Tag Archives: Peter Keevash

Séminaire N. Bourbaki – Designs Exist (after Peter Keevash) – the paper

Posted on September 2, 2015 by

Update: Nov 4, 2015: Here is the final version of the paper: Design exists (after P. Keevash). On June I gave a lecture on Bourbaki’s seminare devoted to Keevash’s  breakthrough result on the existence of designs. Here is a draft of the … Continue reading →

Posted in Combinatorics | Tagged , | 5 Comments

In And Around Combinatorics: The 18th Midrasha Mathematicae. Jerusalem, JANUARY 18-31

Posted on September 29, 2014 by

  The 18th yearly school in mathematics is devoted this year to combinatorics. It will feature lecture series by Irit Dinur, Joel Hass, Peter Keevash, Alexandru Nica, Alexander Postnikov, Wojciech Samotij, and David Streurer and additional activities. As usual grants … Continue reading →

Posted in Conferences, Updates | Tagged , , , , , , , | 1 Comment

Amazing: Peter Keevash Constructed General Steiner Systems and Designs

Posted on January 16, 2014 by

Here is one of the central and oldest problems in combinatorics: Problem: Can you find a collection S of q-subsets from an n-element set X set so that every r-subset of X is included in precisely λ sets in the collection? … Continue reading →

Posted in Combinatorics, Open problems | Tagged , , | 14 Comments