09.01.2018, 11:30 Uhr, Seminar on Nonlinear Algebra

• Khazhgali Kozhasov (SISSA, Trieste)
• On the condition number of the polynomial eigenvalue problem with random inputs

11.01.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Bart Vandereycken (Université de Genève)
• Time integration of rank-constrained Tucker tensors

16.01.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Ruriko Yoshida (Naval Postgraduate School)
• Tropical Principal Component Analysis and its Application to Phylogenetics

16.01.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Gaku Liu (MPI MIS, Leipzig)
• A counterexample to the extension space conjecture for realizable oriented matroids

23.01.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Madeleine Weinstein (University of California, Berkeley)
• Emil Horobet (Târgu-Mureş - Sapientia Hungarian University of Transylvania)
• Offset hypersurfaces and persistent homology of algebraic varieties

29.01.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Nils Bruin (Simon Fraser University, Burnaby)
• Determining the rational points on curves

30.01.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Jonathan Zachhuber (Johann Wolfgang Goethe-Universität)
• Counting Flat Surfaces with many Symmetries

05.02.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Kristin Shaw (MPI MIS, Leipzig)
• Bounding the Betti numbers of patchworked real hypersurfaces by Hodge numbers

06.02.2018, 10:00 Uhr, Seminar on Algebraic Statistics

• Bernd Sturmfels (MPI MIS, Leipzig)
• Varieties of Signature Tensors

06.02.2018, 11:00 Uhr, Seminar on Algebraic Statistics

• Joscha Diehl (MPI MIS, Leipzig)
• Invariants of Multidimensional Time Series Based on their Iterated Integral Signature

08.02.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Wanseok Lee (Pukyong National University, Busan, South Korea)
• On the decomposition of Betti tables of curves on rational normal surface scrolls

08.02.2018, 13:30 Uhr, Seminar on Nonlinear Algebra

• Johannes Rauh (MPI MIS, Leipzig)
• Approximating faces of marginal polytopes

13.02.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Madeline Brandt (University of California, Berkeley)
• Berkovich skeleta of curves

13.02.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Beatriz Pascual Escudero (Universidad Autónoma de Madrid)
• Invariants of singularities: from Nash to Hironaka

15.02.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Euisung Park (Korea University, Seoul)
• Regularity and Multisecant Lines

15.02.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Emilio Lauret (Humboldt-Universität zu Berlin)
• Can one hear the shape of a lens space via Ehrhart theory?

26.02.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Paul Breiding (MPI MIS, Leipzig)
• The spectral norm of tensors and quantum entanglement

27.02.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Amy Wiebe (University of Washington)
• The Slack Realization Space of a Polytope

27.02.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Antonio Lerario (SISSA, Trieste)
• Topology of intersection of real quadrics

01.03.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Avinash Kulkarni (Simon Fraser University, Burnaby)
• The arithmetic of uniquely trigonal genus 4 curves

06.03.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Katharina Jochemko (KTH Stockholm)
• H*-Polynomials of Dilated Polytopes

06.03.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Paul Breiding (MPI MIS, Leipzig)
• Tensors of rank r and their distance to the Terracini locus

13.03.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Daniel Kressner (Ecole polytechnique fédérale de Lausanne)
• Fast algorithms from low-rank updates

13.03.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Yang Qi (University of Chicago)
• Some geometric and topological problems arising from tensor computations

15.03.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Ivan Oseledets (Skoltech Moscow)
• Tensors, deep learning: new results and open problems

15.03.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Ekaterina Muravleva (Skoltech Moscow)
• Application of machine learning to viscoplastic flow modeling

20.03.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Christian Ikenmeyer (Max-Planck-Institut für Informatik)
• Implicit construction of polynomials by symmetrization of Young tableaux

20.03.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Cédric Lecouvey (Université François Rabelais, Tours)
• Combinatorics of Generalized exponents

04.04.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Corey Harris (MPI MIS, Leipzig)
• The rank 1 region in semi-definite programming

11.04.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Khazhgali Kozhasov (MPI MIS, Leipzig)
• On the geometry of the set of symmetric matrices with repeated eigenvalues

11.04.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Francesco Galuppi (MPI MIS, Leipzig)
• Identifiability of general homogeneous polynomials

18.04.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Piotr M. Hajac (IMPAN)
• An equivariant pullback structure of trimmable graph C*-algebras

18.04.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Milena Wrobel (MPI MIS, Leipzig)
• On Iteration of Cox rings

24.04.2018, 15:30 Uhr, Mathematics of Data Seminar

• Benjamin Recht (University of California, Berkeley)
• The statistical foundations of learning to control

25.04.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Eliana Maria Duarte Gelvez (Otto-von-Guericke Universität Magdeburg)
• Defining equations of probability tree models

25.04.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Daniele Agostini (MPI MIS, Leipzig)
• Discrete Gaussian distributions via theta functions

02.05.2018, 11:00 Uhr, Mathematics of Data Seminar

• Steffen Lauritzen (University of Copenhagen, Denmark)
• Max-linear Bayesian networks

09.05.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Alessio D'Ali (MPI MIS, Leipzig)
• Generalized Stanley-Reisner rings and translative group actions

09.05.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Yue Ren (MPI MIS, Leipzig)
• Space sextics and their tritangents

16.05.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Türkü Özlüm Çelik (MPI MIS, Leipzig)
• Computations of Thetanullwerte

16.05.2018, 09:40 Uhr, Seminar on Nonlinear Algebra

• Corey Harris (MPI MIS, Leipzig)
• Ideal containment via intersection theory

16.05.2018, 10:20 Uhr, Seminar on Nonlinear Algebra

• Tim Seynnaeve (MPI MIS, Leipzig)
• Uniform matrix product state representations

24.05.2018, 14:00 Uhr, Seminar on Nonlinear Algebra

• Rodica Dinu (University of Bucharest)
• Join-meet ideals of non-distributive lattices

30.05.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Sameera Vemulapalli (University of California, Berkeley, USA)
• Computing Unit Groups of Curves

30.05.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Tobias Finis (Universität Leipzig)
• Asymptotics of traces of Hecke operators and Arthur's trace formula

08.06.2018, 14:00 Uhr, Seminar on Nonlinear Algebra

• Myfanwy Evans (Technische Universität Berlin)
• Frank Lutz (Technische Universität Berlin)
• Algebraic and Geometric Problems in Material Science

11.06.2018, 10:00 Uhr, Student Seminar

• Lynn Chua (University of California, Berkeley)
• The Schottky Problem

11.06.2018, 10:25 Uhr, Student Seminar

• Jane Coons (North Carolina State University)
• The Cavender-Farris-Neyman Model with Molecular Clock

11.06.2018, 10:50 Uhr, Student Seminar

• Nidhi Kaihnsa (MPI MIS, Leipzig)
• How to Square a Linear Space

11.06.2018, 11:15 Uhr, Student Seminar

• Mahsa Sayyary Namin (MPI MIS, Leipzig)
• Tritangents and their Space Sextics

11.06.2018, 11:40 Uhr, Student Seminar

• Charles Wang (University of California, Berkeley)
• Cluster Algebras and the Lagrangian Grassmannian

11.06.2018, 12:05 Uhr, Student Seminar

• Madeleine Weinstein (University of California, Berkeley)
• Offset Hypersurfaces

13.06.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Danyu Yang (NTNU Trondheim, Norway)
• Algebraic flow

13.06.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Martin Stoll (TU Chemnitz)
• The Graph Laplacian: Semi-supervised learning, PDEs, and eigenvectors

15.06.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Ronan Terpereau (Institut de Mathématiques de Bourgogne)
• Automorphism groups of P1-bundles over rational surfaces

18.06.2018, 15:30 Uhr, Mathematics of Data Seminar

• Anna Seigal (University of California, Berkeley)
• Structured Tensors and the Geometry of Data

20.06.2018, 09:30 Uhr, Seminar on Nonlinear Algebra

• Christian Klein (Institut de Mathématiques de Bourgogne)
• Integrable PDEs and hyperelliptic functions

20.06.2018, 10:30 Uhr, Seminar on Nonlinear Algebra

• Emre Sertöz (MPI MIS, Leipzig)
• Computing periods without taking Riemann integrals

20.06.2018, 11:30 Uhr, Seminar on Nonlinear Algebra

• Jörg Frauendiener (University of Otago)
• Computational approach to compact Riemann surfaces

27.06.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Samuel Grushevsky (Stony Brook University, USA)
• An explicit weak solution to the classical Schottky problem

04.07.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• James Worrell (University of Oxford)
• Generating Polynomial Program Invariants

04.07.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Laura Colmenarejo (MPI MIS, Leipzig)
• What do we know about superspace?

11.07.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Joseph M. Landsberg (Texas A&M University)
• Tensors with continuous symmetry

11.07.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Yaroslav Shitov (National Research University Higher School of Economics)
• A counterexample to Strassen's direct sum conjecture

11.07.2018, 15:30 Uhr, Mathematics of Data Seminar

• Harald Oberhauser (University of Oxford)
• Learning laws of stochastic processes

18.07.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Anne Shiu (Texas A&M University)
• Harnessing steady-state parametrizations arising from reaction networks

18.07.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Nina Otter (MPI MIS, Leipzig)
• Magnitude meets persistence: homology theories for filtered simplicial sets

19.07.2018, 13:00 Uhr, Special Seminar

• Mario Kummer (Technische Universität Berlin)
• Rational Representations of Plane Spectrahedra

19.07.2018, 14:00 Uhr, Special Seminar

• Daniel Ciripoi (Friedrich Schiller University Jena)
• Approximating Spectrahedral Shadows

23.07.2018, 14:00 Uhr, Seminar on Nonlinear Algebra

• Gleb Smirnov (Scuola Internazionale Superiore di Studi Avanzati (SISSA))
• Symplectic mapping class groups of elliptic ruled surfaces

25.07.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Christophe Ritzenthaler (University de Rennes 1)
• Construction of genus 3 curves with complex multiplication over Q

25.07.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Ilya Chevyrev (University of Oxford, United Kingdom)
• Persistence paths and signature features in topological data analysis

01.08.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Bernd Sturmfels (MPI MIS, Leipzig)
• Moment Varieties of Measures on Polytopes

01.08.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Diego Cifuentes (MPI MIS, Leipzig)
• Chordal networks of polynomial ideals

08.08.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Lily Silverstein (University of California, Davis)
• Random Monomial Ideals

08.08.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Shmuel Onn (Technion - Israel Institute of Technology)
• An Effective Theory of Integer Optimization

14.08.2018, 16:30 Uhr, Mathematics of Data Seminar

• Afonso Bandeira (Courant Institute of Mathematical Sciences, New York)
• Statistical estimation under group actions: The Sample Complexity of Multi-Reference Alignment

22.08.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Francesca Arici (MPI MIS, Leipzig)
• A very brief introduction to graph algebras

22.08.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Charles Henry Alexander Curry (Norwegian University of Science and Technology)
• Algebra and numerical solution of ODEs

29.08.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Lara Bossinger (MPI MIS, Leipzig)
• Toric degenerations: a bridge between representation theory, tropical geometry and cluster algebras

29.08.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Marta Panizzut (Technische Universität Berlin)
• K3 polytopes and their quartic surfaces

05.09.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Rodica Dinu (University of Bucharest)
• Gorenstein t-spread Veronese algebras

05.09.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Christian Lehn (Technische Universität Chemnitz)
• Limit theorems in topological data analysis

12.09.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Azeem Khadam (Government College University, Lahore)
• The use of cumulants, secant varieties and toric geometry

12.09.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Tasuku Soma (University of Tokyo)
• Polynomial-Time Algorithms for Submodular Laplacian Systems

19.09.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Milena Wrobel (MPI MIS, Leipzig)
• Khovanskii bases of almost toric varieties

26.09.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

• Takahiro Nagaoka (Kyoto University)
• Deformations of hypertoric varieties and its applications

26.09.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Jonathan Spreer
• Separation-type combinatorial invariants for triangulations of manifolds

27.09.2018, 11:00 Uhr, Mathematics of Data Seminar

• Max von Renesse (Universität Leipzig)
• Topics in Deterministic and Stochastic Dynamical Systems on Wasserstein Space

02.10.2018, 15:00 Uhr, Seminar on Nonlinear Algebra

• Tatiana Gateva-Ivanova (MPI MIS, Leipzig + American University in Bulgaria)
• Associative algebras and Lie algebras defined by Lyndon words

09.10.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Markus Brodmann (Universität Zürich)
• Families of Blowups of the Real Affine Plane and their Visualisation

10.10.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Antoine Gautier (Universität des Saarlandes)
• Nonlinear Perron-Frobenius theorem for multi-homogeneous mappings

10.10.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• André Uschmajew (MPI MIS, Leipzig)
• Critical points of quadratic low-rank matrix optimization problems

17.10.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Max Pfeffer (MPI MIS, Leipzig)
• Learning paths from signature tensors

24.10.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Piotr Hajac (Polska Akademia Nauk)
• Operator algebras that one can see

24.10.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Mariusz Tobolski (Polska Akademia Nauk)
• Pullbacks of Leavitt path algebras from pushouts of graphs

01.11.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Chenqi Mou (Beihang University Beijing)
• Chordal Graphs in Triangular Decomposition in Top-Down Style

01.11.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Paul Breiding (MPI MIS, Leipzig)
• Pencil-based algorithms for tensor rank decomposition are not stable

08.11.2018, 11:00 Uhr, Mathematics of Data Seminar

• Benjamin Fehrmann (University of Oxford)
• Convergence rates for mean field stochastic gradient descent algorithms

15.11.2018, 13:00 Uhr, Seminar on Nonlinear Algebra

• Hanieh Keneshlou (MPI MIS, Leipzig)
• The unirationality of Hurwitz spaces

15.11.2018, 14:00 Uhr, Seminar on Nonlinear Algebra

• Avinash Kulkarni (MPI MIS, Leipzig)
• Tritangents of Space Sextics

19.11.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Alex Fink (Queen Mary University of London)
• Schubert varieties in Gaussian conditional independence

19.11.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Dominik Nagel (Universität Osnabrück)
• Condition numbers of Vandermonde matrices with nearly-colliding nodes

28.11.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Michal Lason (Polish Academy of Sciences, Warsaw)
• On some combinatorial properties of matroid base polytope

29.11.2018, 11:15 Uhr, Seminar on Nonlinear Algebra

• Andreas Maletti (Leipzig University)
• Characterizations of subregular tree languages

05.12.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Francesco Galuppi (MPI MIS, Leipzig)
• The Rough Veronese Variety

05.12.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Paul Görlach (MPI MIS, Leipzig)
• Detecting tropical defects of polynomial equations

11.12.2018, 15:00 Uhr, Seminar on Nonlinear Algebra

• Simon Telen (Katholieke Universiteit Leuven)
• Stabilized algebraic methods for multivariate polynomial root finding

12.12.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Orlando Marigliano (MPI MIS, Leipzig)
• Sampling from the uniform distribution on an algebraic manifold

12.12.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Francesca Arici (MPI MIS, Leipzig)
• Towards a notion of noncommutative Veronese variety

19.12.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

• Khazhgali Kozhasov (MPI MIS, Leipzig)
• Chebyshev polynomials and best rank-one approximation ratio

19.12.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

• Laura Colmenarejo (MPI MIS, Leipzig)
• Signature tensors for axis paths