Béla Bollobás

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20152024

most citedUpper bounds for multicolour Ramsey numbers

2 citations · 4 across the 4 of their papers we have counts for

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math.CO2024★ 2 cited

Upper bounds for multicolour Ramsey numbers

Paul Balister, Béla Bollobás, Marcelo Campos +5

The $r$ -colour Ramsey number $R_{r} (k)$ is the minimum $n \in N$ such that every $r$ -colouring of the edges of the complete graph $K_{n}$ on $n$ vertices contains a monochroma…

math.CO2022

Erdős covering systems

Paul Balister, Béla Bollobás, Robert Morris +2

A covering system is a finite collection of arithmetic progressions whose union is the set of integers. The study of these objects was initiated by Erdős in 1950, and over the foll…