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Berlin - Poznań seminar on Discrete Mathematics in Hamburg

This joint seminar was founded in the mid 1990ies by Prof. Michał Karoński from the Adam Mickiewicz University in Poznań and by Prof. Hans Jürgen Prömel (at the time) from Humboldt University of Berlin. The seminar covers selected topics in extremal and probabilistic combinatorics, algorithmic discrete mathematics and related fields. The seminar usually alternates between Berlin and Poznań. This year it takes place on May 23 and 24 at the Technical University of Hamburg and at the University of Hamburg.


Friday May 23, 2014
Location: Technical University of Hamburg (TUHH), Schwarzenbergstr. 93, Building A, Raum 1.20

10:00-10:05 opening
10:05-10:30 Peter Heinig Three gaps
10:30-11:00 Matas Šileikis Half-sandwich of random graphs
coffee break
11:15-11:45 Michał Dębski Near-Universal Cycles for Subsets
11:45-12:15 Silvia Messuti Packing grids into complete graphs
lunch break
13:15-14:00 Andrzej Dudek On Ramsey-type problems for sequences
14:00-14:30 Anand Srivastav Randomized Approximability of the Multi-Set-Cover Problem
14:30-15:00 Yury Person Minimum degree of minimal Ramsey graphs for multiple colors
15:00-15:30 Julia Ehrenmüller Spanning subgraphs of sparse random graphs after adversarial edge removal
coffee break
16:00-16:45 Alexey Pokrovskiy Calculating Ramsey numbers by partitioning coloured graphs
16:45-17:15 Sylwia Antoniuk On the prompt collapse of random triangular groups
17:15-17:45 Małgorzata Bednarska-Bzdęga Picker-Chooser games
17:45-18:15 Carl Georg Heise The hypergraph matching problem in X-ray diffraction tomography
 20:00 joint dinner in Café SternChance at Schröderstiftstr. 7, Hamburg

Saturday May 24, 2014
Location: University of Hamburg (UHH), Bundesstr. 52, Geomatikum, Room H5

09:00-09:45 Jerzy Jaworski Random mappings, urn models (and a few other things)
09:45-10:15 Christian Reiher Forcing quasirandomness by triangles
coffee break
10:30-11:00 Rafał Witkowski Some special cases of the de Bruijn objects
11:00-11:30 Katharina Jochemko Positivity and monotonicity of translation-invariant valuations
11:30-12:00 Jarosław Grytczuk Graph coloring with arithmetic flavor

Confirmed participants

  • Sylwia Antoniuk (Poznań)
  • Małgorzata Bednarska-Bzdęga (Poznań)
  • Dennis Clemens (Berlin)
  • Michał Dębski (Warszawa)
  • Andrzej Dudek (Kalamazoo, Michigan)
  • Julia Ehrenmüller (Hamburg-Harburg)
  • Mourad El Ouali (Kiel)
  • Jonas Groschwitz (Berlin)
  • Jarosław Grytczuk (Warszawa and Kraków)
  • Peter Heinig (Hamburg-Harburg)
  • Carl Georg Heise (Hamburg-Harburg)
  • Eliza Jackowska (Lublin)
  • Jerzy Jaworski (Poznań)
  • Katharina Jochemko (Berlin)
  • Dominika Kubijk (Poznań)
  • Krzysztof Krzywdziński (Poznań)
  • Zbigniew Lonc (Warszawa)
  • Silvia Messuti (Hamburg)
  • Olaf Parczyk (Berlin)
  • Yury Person (Frankfurt am Main)
  • Alexey Pokrovskiy (Berlin)
  • Christian Reiher (Hamburg)
  • Andrzej Ruciński (Poznań)
  • Katarzyna Rybarczyk-Krzywdzińska (Poznań)
  • Paweł Rzążewski (Warszawa)
  • Mathias Schacht (Hamburg)
  • Tina Janne Schmidt (Hamburg-Harburg)
  • Fabian Schulenburg (Hamburg)
  • Matas Šileikis (Uppsala)
  • Mayank Singhal (Kiel)
  • Anand Srivastav (Kiel)
  • Piotr Sych (Poznań)
  • Tibor Szabó (Berlin)
  • Edyta Szymańska (Poznań)
  • Magda Szymkowiak (Poznań)
  • Justyna Tabor (Poznań)
  • Anusch Taraz (Hamburg-Harburg)
  • Jenna Thompson (Hamburg-Harburg)
  • Gisela Winterstein (Hamburg-Harburg)
  • Łukasz Witkowski (Poznań)
  • Marcin Witkowski (Poznań)
  • Rafał Witkowski (Poznań)
  • Bartosz Zaleski (Poznań)

  Seitenanfang  Impressum 2014-05-22, Mathias Schacht