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math.CO2026
Large subsets of the first squares
F. Bosio, R. Riblet, J. Tarr
We prove that, for every fixed integer , the largest cardinality of a subset of the first squares is at least a positive constant, depending only on , time…
math.CO2026
On the largest Sidon subset in a finite subset of
Alexandre Bailleul, Robin Riblet
We obtain a new lower bound on the largest Sidon subset of an arbitrary finite set of integers. If denotes the minimum, over all -element subsets of , of the l…