale in der elektrischen Impendanztomographie,
Rhein-Main Arbeitskreis "Mathematics of Computation", Johannes Gutenberg-Universität Mainz, Germany, 23 November 2007. - Localized potentials in electrical impedance tomography,
Workshop on Bioimaging II / PDEs, Special Semester on Quantitative Biology analyzed by Mathematical Methods, RICAM, Linz, Austria, 19-23 November 2007. - Sampling methods for low-frequency electromagnetic imaging,
6th International Congress on Industrial and Applied Mathematics, Zurich, Switzerland, 16-20 July 2007. - Electric potentials with localized divergence properties,
AIP 2007 First International Congress of IPIA, Conference on Applied Inverse Problems 2007: Theoretical and Computational Aspects, University of British Columbia Campus, Vancouver, Canada, 25-29 June 2007. - Electric potentials with localized divergence properties,
AG Numerische Mathematik, Joh. Gutenberg-Universität Mainz, Germany, 11-15 June 2007. - Sampling methods for low-frequency electromagnetic imaging,
Oberwolfach workshop on Inverse Problems in Wave Scattering, Oberwolfach, 4-10 March 2007. - Detecting Interfaces in a Parabolic-Elliptic Problem,
Joint Mathematics Meetings of AMS and MAA, AMS Special Session on Nonsmooth Analysis in Inverse and Variational Problems, New Orleans, LA, USA, 5-8 Januar 2007. - Gebietserkennung in einem parabolisch-elliptischen Problem,
Darmstadt, Germany, 6 July 2006. - Detecting Interfaces in a Parabolic-Elliptic Problem from Surface Measurements,
SIAM Conference on Imaging Science, Minneapolis, MN, USA, 15-17 May 2006. - Detecting objects by low-frequency electromagnetic imaging,
77th Annual Meeting of the GAMM, Technische Universität Berlin, Germany, 27-31 March 2006. - Detecting magnetic objects using low frequency electromagnetic scattering,
Workgroup on Inverse Problems, Mathematical Institute II, University of Karlsruhe, Germany, 14 December 2005. - A sampling method for detecting buried objects,
Applied Inverse Problems 2005, Royal Agricultural College, Cirencester, UK, 26-30 June 2005. - The Factorization Method for a parabolic-elliptic problem,
Inverse Problems Workshop, organized by the Department of Computer Science, University of Innsbruck,Obergurgl, Austria, 11-13 April 2005. - The Factorization Method for Real Elliptic Problems,
76th Annual Meeting of the GAMM, Université du Luxembourg, 28 March - 1 April 2005.
Akademische Ausbildung und beruflicher Werdegang
- seit 10/2015: W3-Professor für Numerik partieller Differentialgleichungen, Goethe-Universität Frankfurt
- 03/2013 - 09/2015: W3-Professor, Leitung des Lehrstuhls für Optimierung und inverse Probleme, Universität Stuttgart
- 09/2011 - 02/2013: W2-Professor für Inverse Probleme, Universität Würzburg
- 04/2010 - 08/2011: W2-Professor für Angewandte Mathematik II (befristet auf 5 Jahre), Technische Universität München
- 02/2008 - 03/2010: Wissenschaftlicher Mitarbeiter, Universität Mainz
- 10/2006 - 01/2008: Junior Scientist, Johann Radon Institute for Computational and Applied Mathematics (RICAM), Linz, Österreichische Akademie der Wissenschaften
- 07/2006: Promotion im Fach Mathematik, Universität Mainz
- 03/2002: Diplomabschluss Mathematik, Universität Mainz
Mitgliedschaften/Engagement
- Mitglied im Editorial Board von Communications on Analysis and Computation (seit 2023), Inverse Problems (seit 2019), Math. Methods Appl. Sci. (seit 2013) und ehemaliges Editorial Board Mitglied von Inverse Probl. Sci. Eng. (2014-2021).
- Vertrauensdozent der Studienstiftung des deutschen Volkes (seit 2017)
- Schatzmeister der Inverse Problems International Association IPIA (seit 2022)
- Mitglied in DHV, DMV, Friends of Oberwolfach, GAMM, Gesellschaft für inverse Probleme, IEEE, IPIA, SIAM
Auszeichnungen und Stipendien
- Robert Bartnik Visiting Fellowship an die Monash University, Melbourne, Australien (09/2017)
- MediaV Young Researcher Award (06/2016)
- Dissertationspreis der Freunde der Universität Mainz e.V. (06/2007)
- General Membership am Institute for Mathematics and Its Applications, University of Minnesota, Minneapolis, USA (05-06/2006)
- Stipendiat der Studienstiftung des deutschen Volkes (02/2000-03/2002)
Prof. Dr.
Bastian von Harrach-Sammet
Institut für Mathematik
Goethe-Universität Frankfurt am Main
Robert-Mayer-Str. 10
60325 Frankfurt am Main
Deutschland
Raum: 101
Telefon: +49 69 798 28622
E-Mail: harrach@math.uni-frankfurt.de
https://numerical.solutions
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