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Results tagged with co.combinatorics
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user 149817
Enumerative combinatorics, graph theory, order theory, posets, matroids, designs and other discrete structures. It also includes algebraic, analytic and probabilistic combinatorics.
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answer
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weak piecewise syndetic property for positive upper banach density set
I wonder if a set of integers $A$ given by an increasing sequence of integers $A=(a_k)_k$ with positive upper density
$\limsup_n\frac{\sharp A\cap [0,n]}{n}>0$ satisfies the following property.
For …
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