## Talks and posters

### 2020

- Minisymposium: Optimization on manifolds: theory and numerics, DMV Annual meeting 2020, Chemnitz, Germany (online), 15 September 2020

On convergence of Jacobi-type methods for matrix and tensor approximate diagonalization - GDR ISIS one-day workshop on tensor decompositions (
**plenary talk**), online, 27 May 2020

Tensor rank, X-rank, and factorization of multivariate functions - Numerical Analysis seminar, Gran Sasso Science Institute, L'Aquila, 17 January 2020

On convergence of Jacobi-type methods for matrix and tensor approximate diagonalization

### 2019

- IEEE Conference on Decision and Control (CDC 2019), Nice, France, 13 December 2019

Software package for mosaic-Hankel structured low-rank approximation - IADI seminar, Nancy, France, 07 October 2019

Structured low-rank matrix completion for MRI reconstruction - Matrix Methods in Mathematics and Applications (MMMA 2019), Moscow, Russia, 21 August 2019

Low-rank factorization of functions: tensor-based approaches - International Congress on Industrial and Applied Mathematics (ICIAM 2019), Valencia, Spain, 18 July 2019

Approximate matrix and tensor diagonalization by unitary transformations: convergence of Jacobi-type Algorithms - SIAM conference on Applied Algebraic Geometry (SIAG 2019), Bern, Switzerland, 10 July 2019

On convergence of matrix and tensor approximate orthogonal/unitary diagonalization algorithms

### 2018

- 18th Annual Conference of the European Network for Business and Industrial Statistics (ENBIS 2018), Nancy, France, 4 September 2018

Structured Low-Rank Matrix Completion for Forecasting in Time Series Analysis - 14th International Conference on Latent Variable Analysis and Signal Separation (LVA ICA 2018), Guildford, UK, 3 July 2018

Convergence of Jacobi-Type Algorithms for Simultaneous Approximate Diagonalization of Matrices or Tensors (poster) - IEEE Statistical Signal Processing Workshop (SSP 2018), Freiburg, Germany, 11 June 2018

Characterization of finite signals with low-rank STFT (poster) - International conference on Approximation and Matrix Functions (AMF 2018), Lille, France, 1 June 2018

On convergence of Jacobi-type algorithms for simultaneous orthogonal symmetric tensor diagonalization (poster) - EOS Seminar, KU Leuven, Leuven, Belgium, 18 April 2018

On convergence of Jacobi-type algorithms for simultaneous orthogonal symmetric tensor diagonalization

### 2017

- Statistics seminar, Cardiff University, UK, 3 November 2017

Performance of the nuclear norm relaxation for Hankel matrix completion in the context of forecasting - SIAM Conference on Applied Algebraic Geometry,
*Georgia Tech*, Atlanta, USA, 4 August 2017

Hankel (and quasi-Hankel) matrix completion: performance of the nuclear norm relaxation - 21st Conference of the International Linear Algebra Society (ILAS),
*Iowa State University*, Ames, USA, 25 July 2017

Global convergence of Jacobi-type algorithms for symmetric tensor diagonalization - Signal processing - machine learning seminars, Aix-Marseille University, France, 7 July 2017

Globally convergent Jacobi-type algorithms for symmetric tensor diagonalization - CHESS and DECODA one-day workshop, Grenoble, France, 24 February 2017

Global convergence of Jacobi-type algorithms for simultaneous orthogonal tensor diagonalization - LVA-ICA 2017, Grenoble, France, 21 February 2017

High-resolution subspace-based methods: eigenvalue- or eigenvector-based estimation?

### 2016

- SBS seminar, CRAN, Nancy, 14 December 2016

Structured matrix and tensor low-rank approximations in signal processing - SIGMA'2016 (Signal-Image-Geometry-Modelling-Approximation), CIRM, Luminy, 3 November 2016

X-rank and identifiability for a polynomial decomposition model - EUSIPCO 2016, Budapest, Hungary, 30 August 2016

Optimal choice of Hankel-block-Hankel matrix shape in 2-D parameter estimation: the rank-one case - 20th Conference of the International Linear Algebra Society (ILAS), Leuven, Belgium, 14 July 2016

X-rank and identifiability for a polynomial decomposition model - CICS seminar, GIPSA-lab, 26 May 2016

X-rank and identifiability for a polynomial decomposition model - ATLAS workshop, Grenoble, 23 May 2016

On the choice of Hankel-block-Hankel matrix shape in 2-D parameter estimation (poster) - Cinquèmes journées d'approximation, Laboratoire Paul Painlevé, Lille, 20 May 2016

On the choice of Hankel-block-Hankel matrix shape in 2-D parameter estimation (poster) - ANEDP seminar, Laboratoire Paul Painlevé, Lille, 19 May 2016

Approximate (greatest) common divisor of polynomials, structured low-rank approximation and variable projection

### 2015

- VUB ELEC seminar, Brussel, Belgium, 18 November 2015

X-rank: parsimonious algebraic models in signal processing and system identification - SMAI SIGMA meeting, IHP, 2 November 2015

Structured low-rank matrix approximation and completion (invited talk) - GDR ISIS meeting on missing data, Marseille, France, 8 October 2015

Structured low-rank matrix completion: a convex relaxation - XXV
^{ème}Colloque Gretsi, Lyon, France, 8-11 September 2015

Structured low-rank matrix completion: a convex relaxation (poster) - 12th International Conference on Latent Variable Analysis and Signal Separation (LVA/ICA 2015), Liberec, Czech Republic, 25-28 August 2015

A Polynomial Formulation for Joint Decomposition of Symmetric Tensors of Different Orders - Summer school BigOptim 2015 (Large-scale convex optimization: Proximal algorithms and applications Grenoble), Grenoble, France, 29 June - 3 July 2015

Quasi-Hankel low-rank matrix completion: a convex relaxation (poster) - Sparse modelling and multi-exponential analysis seminar, Daghstuhl, Germany, 14-19 June 2015

Hankel and Quasi-Hankel low-rank matrix completion: a convex relaxatio - Low-rank Optimization and Applications, Bonn, Germany, 8-12 June 2015

Quasi-Hankel low-rank matrix completion: a convex relaxation - Structured Matrix Days, Limoges, France, 4-5 June 2015

Structured low-rank matrix completion with nuclear norm minimization: the case of Hankel and quasi-Hankel matrices - Workshop on Structured Low-Rank Approximation (SLRA 2015), Grenoble, France, 1-2 June 2015

Quasi-Hankel low-rank matrix completion: a convex relaxation (poster) - GIPSA doctorants/postdoctorants seminar, Grenoble, France, 4 March 2015

Adjusted least squares estimator for algebraic hypersurface fitting - CICS Seminar, GIPSA-lab Grenoble, France, 5 and 13 February 2015

Symmetric tensor decomposition, matrix completion and nuclear norm minimization

## 2014

- Structured Numerical Linear and Multilinear Algebra Problems: Analysis, Algorithms, and Applications (SLA 2014), Kalamata, Greece, 8-12 September 2014

Adjusted least squares estimator for algebraic hypersurface fitting - The 21st International Symposium on Mathematical Theory of Networks and Systems (MTNS 2014), Groningen, The Netherlands, 7-11 July 2014

“System identification in the behavioral setting: A low-rank approximation approach” (mini-course, together with I. Markovsky and M. Ishteva) - The 21st International Symposium on Mathematical Theory of Networks and Systems (MTNS 2014), Groningen, The Netherlands, 7-11 July 2014

“Decomposing multivariate polynomials with structured low-rank approximation” - Polynomial Computer Algebra ’2014, Euler International Mathematical Institute, St. Petersburg, Russia, 14-19 April 2014

“Structured matrix computations for Waring type decompositions of multivariate polynomials” - 33rd Benelux Meeting on Systems and Control, Centerparcs Heijderbos, Nijmegen, The Netherlands, 25-27 March 2014

“Adjusted least squares estimator for algebraic hypersurface fitting” (slides) - Images-Signal seminar, GIPSA lab, Grenoble, France, 13 February 2014

“Structured low-rank approximation: a tool for polynomial decompositions and other problems” (slides)

### 2013

- Optimal Decisions in Statistics and Data Analysis, Cardiff, UK, 16-18 December 2013

“Decomposing multivariate polynomials with structured low-rank approximation” (slides) - Seminar of the Department ELEC, Vrije Universiteit Brussel, Belgium, September 2013

“Decomposing multivariate polynomials with structured low-rank approximation” - Dolomites Research Week on Approximation, working group on low-rank approximation, Alba di Canazei, Italy, September 2013

“Adjusted least squares estimator for algebraic hypersurface fitting” - International Workshop on Advances in Regularization, Optimization, Kernel Methods and Support Vector Machines: theory and applications (ROKS 2013), Leuven, Belgium, July 2013

“Structured low-rank approximation as optimization on a Grassmann manifold” (slides) - IAP DYSCO Study Day: Synamical systems, control and optimizaltion, Mons, Belgium, 24 May 2013

“Variable projection methods for approximate (greatest) common divisor computations” (poster) - 32nd Benelux Meeting on Systems and Control, Houffalize, Belgium, March 2013

“Optimization on the Grassmann manifold: a case study” (slides)

### 2012

- Statistics and Operations Research seminar, School of Mathematics, Cardiff University, UK, October 2012

“Structured low-rank approximation and variable projection” (slides) - European Research Network on System Identification Workshop (ERNSI 2012), Maastricht, Netherlands, September 2012,

“Fast algorithms and software for weighted mosaic Hankel low-rank approximation” (poster) - Structured Numerical Linear and Multilinear Algebra Problems: Analysis, Algorithms, and Applications (SLA 2012), Leuven, Belgium, September 2012,

“Fast algorithms and software for weighted mosaic-Hankel-like low-rank approximation” (slides) - 37th International Symposium on Symbolic and Algebraic Computation (ISSAC 2012), Grenoble, France, July 2012,

“Variable projection methods for approximate GCD computations” (poster) - 16th IFAC Symposium on System Identification (SYSID 2012), Brussels, Belgium, July 2012,

“Structured Low-rank Approximation as a Rational Function Minimization” (slides) - 20th Mediterranean Conference on Control and Automation (MED 2012), Barcelona, Spain, July 2012,

“Improved initial approximation for errors-in-variables system identification” (slides) - Control seminar, CSPC group, University of Southampton, January 2012

“Structured Low-rank Approximation as a Rational Function Minimization” (slides)

### 2007-11

- International Conference on Polynomial Computer Algebra, Euler International Mathematical Institute, St. Petersburg, Russia, April 2011,

“Polynomial-exponential 2D data models, Hankel-block-Hankel matrices and zero-dimensional ideals” (slides) - PhD defense presentation, St. Petersburg State University, Russia, Feburary 2011 ,

“Singular spectrum analysis for temporal and spatial data processing” (slides, in Russian) - ISIS seminar, School of Electronics and Computer Science, University of Southampton, UK, December 2010

“Singular spectrum analysis for textured images” (slides) - UK-China workshop on singular spectrum analysis and its applications, Cardiff, UK, September 2010

“SSA for textured images” (slides) - 6th St.Petersburg Workshop on Simulation, St. Petersburg, Russia, July 2009

“An algebraic view on finite rank in 2D-SSA” (slides) - Statistics and Operations Research seminar, School of Mathematics, Cardiff University, UK, February 2008
- 2nd International Conference on Matrix Methods and Operator Equations, Moscow, Russia, July 2007

“SSA-based approach to decomposition of 2D scalar fields” (slides)