Abstract
For a given hypergraph H = (V, E) consider the sum q(H) of 2^{−|e|} over e ∈ E. Consider the class of hypergraphs whose smallest edge is of size n and for which every 2-colouring has a monochromatic edge. Let q(n) be the smallest value of q(H) in this class. We provide a survey of the known bounds on q(n) and make some minor refinements.
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