Research group in Nonlinear Algebra

Head:
Bernd Sturmfels

Contact: Email
Phone:
+49 (0) 341 - 9959 - 750

Address:
Inselstr. 22
04103 Leipzig

Administrative Assistant:
Saskia Gutzschebauch
Email, Phone/Fax:
+49 (0) 341 - 9959
- 752
- 59752

Seminars - 2018

09.01.2018, 11:30 Uhr, Seminar on Nonlinear Algebra

11.01.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

  • Bart Vandereycken (Université de Genève)
  • Time integration of rank-constrained Tucker tensors
  • E1 05 (Leibniz-Saal)

16.01.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

16.01.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

23.01.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

29.01.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

30.01.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

05.02.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

06.02.2018, 10:00 Uhr, Seminar on Algebraic Statistics

  • Bernd Sturmfels (MPI MIS, Leipzig)
  • Varieties of Signature Tensors
  • E1 05 (Leibniz-Saal)

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
  • E1 05 (Leibniz-Saal)

08.02.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

08.02.2018, 13:30 Uhr, Seminar on Nonlinear Algebra

13.02.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

  • Madeline Brandt (University of California, Berkeley)
  • Berkovich skeleta of curves
  • E1 05 (Leibniz-Saal)

13.02.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

15.02.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

15.02.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

26.02.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

  • Paul Breiding (MPI MIS, Leipzig)
  • The spectral norm of tensors and quantum entanglement
  • G3 10 (Hörsaal)

27.02.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

  • Amy Wiebe (University of Washington)
  • The Slack Realization Space of a Polytope
  • E1 05 (Leibniz-Saal)

27.02.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

  • Antonio Lerario (SISSA, Trieste)
  • Topology of intersection of real quadrics
  • E1 05 (Leibniz-Saal)

01.03.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

06.03.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

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
  • E1 05 (Leibniz-Saal)

13.03.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

13.03.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

  • Yang Qi (University of Chicago)
  • Some geometric and topological problems arising from tensor computations
  • E1 05 (Leibniz-Saal)

15.03.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

15.03.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

20.03.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

20.03.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

04.04.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

  • Corey Harris (MPI MIS, Leipzig)
  • The rank 1 region in semi-definite programming
  • E1 05 (Leibniz-Saal)

11.04.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

11.04.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

18.04.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

18.04.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

  • Milena Wrobel (MPI MIS, Leipzig)
  • On Iteration of Cox rings
  • E1 05 (Leibniz-Saal)

24.04.2018, 15:30 Uhr, Mathematics of Data Seminar

25.04.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

25.04.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

02.05.2018, 11:00 Uhr, Mathematics of Data Seminar

09.05.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

09.05.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

  • Yue Ren (MPI MIS, Leipzig)
  • Space sextics and their tritangents
  • E1 05 (Leibniz-Saal)

16.05.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

  • Türkü Özlüm Çelik (MPI MIS, Leipzig)
  • Computations of Thetanullwerte
  • E1 05 (Leibniz-Saal)

16.05.2018, 09:40 Uhr, Seminar on Nonlinear Algebra

  • Corey Harris (MPI MIS, Leipzig)
  • Ideal containment via intersection theory
  • E1 05 (Leibniz-Saal)

16.05.2018, 10:20 Uhr, Seminar on Nonlinear Algebra

  • Tim Seynnaeve (MPI MIS, Leipzig)
  • Uniform matrix product state representations
  • E1 05 (Leibniz-Saal)

24.05.2018, 14:00 Uhr, Seminar on Nonlinear Algebra

30.05.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

30.05.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

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
  • G3 10 (Hörsaal)

11.06.2018, 10:00 Uhr, Student Seminar

  • Lynn Chua (University of California, Berkeley)
  • The Schottky Problem
  • E1 05 (Leibniz-Saal)

11.06.2018, 10:25 Uhr, Student Seminar

  • Jane Coons (North Carolina State University)
  • The Cavender-Farris-Neyman Model with Molecular Clock
  • E1 05 (Leibniz-Saal)

11.06.2018, 10:50 Uhr, Student Seminar

  • Nidhi Kaihnsa (MPI MIS, Leipzig)
  • How to Square a Linear Space
  • E1 05 (Leibniz-Saal)

11.06.2018, 11:15 Uhr, Student Seminar

  • Mahsa Sayyary Namin (MPI MIS, Leipzig)
  • Tritangents and their Space Sextics
  • E1 05 (Leibniz-Saal)

11.06.2018, 11:40 Uhr, Student Seminar

  • Charles Wang (University of California, Berkeley)
  • Cluster Algebras and the Lagrangian Grassmannian
  • E1 05 (Leibniz-Saal)

11.06.2018, 12:05 Uhr, Student Seminar

  • Madeleine Weinstein (University of California, Berkeley)
  • Offset Hypersurfaces
  • E1 05 (Leibniz-Saal)

13.06.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

13.06.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

  • Martin Stoll (TU Chemnitz)
  • The Graph Laplacian: Semi-supervised learning, PDEs, and eigenvectors
  • E1 05 (Leibniz-Saal)

15.06.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

18.06.2018, 15:30 Uhr, Mathematics of Data Seminar

20.06.2018, 09:30 Uhr, Seminar on Nonlinear Algebra

20.06.2018, 10:30 Uhr, Seminar on Nonlinear Algebra

20.06.2018, 11:30 Uhr, Seminar on Nonlinear Algebra

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
  • E1 05 (Leibniz-Saal)

04.07.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

04.07.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

11.07.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

11.07.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

11.07.2018, 15:30 Uhr, Mathematics of Data Seminar

18.07.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

18.07.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

19.07.2018, 13:00 Uhr, Special Seminar

  • Mario Kummer (Technische Universität Berlin)
  • Rational Representations of Plane Spectrahedra
  • G3 10 (Hörsaal)

19.07.2018, 14:00 Uhr, Special Seminar

  • Daniel Ciripoi (Friedrich Schiller University Jena)
  • Approximating Spectrahedral Shadows
  • G3 10 (Hörsaal)

23.07.2018, 14:00 Uhr, Seminar on Nonlinear Algebra

25.07.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

25.07.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

01.08.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

01.08.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

08.08.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

08.08.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

14.08.2018, 16:30 Uhr, Mathematics of Data Seminar

22.08.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

  • Francesca Arici (MPI MIS, Leipzig)
  • A very brief introduction to graph algebras
  • E1 05 (Leibniz-Saal)

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
  • E1 05 (Leibniz-Saal)

29.08.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

29.08.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

05.09.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

05.09.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

  • Christian Lehn (Technische Universität Chemnitz)
  • Limit theorems in topological data analysis
  • G3 10 (Hörsaal)

12.09.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

12.09.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

19.09.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

  • Milena Wrobel (MPI MIS, Leipzig)
  • Khovanskii bases of almost toric varieties
  • E1 05 (Leibniz-Saal)

26.09.2018, 09:00 Uhr, Seminar on Nonlinear Algebra

26.09.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

27.09.2018, 11:00 Uhr, Mathematics of Data Seminar

02.10.2018, 15:00 Uhr, Seminar on Nonlinear Algebra

09.10.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

10.10.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

10.10.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

  • André Uschmajew (MPI MIS, Leipzig)
  • Critical points of quadratic low-rank matrix optimization problems
  • E1 05 (Leibniz-Saal)

17.10.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

24.10.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

24.10.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

01.11.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

01.11.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

08.11.2018, 11:00 Uhr, Mathematics of Data Seminar

15.11.2018, 13:00 Uhr, Seminar on Nonlinear Algebra

15.11.2018, 14:00 Uhr, Seminar on Nonlinear Algebra

  • Avinash Kulkarni (MPI MIS, Leipzig)
  • Tritangents of Space Sextics
  • E1 05 (Leibniz-Saal)

19.11.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

19.11.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

22.11.2018, 15:30 Uhr, Mathematics of Data Seminar

28.11.2018, 11:00 Uhr, Seminar on Nonlinear Algebra

  • Michal Lason (Polish Academy of Sciences, Warsaw)
  • Matroids and Combinatorics
  • G3 10 (Hörsaal)

29.11.2018, 11:15 Uhr, Seminar on Nonlinear Algebra

19.12.2018, 10:00 Uhr, Seminar on Nonlinear Algebra

  • Khazhgali Kozhasov (MPI MIS, Leipzig)
  • Chebyshev polynomials and best rank-one approximation ratio
  • G3 10 (Hörsaal)
14.11.2018, 01:31