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
Location: Unitobler, F023
104 seats, 126m^2
Date: Tuesday, 09/Jul/2019
10:00am
-
12:00pm
MS142: Algebraic geometry of low-rank matrix completion
Location: Unitobler, F023
 
10:00am - 12:00pm

Algebraic geometry of low-rank matrix completion

Chair(s): Carlos Améndola (TU Munich), Daniel Irving Bernstein (MIT)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

Real geometry of matrix completion

Rainer Sinn
FU Berlin

 

Low algebraic dimension matrix completion

Greg Ongie
U Chicago

 

The tropical Cayley-Menger variety

Daniel Irving Bernstein
MIT

 

Unlabelled global rigidity and low-rank matrix completion

Louis Theran
University of St. Andrews

3:00pm
-
5:00pm
MS187, part 1: Signature tensors of paths
Location: Unitobler, F023
 
3:00pm - 5:00pm

Signature tensors of paths

Chair(s): Carlos Améndola (TU Munich), Joscha Diehl (MPI Leipzig), Francesco Galuppi (MPI Leipzig), Anna Seigal (UC Berkeley)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

Varieties of signature tensors

Carlos Améndola
TU Munich

 

Learning paths from signature tensors

Max Pfeffer
MPI Leipzig

 

Signatures of paths: an algebraic perspective

Laura Colmenarejo
MPI Leipzig

 

Signatures of paths transformed by polynomial maps

Rosa Preiss
TU Berlin


Date: Wednesday, 10/Jul/2019
10:00am
-
12:00pm
MS163: Theory and methods for tensor decomposition
Location: Unitobler, F023
 
10:00am - 12:00pm

Theory and methods for tensor decomposition

Chair(s): Tamara Kolda (Sandia National Laboratories), Elina Robeva (MIT)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

A nearly optimal algorithm to decompose binary forms

Elias Tsigaridas
Inria Paris

 

On convergence of matrix and tensor approximate diagonalization algorithms by unitary transformations

Konstantin Usevich1, Jianze Li2, Pierre Comon3
1CNRS and University of Lorraine, 2No affiliation, 3CNRS, Université Grenoble Alpes

 

Non-linear singular value decomposition

Mariya Ishteva1, Philippe Dreesen2
1Free University Brussels, 2Vrije Universiteit Brussel (VUB)

 

A symmetrization approach to hypermatrix {SVD}

Edinah Gnang
Johns Hopkins University

3:00pm
-
5:00pm
MS187, part 2: Signature tensors of paths
Location: Unitobler, F023
 
3:00pm - 5:00pm

Signature tensors of paths

Chair(s): Carlos Améndola (TU Munich), Joscha Diehl (MPI Leipzig), Francesco Galuppi (MPI Leipzig), Anna Seigal (UC Berkeley)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

Invariants of the iterated-integral signature

Joscha Diehl
MPI Leipzig

 

The areas of areas problem

Jeremy Reizenstein
University of Warwick

 

Persistence paths and signature features in topological data analysis

Ilya Chevyrev
Oxford University

 

Character groups of Hopf algebras and their applications

Alexander Schmeding
TU Berlin


Date: Thursday, 11/Jul/2019
10:00am
-
12:00pm
MS124, part 1: The algebra and geometry of tensors 1: general tensors
Location: Unitobler, F023
 
10:00am - 12:00pm

The algebra and geometry of tensors 1: general tensors

Chair(s): Yang Qi (University of Chicago, United States of America), Nick Vannieuwenhoven (KU Leuven)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

The distance function from a real algebraic variety

Giorgio Ottaviani
Università di Firenze

 

Algorithms for rank, tangential and cactus decompositions of polynomials

Alessandra Bernardi
University of Trento

 

Pencil-based algorithms for tensor rank decomposition are not stable

Paul Breiding
Max-Planck-Institute for Mathematics in the Sciences

 

Identifiability of a general polynomial

Francesco Galuppi
Max-Planck-Institute for Mathematics in the Sciences

3:00pm
-
5:00pm
MS124, part 2: The algebra and geometry of tensors 1: general tensors
Location: Unitobler, F023
 
3:00pm - 5:00pm

The algebra and geometry of tensors 1: general tensors

Chair(s): Yang Qi (University of Chicago, United States of America), Nick Vannieuwenhoven (KU Leuven)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

Bounds on the rank general and special results

Enrico Carlini
Politecnico di Torino

 

On the identifiability of ternary forms beyond the Kruskal's bound

Elena Angelini
Universita di Siena

 

Variants of Comon's problem via simultaneous ranks

Alessandro Oneto
Universitat Politècnica de Catalunya

 

Complex best r-term approximations almost always exist in finite dimensions

Lek-Heng Lim
University of Chicago


Date: Friday, 12/Jul/2019
10:00am
-
12:00pm
MS124, part 3: The algebra and geometry of tensors 1: general tensors
Location: Unitobler, F023
 
10:00am - 12:00pm

The algebra and geometry of tensors 1: general tensors

Chair(s): Yang Qi (University of Chicago, United States of America), Nick Vannieuwenhoven (KU Leuven)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

Apolarity for border rank

Jarosław Buczyński
Polish Academy of Sciences

 

Symmetric tensor decompositions on varieties

Ke Ye
Chinese Academy of Sciences

 

Tensors under the congruence action

Anna Seigal
UC Berkeley

 

Rank additivity for small three-way tensors

Filip Rupniewski
Polish Academy of Sciences

3:00pm
-
5:00pm
MS127, part 1: The algebra and geometry of tensors 2: structured tensors
Location: Unitobler, F023
 
3:00pm - 5:00pm

The algebra and geometry of tensors 2: structured tensors

Chair(s): Elena Angelini (Università degli studi di Siena), Enrico Carlini (Politecnico di Torino), Alessandro Oneto (Barcelona Graduate School of Mathematics)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

Projective geometry and tensor identifiability

Massimiliano Mella
Università di Ferrara

 

A bound for the Waring rank of the determinant via syzygies

Zach Teitler
Boise State University

 

On the identifiability of ternary forms

Luca Chiantini
Università degli studi di Siena

 

Real Waring Rank Geometry of Quaternary Forms

Hyunsuk Moon
National Institute for Mathematical Sciences


Date: Saturday, 13/Jul/2019
10:00am
-
12:00pm
MS127, part 2: The algebra and geometry of tensors 2: structured tensors
Location: Unitobler, F023
 
10:00am - 12:00pm

The algebra and geometry of tensors 2: structured tensors

Chair(s): Elena Angelini (Università degli studi di Siena), Enrico Carlini (Politecnico di Torino), Alessandro Oneto (Humboldt Fundation, and Otto-von-Guericke-Universität Magdeburg)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

The monic rank

Jan Draisma
Universität Bern

 

The average condition number of tensor rank decomposition is infinite

Nick Vannieuwenhoven
KU Leuven

 

Symmetry groups of tensors

Emanuele Ventura
Texas A&M

 

On the rank preserving property of linear sections and its applications in tensors

Yang Qi
University of Chicago

3:00pm
-
5:00pm
MS127, part 3: The algebra and geometry of tensors 2: structured tensors
Location: Unitobler, F023
 
3:00pm - 5:00pm

The algebra and geometry of tensors 2: structured tensors

Chair(s): Elena Angelini (Università degli studi di Siena), Enrico Carlini (Politecnico di Torino), Alessandro Oneto (Barcelona Graduate School of Mathematics)

 

(25 minutes for each presentation, including questions, followed by a 5-minute break; in case of x<4 talks, the first x slots are used unless indicated otherwise)

 

Varieties of tensor decompositions and multi secants to curves and surfaces

Kristian Ranestad
University of Oslo

 

Varieties of Hankel matrices and their secant varieties

Hirotachi Abo
University of Idaho

 

Tensor decomposition, sparse representation and moment varieties

Bernard Mourrain
INRIA

 

The Distance Function from the Variety of Rank One Partially-Symmetric Tensors

Luca Sodomaco
Università di Firenze