scholarly journals New inequalities for some special functions via the Cauchy-Buniakovsky-Schwarz inequality

2011 ◽  
Vol 42 (1) ◽  
Author(s):  
Cristinel Mortici
2011 ◽  
Vol 42 (1) ◽  
pp. 53-57
Author(s):  
Cristinel Mortici

We establish new inequalities involving some special functions, using a form of the Cauchy-Buniakovski-Schwarz inequality. Our new inequalities extend the class of the Turan-type inequalites.


Author(s):  
Diego Alonso-Orán ◽  
Fernando Chamizo ◽  
Ángel D. Martínez ◽  
Albert Mas

AbstractIn this paper we present an elementary proof of a pointwise radial monotonicity property of heat kernels that is shared by the Euclidean spaces, spheres and hyperbolic spaces. The main result was discovered by Cheeger and Yau in 1981 and rediscovered in special cases during the last few years. It deals with the monotonicity of the heat kernel from special points on revolution hypersurfaces. Our proof hinges on a non straightforward but elementary application of the parabolic maximum principle. As a consequence of the monotonicity property, we derive new inequalities involving classical special functions.


1991 ◽  
Vol 118 (1-2) ◽  
pp. 173-192 ◽  
Author(s):  
J. L. Brenner ◽  
Horst Alzer

SynopsisIn this paper we prove refinements, extensions and counterparts of known integral inequalities for concave functions. Furthermore, we apply our results to find new inequalities for some special functions and mean values.


2016 ◽  
Vol 47 (3) ◽  
pp. 351-356
Author(s):  
Piyush Kumar Bhandari ◽  
Sushil Kumar Bissu

By using a form of the Cauchy-Bunyakovsky-Schwarz inequality, we establish new inequalities for some classical integral transforms such as Laplace transform,Fourier transform, Fourier cosine transform, Fourier sine transform, Mellin transform and Hankel transform.


2020 ◽  
Vol 2020 ◽  
pp. 1-15 ◽  
Author(s):  
Miguel Vivas-Cortez ◽  
Thabet Abdeljawad ◽  
Pshtiwan Othman Mohammed ◽  
Yenny Rangel-Oliveros

Integral inequality is an interesting mathematical model due to its wide and significant applications in mathematical analysis and fractional calculus. In the present research article, we obtain new inequalities of Simpson’s integral type based on the φ-convex and φ-quasiconvex functions in the second derivative sense. In the last sections, some applications on special functions are provided and shown via two figures to demonstrate the explanation of the readers.


Mathematics ◽  
2020 ◽  
Vol 8 (12) ◽  
pp. 2112
Author(s):  
Nicuşor Minculete ◽  
Hamid Reza Moradi

The aim of this article is to establish several estimates of the triangle inequality in a normed space over the field of real numbers. We obtain some improvements of the Cauchy–Schwarz inequality, which is improved by using the Tapia semi-inner-product. Finally, we obtain some new inequalities for the numerical radius and norm inequalities for Hilbert space operators.


Author(s):  
Lu-Lu Geng ◽  
Xiao-Jun Yang ◽  
Jian-Gen Liu

This paper is devoted to the study of Tur\’{an} type inequalities for some well-known special functions such as supersine and supercosine which are derived by using a new form of the Cauchy-Bunyakovsky-Schwarz inequality.


Symmetry ◽  
2021 ◽  
Vol 13 (9) ◽  
pp. 1686 ◽  
Author(s):  
Soubhagya Kumar Sahoo ◽  
Hijaz Ahmad ◽  
Muhammad Tariq ◽  
Bibhakar Kodamasingh ◽  
Hassen Aydi ◽  
...  

The principal motivation of this paper is to establish a new integral equality related to k-Riemann Liouville fractional operator. Employing this equality, we present several new inequalities for twice differentiable convex functions that are associated with Hermite–Hadamard integral inequality. Additionally, some novel cases of the established results for different kinds of convex functions are derived. This fractional integral sums up Riemann–Liouville and Hermite–Hadamard’s inequality, which have a symmetric property. Scientific inequalities of this nature and, particularly, the methods included have applications in different fields in which symmetry plays a notable role. Finally, applications of q-digamma and q-polygamma special functions are presented.


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