RamificationIndex[Hypergeometric2F1[a, b, c, z], z, 1] == s /; c - a - b == r/s && Element[r, Integers] && Element[s - 1, Integers] && s - 1 > 0 && GCD[r, s] == 1 && NonTerminatingHypergeometricSeriesQ[{a, b}]

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2001-10-29