Date  Loca tion  Lecture at 14:15  Colloquium at 16:00 
Monday, 21.10.2019 
FU 
Otfried Cheong (Bayreuth): Convex Covers and Translation Covers 

Monday, 28.10.2019 
HU 
Alexandre Vigny (Bremen): Query enumeration and nowhere dense classes of graphs 
Benjamin Hauskeller (HU Berlin): Dynamic Query Evaluation with Sublinear Update Time 
Monday, 04.11.2019 
FU 
Günter Rote (FU Berlin): Lattice paths with states, and counting geometric graphs via production matrices 
Liana Yepremyan (Oxford): On the size Ramsey number of bounded powers of bounded degree trees 
Monday, 11.11.2019 
FU 
Tibor Szabó (FU Berlin): Turán numbers, projective norm graphs, quasirandomness 
Raphael Steiner (TU Berlin): Majority Colorings of Sparse Digraphs 
Monday, 18.11.2019 
TU 
Matthias Reitzner (Osnabrück): Stars of Empty Simplices 
Ansgar Freyer (TU Berlin): Discrete analogs of an inequality by Meyer 
Monday, 25.11.2019 
FU 
Georg Loho (London School of Economics): Signed tropical convexity 
Manfred Scheucher (TU Berlin): Topological Drawings meet SAT Solvers and Classical Theorems of Convex Geometry 
Monday, 02.12.2019 
FU 
Talks of the Einstein Workshop on Polytopes and Algebraic Geometry 
Talks of the Einstein Workshop on Polytopes and Algebraic Geometry 
Monday, 09.12.2019 
TU 
Svante Linusson (Stockholm): Limit shape of shifted staircase SYT 
Marcel Celaya (Georgia Tech): The linear span of lattice points in a halfopen lattice parallelepiped 
Monday, 16.12.2019 
TU 
Paweł Dłotko (Swansea University): Topology in Action 
Alexander Heaton (MPI Leipzig): Applications of algebra to the geometry of materials 
Monday, 06.01.2020 
FU 
Frank Sottile (Texas University): Irrational toric varieties and the secondary polytope 
Lukas Kühne (Hebrew University of Jerusalem): Matroid representations by carrangements are undecidable 
Monday, 13.01.2020 
TU 
Eric Fusy (Paris): Bijections between families of walks using oriented planar maps

Andrei Asinowski (Klagenfurt): Vectorial kernel method and patterns in lattice paths 17:00 Shahrzad Haddadan (MPI Saarbrücken) Algorithms for topk lists and social networks 
Monday, 20.01.2020 
FU 
Holger Dell (Kopenhagen): Counting and sampling small subgraphs 
Alan Arroyo (IST Austria): Obstructions in graph drawings 17:00 Gorav Jindal (Aalto University, Helsinki): On the complexity of symmetric polynomials

Monday, 27.01.2020 
FU 
Haim Kaplan (Tel Aviv): Privately Learning Thresholds 
Gweneth Anne McKinley (MIT, Cambridge, USA): Superlogarithmic cliques in dense inhomogeneous random graphs 17:00 Michał Włodarczyk (Eindhoven): Losing treewidth by separating subsets: on approximation of vertex/edge deletion problems 
Monday, 03.02.2020 
FU 
Sándor KisfaludiBak (MPI Saarbrücken): Separators and exact algorithms for geometric intersection graphs 
Yani Pehova (Warwick): Characterisation of quasirandom permutations by a pattern sum 
Monday, 10.02.2020 
FU 
Lionel Pournin (Paris): Recent results on the diameter of lattice polytopes 
José Samper (MPI Leipzig): Dual matroid polytopes and the independence complex of a matroid Third talk canceled:(17:00) Zsolt Ádám Wagner (ETH Zürich)
