##### On some new observations on Kurepa's left factorial

Nicola Fabiano; Nikola Mirkov; Zoran D. Mitrovic; Stojan Radenovic

Volume 4, Issue 3 , June 2022, Pages 1-8
##### Abstract
After a brief historical excursus, we prove in a simple way some properties of Kurepa's function, the left factorial. We introduce Kurepa's hypothesis,  propose a new description, ...  Read More

##### Stability analysis of transmitter receptors model

Dhamodharan D; B. Mohamed Harif; Bonyah Ebenezer

Volume 4, Issue 3 , June 2022, Pages 9-16
##### Abstract
The Jumarie fractional-order transmitter receptors model is discussed in this paper. Transmitter receptors can be found in a variety of states, including accumulated, freed, combined ...  Read More

##### Intuitionistic fuzzy BCI-algebras (implicative ideals, closed implicative ideals, commutative ideals) under norms

Rasul Rasuli

Volume 4, Issue 3 , June 2022, Pages 17-34
##### Abstract
In this article, by using norms($T$ and $C$), we present the concept of intuitionistic fuzzy implicative ideals,  intuitionistic fuzzy closed implicative ideals and intuitionistic ...  Read More

##### Extension of the double Newton's method Convergence Order via the Bi-variate power series weight function for Solving Nonlinear Models.

Oghovese Ogbereyivwe; Simon Ajiroghene Ogumeyo

Volume 4, Issue 3 , June 2022, Pages 35-46
##### Abstract
This manuscript put forward one and two-parameter families of modified double Newton iterative structure with convergence order six, for approximation of the solution of nonlinear model. ...  Read More

##### On fixed point results in $F$-metric space with applications to neutral differential equations

Shehu Shagari Mohammed; Yahaya Sirajo; Ibrahim Aliyu Fulatan

Volume 4, Issue 3 , June 2022, Pages 47-62
##### Abstract
In this paper, a new concept of Ciric-Kannan -$\alpha-\psi$-contractions in the setting of $F$-metric space is introduced. Using this idea, endowed with suitable hypotheses, some fixed ...  Read More

##### A novel coupled fixed point results pertinent to Ab-metric spaces with application to Integral equations

Ravibabu Konchada; Srinivasa Rao Chindirala; Raghavendra Naidu Chappa

Volume 4, Issue 3 , June 2022, Pages 63-83
##### Abstract
We prove the existence and uniqueness of coupled common fixed point results in partially ordered $\mathscr{A}_b$-metric spaces in the present study. In addition to the acquired results, ...  Read More