Volume 23 Number 2, 2021 The Existence of Positive Solutions for Third-Order Three-Point Nonhomogeneous Boundary Value Problems Jiali Da Pages 49-56 Download On Multiplicative Inverse of Nirmala Indices V.R.Kulli Pages 57-61 Download A Note on le-Ternary Semigroups U. Nagi Reddy and C. Meena Kumari Pages 63-68 Download Erratum in “On the Holographic Principle Description for the Viscous Incompressible Fluids” and “The Mathematical Description of Homogeneous Turbulence for Incompressible Fluids” Javier Rivera Pages 69-71 Download Thermal Analysis for Peristaltic Flow of Nanofluid under the Influence of Porous Medium and Double Diffusion in a Non-Uniform Channel Using Sumudu Transformation Method Asha S.K. and Namrata Kallolikar Pages 73-91 Download On Some Mathematical Properties of Nirmala Index V.R.Kulli and Ivan Gutman Pages 93-99 Download Numerical Solution of Singular Boundary Value Problems by Hermite Wavelet Based Galerkin Method L. M. Angadi Pages 101-110 Download On the Exponential Diophantine Equation (p+2)x+(5p+6)y=z2 when p, p+2 and 5p+6 are Primes Sutthiwat Thongnak, Theeradach Kaewong and Wariam Chuayjan Pages 111-115 Download On the Non-Linear Diophantine Equation px+(p+4n)y=z2 where p and p+4n are Primes Vipawadee Moonchaisook Pages 117-121 Download Numerical Solution for Real Double Definite Integrals Sulochana Das Pages 123-129 Download