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Ben Barber

Bristol, UK

http://babarber.uk/

Postdoc at the University of Bristol, working on extremal combinatorics.

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Top Questions

Partition regularity in the squares

nt.number-theory co.combinatorics additive-combinatorics asked Nov 4 '15 at 14:50

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Top Answers

Is this Ramsey-type problem an open problem?

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Sperner Lemma Applications

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Relationship of clique, independence, and chromatic numbers

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Probability of having many unique elements

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Expected maximum inner product

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Sets of points containing permutations - a Ramsey-type question

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Have this generalization of Indifference graphs been studied before?

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Sets $A$ stable under $(x,f(x))\mapsto x+f(x)$

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Class 1 vs class 2 in regular graphs

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Infinite non-splittable graphs

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Infinite graph with degrees given

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Extension of the Azuma-Hoeffding inequality (when the differences are bounded with large probability)

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Simple matrix combinatorics

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Additive energy of random sets

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Is this bounded?

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How to check if long number is a power of 2

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Have chordal outerplanar graphs been studied before?

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How can the visible surface area of a box at any angle be found?

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In a random graph which one is more probable, $k$-clique or $k$-core?

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