{ "id": "2305.02754", "version": "v1", "published": "2023-05-04T11:44:14.000Z", "updated": "2023-05-04T11:44:14.000Z", "title": "A lower bound for the beta function", "authors": [ "Tiehong Zhao", "Miaokun Wang" ], "categories": [ "math.CA" ], "abstract": "We present a new lower bound for Euler's beta function, $B(x,y)$, which states that the inequality \\begin{equation*} B(x,y)>\\frac{x+y}{xy}\\left(1-\\frac{2xy}{x+y+1}\\right) \\end{equation*} holds on $(0,1]\\times(0,1]$, which improves a lower bound obtained by P. Iv\\'{a}dy [12, Theorem, (3.2)] in the case of $0