Estimation of cost efficiency with piecewise linear cost function in integer-valued data envelopment analysis Fatemeh MirzaeianReza Fallahnejad Original Research 27 February 2021 Pages: 1 - 11
A numerical scheme for the solution of neutral integro-differential equations including variable delay Burcu Gürbüz Original Research Open access 13 March 2021 Pages: 13 - 21
Undesirable factors and marginal rates of substitution in Data Envelopment Analysis Morassa MahboubiSohrab KordrostamiArmin Ghane-Kanafi Original Research 28 May 2021 Pages: 23 - 35
A new statistical approach to model the counts of novel coronavirus cases M. El-MorshedyEmrah AltunM. S. Eliwa Original Research 16 March 2021 Pages: 37 - 50
Improving split-step forward methods by ODE solver for stiff stochastic differential equations K. Nouri Original Research 28 March 2021 Pages: 51 - 57
A compatible Hermite–Taylor matrix-collocation technique with convergence test for second-order partial integro-differential equations containing two independent variables with functional bounds Elif YalçınMehmet Sezer Original Research 30 March 2021 Pages: 59 - 69
Product integration method for treating a nonlinear Volterra integral equation with a weakly singular kernel Ahlem NemerZouhir MokhtariHanane Kaboul Original Research 08 April 2021 Pages: 71 - 78
Compact operators on spaces of binomial fractional difference sequences Anu ChoudharyKuldip RajM. Mursaleen Original Research 12 April 2021 Pages: 79 - 85
Gaussian radial basis function and quadrature Sinc method for two-dimensional space-fractional diffusion equations Nafiseh NoghreiAsghar KerayechianAli R. Soheili Original Research 11 April 2021 Pages: 87 - 96
Eigenvalues and eigenfunctions of fourth-order sturm-liouville problems using Bernoulli series with Chebychev collocation points Mohamed El-GamelWaleed AdelM. S. El-Azab Original Research 21 May 2021 Pages: 97 - 104