Workshop on NonLinear Algebra:

Interactions among Algebraic Geometry, Combinatorics, Commutative Algebra,
Convexity, Statistics, Optimization and Computational Biology

BERLIN, Germany, May 29-30, 2015
This is the kickoff workshop for the project on NonLinear Algebra that is funded for 2015-2018 by the Einstein Foundation.
The venue is the Einstein-Saal of the Berlin-Brandenburg Academy of Sciences and Humanities.
Their location is right next to the Gendarmenmarkt, at Jägerstrasse 22/23.



If you are planning to attend this workshop, please register by sending an e-mail to Antje Schulz (
Please use the word 'Registration' in the subject line of your E-mail. For logistic information please scroll down to the bottom of this page.

Speakers and Schedule

Thursday, May 28

The workshop will start on Thursday evening with an Einstein public lecture titled
Museen, Dreiecke und algebraische Kurven by Michael Joswig (TU Berlin).

Friday, May 29

9:00 Registration and Welcome
9:45-10:30 Raman Sanyal (FU Berlin) Relative Stanley-Reisner theory
10:30-11:00 Christian Ikenmeyer (Texas A&M University) Complexity of matrix multiplication
11:30-12:00 Mateusz Michalek (FU Berlin and UC Berkeley) Cumulants, secant varieties and toric geometry
12:00-12:45 Elisenda Feliu (University of Copenhagen) Algebraic methods for reaction networks in biology
14:30-15:00 Timo de Wolff (Texas A&M University) Computing amoebas
15:00-15:30 Simon Hampe (University of Warwick) Tropical convexity and matroidal fans
16:00-16:30 Ngoc Tran (UT Austin) Tropical geometry and economics
16:30-17:15 Caroline Uhler (IST Austria) Geometry of sparse principal component analysis

Saturday, May 30

9:45-10:30 Thomas Kahle (OvGU Magdeburg) Algebraic geometry of Poisson regression
10:30-11:00 Kaie Kubjas (Aalto Science Institute) Matrix completion for the independence model
11:30-12:00 Rainer Sinn (Georgia Tech) Gram spectrahedra
12:00-12:45 Martina Juhnke-Kubitzke (Osnabrück University) Gap vectors of real projective varieties
14:30-15:00 Kristin Shaw (TU Berlin) Gauss-Bonnet and tropical Noether formula
15:00-15:45 Karim Adiprasito (Hebrew University of Jerusalem) Log-concavity of characteristic polynomials
16:15-17:15 Andreas Thom (TU Dresden) Hilbert's seventeenth problem

Local Information

The workshop will take place in the Einstein-Saal at Jägerstrasse 22/23 near the Gendarmenmarkt. This is the beautiful
building of the Berlin-Brandenburg Academy of Sciences and Humanities that houses the Einstein Foundation.
Click here for some local information (including accommodation options) that you will find useful.

Last Updated: October 15, 2014