Table of Contents

Vol. 15, No. 1, (2021)

Evaluation and ranking of rail freight and passenger transportation in same Asian countries with new method in Data Envelopment Analysis
Alireza Salehi, Farhad Hosseinzadeh Lotfi, Mohsen Rostamy Malkhalifeh
GAUSS SUMMATION FORMULA FOR LIMIT SUMMAND FUNCTIONS AND RELATED RESULTS
Koohyar Eslami, Mohammad Hadi Hooshmand
Using Malmquist productivity index in a Two-stage Sustainable Supply Chain
Sahar Ostovan, Mohammad Reza Mozaffari, Ali Jamshidi, Javad Gerami
The Canonical Mapping $T_H$ for Weighted $L^p$-Spaces the General Case‎
Fatemeh Esmaeelzadeh
WEIGHTED HERMITE-HADAMARD AND SIMPSON TYPE INEQUALITIES FOR DOUBLE INTEGRALS
Hüseyin BUDAK, Fatma Ertuğral, Mehmet Zeki SARIKAYA
ON SEMI-n-ABSORBING SUBMODULES
Shamsolmolouk Khoshdel, Mansooreh Maani-Shirazi
On the existence of a solution for a bi-dealing singular fractional intergro-differential equation
Ali Mansouri, Mehdi Shabibi
On linear operators that preserve BJ-orthogonality in 2-normed space
Mahdi Iranmanesh, Ali Ganjbakhsh Sanatee
THE BEST PROXIMITY PAIR FOCUSING ON MONOTONICITY AND T-ABSOLUTELY DIRECT SETS
Ali Asghar Sarvari, Hamid Mazaheri, Hamid Reza Khademzadeh
Signed Complete Graphs with Negative Paths
Soudabeh Dalvandi, Farideh Heydari, Mohammad Maghasedi
Complexity and approximability of the marking problem
Mohammad Valizadeh, Mohammad Hesam Tadayon, Alireza Bagheri
Another form of supra ordered separation axioms
Cenap Ozel, Tareq Alshami, Mohammed Ahmed Alshumrani


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