Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

 
 
Session Overview
Date: Tuesday, 05/Sept/2023
9:00am
-
10:00am
CP: Calderón Prizes
Location: ZHG 011
Chair: Barbara Kaltenbacher
10:00am
-
10:50am
Pl 3: Plenary lecture
Location: ZHG 011
Chair: Bastian Harrach
 

On the Fractional Calderon Problem

Angkana Rüland

10:50am
-
11:10am
C3: Coffee Break
Location: ZHG Foyer
11:10am
-
12:00pm
Pl 4: Plenary lecture
Location: ZHG 011
Chair: Mikko Salo
 

Microlocal applications to the study of marked length spectrum rigidity and lens rigidity in chaotic settings

Colin Guillarmou

12:00pm
-
1:30pm
LB2: Lunch Break
Location: Mensa
1:30pm
-
3:30pm
MS02 1: Advances in regularization for some classes of nonlinear inverse problems
Location: VG1.102
Chair: Bernd Hofmann
Chair: Robert Plato
 

Deautoconvolution in the two-dimensional case

Yu Deng, Bernd Hofmann, Frank Werner



Efficient minimization of variational functionals via semismooth* Newton methods

Simon Hubmer, Ronny Ramlau



Convergence Nestorov acceleration for linear ill-posed problems

Stefan Kindermann



Analysis of the discrepancy principle for Tikhonov regularization under low order source conditions

Chantal Klinkhammer, Robert Plato

MS04 1: Statistical and computational aspects of non-linear inverse problems
Location: VG2.102
Chair: Richard Nickl
Chair: Sven Wang
 

Surface finite element approximation of Gaussian random fields on Riemannian manifolds

Annika Lang



Concentration analysis of multivariate elliptic diffusions

Cathrine Aeckerle-Willems, Claudia Strauch, Lukas Trottner



A Bernstein-von-Mises theorem for the Calder\'{o}n problem with piecewise constant conductivities

Jan Bohr



Bayesian estimation in a multidimensional diffusion model with high frequency data

Marc Hoffmann, Kolyan Ray

MS14 3: Inverse Modelling with Applications
Location: VG1.104
Chair: Daniel Lesnic
Chair: Karel Van Bockstal
 

Inverse Problems for Generalized Subdiffusion Equations

Nataliia Kinash



Numerical solution to inverse source problems for a parabolic equation with nonlocal conditions

Anar Rahimov, Kamil Aida-zade



Advances in object characterisation for metal detection inverse problems

Paul David Ledger, William R.B. Lionheart, James Elgy

MS18 3: Inverse problems for fractional and nonlocal equations
Location: VG1.103
Chair: Yi-Hsuan Lin
Chair: Jesse Railo
Chair: Mikko Salo
 

Inverse Problems for Subdiffusion from Observation at an Unknown Terminal Time

Bangti Jin



UCP and counterexamples to UCP involving generalized ray transforms

Venky Krishnan



An inverse problem related to fractional wave equation

Pu-Zhao Kow

MS19 1: Theory and algorithms of super-resolution in imaging and inverse problems
Location: VG3.103
Chair: Habib Ammari
Chair: Ping Liu
 

Stability and super-resolution of MUSIC and ESPRIT for multi-snapshot spectral estimation

Weilin Li



A Mathematical Theory of Computational Resolution Limit and Super-resolution

Ping Liu, Habib Ammari



Total variation regularized problems: a support stability result

Yohann De Castro, Vincent Duval, Romain Petit



Theoretical and numerical off-the-grid curve reconstruction

Bastien Laville, Laure Blanc-Féraud, Gilles Aubert

MS21 1: Prior Information in Inverse Problems
Location: VG2.103
Chair: Andreas Horst
Chair: Jakob Lemvig
 

Reconstructing spatio-temporal, sparse tomographic data using cylindrical shearlets

Tatiana Alessandra Bubba



Fractal priors for imaging using random wavelet trees

Samuli Siltanen



Sampling from a posterior with Besov prior

Andreas Horst, Babak Maboudi Afkham, Yiqiu Dong, Jakob Lemvig



Regularizing Inverse Problems through Translation Invariant Diagonal Frame Decompositions

Jürgen Frikel

MS22 1: Imaging with Non-Linear Measurements: Tomography and Reconstruction from Phaseless or Folded Data
Location: VG1.101
Chair: Matthias Beckmann
Chair: Robert Beinert
Chair: Michael Quellmalz
 

Gradient Methods for Blind Ptychography

Oleh Melnyk



Inversion of the Modulo Radon Transform via Orthogonal Matching Pursuit

Matthias Beckmann



Phaseless sampling of the short-time Fourier transform

Lukas Liehr



Phase Retrieval in Optical Diffraction Tomography

Robert Beinert, Michael Quellmalz

MS28 1: Modelling and optimisation in non-Euclidean settings for inverse problems
Location: VG1.108
Chair: Luca Calatroni
Chair: Claudio Estatico
Chair: Dirk Lorenz
 

A lifted Bregman formulation for the inversion of deep neural networks

Xiaoyu Wang, Martin Benning



A Bregman-Kaczmarz method for nonlinear systems of equations

Maximilian Winkler



Regularization in non-Euclidean spaces meets numerical linear algebra

Claudio Estatico, Brigida Bonino, Luca Calatroni, Fabio Di Benedetto, Marta Lazzaretti, Flavia Lenti

MS29 3: Eigenvalues in inverse scattering
Location: VG3.104
Chair: Martin Halla
Chair: Peter Monk
 

A new family of nearly singular interior transmission eigenvalues for inverse scattering

Martin Halla



Interior transmission problems related to imaging periodic layers

Houssem Haddar, Nouha Jenhani



Transparent scatterers and transmission eigenvalues of infinite multiplicity

Roman Novikov, Piotr G. Grinevich

MS38 1: Inverse eigenvalue problems in astrophysics
Location: VG2.105
Chair: Charlotte Gehan
Chair: Damien Fournier
 

No planet is an island: what we can learn from how Saturn interacts with its surroundings

Janosz Walker Dewberry



Inversion methods in asteroseismology

Daniel Roy Reese



Internal structure of giant planets from gravity data

Florian Debras, Gilles Chabrier



Accurate asteroseismic surface rotation rates for evolved red giants

Felix Ahlborn, Earl P. Bellinger, Saskia Hekker, Sarbani Basu, Daria Mokrytska

MS40: Dynamic Imaging
Location: VG2.107
Chair: Peter Elbau
 

Iterative and data-driven motion compensation in tomography

Bernadette Hahn, Mathias Feinler



Sparse optimization algorithms for dynamic imaging

Silvio Fanzon, Kristian Bredies, Marcello Carioni, Francisco Romero, Daniel Walter



New approaches for reconstruction in dynamic nano-CT imaging

Anne Wald, Björn Ehlers, Alice Oberacker, Bernadette Hahn-Rigaud, Tim Salditt, Jens Lucht



Artifact reduction for time dependent image reconstruction in magnetic particle imaging

Christina Brandt, Stephanie Blanke

MS47 1: Scattering and spectral imaging: inverse problems and algorithms
Location: VG3.101
Chair: Eric Todd Quinto
Chair: Gael Rigaud
 

Microlocal properties and injectivity for Ellipsoidal and hyperbolic Radon transforms

James Webber, Sean Holman, Eric Todd Quinto



Motion detection in diffraction tomography

Michael Quellmalz, Peter Elbau, Otmar Scherzer, Gabriele Steidl



Deep learning to tackle model inexactness and motion in Compton Scattering Tomography

Gael Rigaud, David Frank



Diffusion based regularization for multi-energy CT with limited data

Bernadette Hahn-Rigaud, Gaël Rigaud, Richard Schmähl

MS49 1: Applied parameter identification in physics
Location: VG3.102
Chair: Tram Nguyen
Chair: Anne Wald
 

Photoacoustic imaging in acoustic attenuating media

Otmar Scherzer, Peter Elbau, Cong Shi



Fully Stochastic Reconstruction Methods in Coupled Physics Imaging

Simon Robert Arridge



Some coefficient identification problems from boundary data satisfying range invariance for Newton type methods

Barbara Kaltenbacher



Traction force microscopy – a testbed for solving the inverse problem of elasticity

Ulrich Schwarz

MS52 3: Integral geometry, rigidity and geometric inverse problems
Location: VG1.105
Chair: Francois Sylvain Monard
Chair: Plamen Stefanov
 

Marked length spectrum rigidity for Anosov surfaces

Thibault Lefeuvre



Weakly nonlinear geometric optics for the Westervelt equation

Nikolas Eptaminitakis

MS58 1: Shape Optimization and Inverse Problems
Location: VG2.104
Chair: Lekbir Afraites
Chair: Antoine Laurain
Chair: Julius Fergy Tiongson Rabago
 

Isogeometric Shape Optimization of Periodic Structures in Three Dimensions

Helmut Harbrecht, Michael Multerer, Remo von Rickenbach



Stokes Traction Method: A Numerical Approach to Volume Constrained Shape Optimization Problems

John Sebastian Hoseña Simon



Non-conventional shape optimization methods for solving shape inverse problems

Julius Fergy Tiongson Rabago, Lekbir Afraites, Aissam Hadri

 
3:30pm
-
4:00pm
C4: Coffee Break
Location: ZHG Foyer
4:00pm
-
6:00pm
MS02 2: Advances in regularization for some classes of nonlinear inverse problems
Location: VG1.102
Chair: Bernd Hofmann
Chair: Robert Plato
 

New results for variational regularization with oversmoothing penalty term in Banach spaces

Bernd Hofmann, Chantal Klinkhammer, Robert Plato



Iterative regularization methods for non-linear ill-posed operator equations in Banach spaces

Pallavi Mahale



An Abstract Framework for Stochastic Elliptic Inverse Problems.

Akhtar Khan

MS04 2: Statistical and computational aspects of non-linear inverse problems
Location: VG2.102
Chair: Richard Nickl
Chair: Sven Wang
 

Parameter estimation for boundary conditions in ice sheet models

Fanny Seizilles



MCMC Methods for Low Frequency Diffusion Data

Matteo Giordano



Laplace priors and spatial inhomogeneity in Bayesian inverse problems

Sven Wang, Sergios Agapiou



Analysis of a localized non-linear ensemble Kalman-Bucy filter with sparse observations

Gottfried Hastermann, Jana de Wiljes

MS17: Machine Learning Techniques for Bayesian Inverse Problems
Location: VG1.104
Chair: Angelina Senchukova
 

Stochastic Normalizing Flows for Inverse Problems via Markov Chains

Paul Hagemann, Johannes Hertrich, Gabriele Steidl



Bayesian computation with Plug & Play priors for inverse problems in imaging

Remi Laumont, Valentin De bortoli, Andres Almansa, Julie Delon, Alain Durmus, Marcelo Pereyra



Edge-preserving inversion with heavy-tailed Bayesian neural networks priors

Angelina Senchukova, Felipe Uribe, Jana de Wiljes, Lassi Roininen

MS19 2: Theory and algorithms of super-resolution in imaging and inverse problems
Location: VG3.103
Chair: Habib Ammari
Chair: Ping Liu
 

IFF: A Super-resolution Algorithm for Multiple Measurements

Zetao Fei, Hai Zhang



Vectorized Hankel Lift: A Convex Approach for Blind Super-Resolution of Point Sources

Ke Wei



Super-resolved Lasso

Clarice Poon



Approximate inverse scattering via convex programming

Giovanni Alberti, Romain Petit, Matteo Santacesaria

MS21 2: Prior Information in Inverse Problems
Location: VG2.103
Chair: Andreas Horst
Chair: Jakob Lemvig
 

Regularized, pretrained and subspace-restricted Deep Image Prior for CT reconstruction

Riccardo Barbano, Javier Antorán, Johannes Leuschner, Bangti Jin, José Miguel Hernández-Lobato, Zeljko Kereta, Daniel Otero Baguer, Maximilian Schmidt, Alexander Denker, Andreas Hauptmann, Peter Maaß



Monitoring of hemorrhagic stroke using Electrical Impedance Tomography

Ville Kolehmainen



Edge-preserving inversion with $\alpha$-stable priors

Jarkko Suuronen, Tomás Soto, Neil Chada, Lassi Roininen



Optimal learning of high-dimensional classification problems using deep neural networks

Felix Voigtlaender

MS22 2: Imaging with Non-Linear Measurements: Tomography and Reconstruction from Phaseless or Folded Data
Location: VG1.101
Chair: Matthias Beckmann
Chair: Robert Beinert
Chair: Michael Quellmalz
 

Uniqueness theory for 3D phase retrieval and unwrapping

Albert Fannjiang



Interaction Models in Ptychography

Benedikt Diederichs



Tackling noise in multiple dimensions via hysteresis modulo sampling

Dorian Florescu, Ayush Bhandari



Multi-window STFT phase retrieval

Martin Rathmair

MS23 1: Recent developments in reconstruction methods for inverse scattering and electrical impedance tomography
Location: VG1.103
Chair: Roland Griesmaier
Chair: Nuutti Hyvönen
 

Nonlinear impedance boundary conditions in inverse obstacle scattering

Leonie Fink



Far field operator splitting and completion for inhomogeneous medium scattering

Lisa Schätzle



Uniqueness, error bounds and global convergence for an inverse Robin transmission problem with a finite number of electrodes

Andrej Brojatsch



Subspace surrogate methods for Electrical Impedance Tomography

Antti Oskari Autio, Antti Hannukainen

MS28 2: Modelling and optimisation in non-Euclidean settings for inverse problems
Location: VG1.108
Chair: Luca Calatroni
Chair: Claudio Estatico
Chair: Dirk Lorenz
 

Gradient descent-based algorithms for inverse problems in variable exponent Lebesgue spaces

Marta Lazzaretti, Zeljko Kereta, Luca Calatroni, Claudio Estatico



Multiscale hierarchical decomposition methods for images corrupted by multiplicative noise

Joel Barnett, Wen Li, Elena Resmerita, Luminita Vese



Proximal point algorithm in spaces with semidefinite inner product

Emanuele Naldi, Enis Chenchene, Dirk A. Lorenz, Jannis Marquardt



Asymptotic linear convergence of fully-corrective generalized conditional gradient methods

Kristian Bredies, Marcello Carioni, Silvio Fanzon, Daniel Walter

MS38 2: Inverse eigenvalue problems in astrophysics
Location: VG2.105
Chair: Charlotte Gehan
Chair: Damien Fournier
 

Mode identification in rapidly-rotating stars: paving the way to inverse methods

Giovanni M Mirouh



Progress in Asteroseismology: Where We Stand and Where We'll Go

Earl Bellinger



Helioseismic inversions for active latitudes

Samarth Ganesh Kashyap, Laurent Gizon



Probing solar turbulent viscosity with inertial modes

Jordan Philidet, Laurent Gizon

MS42: Inverse Problems with Anisotropy
Location: VG3.104
Chair: Kim Knudsen
 

A density property for tensor products of gradients of harmonic functions

Catalin Ion Carstea



Reconstructing anisotropic conductivities on manifolds

Hjørdis Amanda Schlüter



Imaging anisotropic conductivities from current densities

Bangti Jin



Stability and reconstruction for anisotropic inverse problems.

Romina Gaburro

MS45 1: Optimal Transport meets Inverse Problems
Location: VG0.111
Chair: Marcello Carioni
Chair: Jan-F. Pietschmann
Chair: Matthias Schlottbom
 

Efficient adversarial regularization for inverse problems

Subhadip Mukherjee, Marcello Carioni, Ozan Öktem, Carola-Bibiane Schönlieb



Data Driven Gradient Flows

Jan-F. Pietschmann, Matthias Schlottbom



The quadratic Wasserstein metric for inverse data matching

Björn Engquist, Kui Ren, Yunan Yang



Quadratic regularization of optimal transport problems

Dirk Lorenz, Hinrich Mahler, Paul Manns, Christian Meyer

MS47 2: Scattering and spectral imaging: inverse problems and algorithms
Location: VG3.101
Chair: Eric Todd Quinto
Chair: Gael Rigaud
 

V-line tensor tomography

Gaik Ambartsoumian, Mohammad Javad Latifi, Rohit Kumar Mishra, Indrani Zamindar



Optimal parameter design for spectral CT

Fatma Terzioglu, Guillaume Bal, Emil Sidky



Gamma ray imaging with bidirectional Compton cameras

Lorenz Kuger, Martin Burger



A hybrid algorithm for material decomposition in multi-energy CT

Lukas Neumann, Markus Haltmeier, Thomas Prohaszka

MS49 2: Applied parameter identification in physics
Location: VG3.102
Chair: Tram Nguyen
Chair: Anne Wald
 

A phase-field approach to shape optimization of acoustic waves in dissipative media

Vanja Nikolic



Parameter identification in helioseismology

Damien Fournier



Parameter identification in magnetization models for large ensembles of magnetic nanoparticles

Hannes Albers, Tobias Kluth



Lipschitz stable determination of polyhedral conductivity inclusions from local boundary measurements

Andrea Aspri

MS54 3: The x-ray transform and its generalizations: Theory, methods, and applications
Location: VG1.105
Chair: Suman Kumar Sahoo
 

The Calderón problem for space-time fractional parabolic operators with variable coefficients

Agnid Banerjee, Soumen Senapati



Rich tomography reconstruction problems in applications.

William Lionheart



Localized artifacts in medical imaging

Rima Alaifari



Explicit inversion of momentum ray transform

Shubham Ramkisan Jathar

MS57 3: Inverse Problems in Time-Domain Imaging at the Small Scales
Location: VG2.107
Chair: Eric Bonnetier
Chair: Xinlin Cao
Chair: Mourad Sini
 

The electromagnetic waves generated by a cluster of nanoparticles with high refractive indices and corresponding effective medium theory.

Xinlin Cao



Galerkin Foldy-Lax asymptotic models for time-domain scattering by small particles

Maryna Kachanovska



Electromagnetic waves generated by a moving dielectric under the special relativity assumptions

Manas Kar

MS58 2: Shape Optimization and Inverse Problems
Location: VG2.104
Chair: Lekbir Afraites
Chair: Antoine Laurain
Chair: Julius Fergy Tiongson Rabago
 

Minimization of blood damage induced by non-newtonian fluid flows in moving domains

Valentin Calisti, Sarka Necasova



On the new coupled complex boundary method for shape inverse problem with the Robin homogeneous condition

Lekbir Afraites, Julius Fergy T. Rabago



Shape optimization approach for sharp-interface reconstructions in time-domain full waveform inversion.

Antoine Laurain


 
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