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math.CO2018★ 3 cited
Several generalizations and variations of Chu-Vandermonde identity
Romeo Meštrović
In this paper we prove some combinatorial identities which can be considered as generalizations and variations of remarkable Chu-Vandermonde identity. These identities are proved b…
math.NT2018
Two curious inequalities involving different means of two arguments
Romeo Meštrović, Miomir Andjić
For two positive real numbers and let , , and be the harmonic mean, the geometric mean, the arithmetic mean and the quadratic mean of and , respectivel…