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math.CO2016
On the coloring of 3-element subsets
D. Zakharov
In this paper we prove that for numbers , such that is prime, there exists the coloring of all 3-element subsets of {1, ..., n} such that any sets $A, B: |A\cap B|…
math.CO2016
On chromatic numbers of some distance graphs
D. Zakharov
In this paper we find chromatic numbers of distance graphs for infinitely many n. Also we improve upper bound for in large part of cases.