Results 31 to 40 of about 199 (44)
A positive lower bound for $\liminf_{N\to\infty} \prod_{r=1}^N \left| 2\sin \pi r \varphi \right|$
, 2018 Nearly 60 years ago, Erd\H{o}s and Szekeres raised the question of whether $$\liminf_{N\to \infty} \prod_{r=1}^N \left| 2\sin \pi r \alpha \right| =0$$ for all irrationals $\alpha$.
Grepstad, Sigrid +2 more
core
New approximation inequalities for circular functions. [PDF]
J Inequal Appl, 2018 Zhu L, Nenezić M.
europepmc +1 more source
Refinements and generalizations of some inequalities of Shafer-Fink's type for the inverse sine function. [PDF]
J Inequal Appl, 2017 Malešević B, Rašajski M, Lutovac T.
europepmc +1 more source
Minkowski’s inequality and sums of squares
Open Mathematics, 2014 Frenkel Péter, Horváth Péter
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About some exponential inequalities related to the sinc function. [PDF]
J Inequal Appl, 2018 Rašajski M, Lutovac T, Malešević B.
europepmc +1 more source
Approximations to inverse tangent function. [PDF]
J Inequal Appl, 2018 Qiao QX, Chen CP.
europepmc +1 more source
New bounds for the exponential function with cotangent. [PDF]
J Inequal Appl, 2018 Zhu L.
europepmc +1 more source
Weighted inequalities for generalized polynomials with doubling weights. [PDF]
J Inequal Appl, 2017 Joung H.
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Padé approximants for inverse trigonometric functions and their applications. [PDF]
J Inequal Appl, 2017 Wu S, Bercu G.
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