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Tag Archives: Laszlo Lovasz
Hoffman, Lovász and Haemers
At the weekend I attended remotely a memorial session for Alan Hoffman, organised by Bill Pulleyblank. I found it informative, as well as moving. Hoffman is well-known in the algebraic graph theory community for a number of remarkable achievements, including … Continue reading
Posted in events
Tagged Alan Hoffman, algebraic graph theory, eigenvalues, Laszlo Lovasz, optimization, WIllem Haemers
1 Comment
Erdos number website update
The Erdős Number Project website, run by Jerry Grossman at Oakland University, has updated its data files, for the first time since 2010. Robert Bailey will be pleased, since he is now recognised as not the same person as Rosemary … Continue reading
Posted in doing mathematics
Tagged Jerry Grossman, Laszlo Lovasz, Robert Bailey, Vojtech Rodl
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Limits
I have just come to the end of the longest uninterrupted sequence of conferences I have ever had: five in a row, one of them a two-week conference. Since the start of July I have been at conferences in Egham, … Continue reading
Posted in exposition
Tagged Anatoly Vershik, Dan Kral, graph limits, graphons, Laszlo Lovasz, permutons, random graphs
2 Comments
Homomorphisms modulo a prime
Two of my colleagues have been doing interesting things with counting homomorphisms modulo a prime; Thomas Müller with group homomorphisms, and Mark Jerrum with graph homomorphisms. I may get round to discussing Thomas’s work later. Here I want to discuss … Continue reading
Graph limits and random graphs
These ideas are quite new to me, and maybe my exposition of them is a bit incoherent; but I think there are some interesting questions here. An old problem of mine on random graphs with forbidden subgraphs may be illuminated … Continue reading
Posted in events, exposition, open problems
Tagged Endre Szemeredi, exchangeable measure, graphs, Laszlo Lovasz, limit
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