Weakly principally quasi-Baer rings and generalized triangular matrix rings
Weakly principally quasi-Baer rings and generalized triangular matrix rings

Kamal Paykan

Volume 3, Issue 1 , February 2021, , Pages 39-45

https://doi.org/10.30495/maca.2021.1925653.1004

Abstract
  A ring $R$ is called weakly principally quasi-Baer or simply (weakly p.q.-Baer) if the right annihilator of a principal right ideal is right $s$-unital by right semicentral ...  Read More
On quasi hemi-slant submanifolds of LP-cosymplectic manifolds
On quasi hemi-slant submanifolds of LP-cosymplectic manifolds

Siddesha M S; Praveena M M; Bagewadi C S

Volume 3, Issue 3 , September 2021, , Pages 39-49

https://doi.org/10.30495/maca.2021.1934998.1016

Abstract
  In this paper, we define and study quasi Hemi-slant submanifolds of Lorentzian almost contact metric manifolds. We mainly concern with quasi Hemi-slant submanifolds of LP-cosymplectic ...  Read More
A modified Taylor-series for solving a Fredholm integral equation of the second kind
A modified Taylor-series for solving a Fredholm integral equation of the second kind

Majid Amirfakhrian; Seyyed Mahmood Mirzaei

Volume 4, Issue 4 , December 2022, , Pages 39-48

https://doi.org/10.30495/maca.2022.1956497.1056

Abstract
  In this paper, we propose a Taylor series expansion method for the second kind of Fredholm integral equation with smooth kernels. This method converts the integral equation into a linear ...  Read More
Fuzzy ideals of BCI-algebras with respect to t-norm
Fuzzy ideals of BCI-algebras with respect to t-norm

Rasul Rasuli

Volume 5, Issue 2 , July 2023, , Pages 39-59

https://doi.org/10.30495/maca.2022.1968545.1065

Abstract
  In this paper, we introduce and define the concepts of fuzzy implicative ideals, fuzzy closed implicative ideals and fuzzy commutative ideals of BCI-algebras with respect to T-norms ...  Read More
Some coupled coincidence point results in partially ordered metric spaces
Some coupled coincidence point results in partially ordered metric spaces

Laya Fadakar; Huseyin Işık; Shirin Tavakoli; Arezo Mardzad

Volume 3, Issue 2 , June 2021, , Pages 40-54

https://doi.org/10.30495/maca.2021.1929674.1010

Abstract
  In this paper, we introduce the notion of partial-compatibility of mappings in an ordered partial metric space and use this notion to establish coupled coincidence point theorems for ...  Read More
Multiplicity results for the nonlinear p-Laplacian fractional boundary value problems
Multiplicity results for the nonlinear p-Laplacian fractional boundary value problems

Tawanda Gallan Chakuvinga; Fatma Serap Topal

Volume 3, Issue 4 , December 2021, , Pages 41-62

https://doi.org/10.30495/maca.2021.1938349.1026

Abstract
  This paper investigates the existence of single and multiple positive positive solutions of fractional differential equations with p-Laplacian by means of the Green's function properties, ...  Read More
Stability of cosine type functional equations onmodule extension Banach algebras
Stability of cosine type functional equations onmodule extension Banach algebras

Abbas Zivari-Kazempour

Volume 1, Issue 1 , February 2019, , Pages 44-49

https://doi.org/10.30495/maca.2021.679842

Abstract
  Let A be a Banach algebra and X be a Banach A-bimodule. In this paper we investigate the stability of the cosine type functional equation φ(ab,a·y+x·b)=φ(ab,x·b-a·y)=2φ(a,x)φ(b,y),on ...  Read More
Homotopy Perturbation Method with the help of Adomian decomposition method for nonlinear problems
Homotopy Perturbation Method with the help of Adomian decomposition method for nonlinear problems

Soumeyeh Khaleghizadeh

Volume 4, Issue 1 , January 2022, , Pages 45-51

https://doi.org/10.30495/maca.2021.1944809.1038

Abstract
  This paper concerns He's Homotopy Perturbation Method (HPM) which has been applied to solve some nonlinear differential equations. In HPM, at first, we construct a homotopy that satisfies ...  Read More
A proof of the Cauchy--Schwarz inequality from the change of reference frame
A proof of the Cauchy--Schwarz inequality from the change of reference frame

Nicola Fabiano

Volume 3, Issue 1 , February 2021, , Pages 46-47

https://doi.org/10.30495/maca.2021.1927475.1005

Abstract
  Inspired by [1] a proof of the Cauchy--Schwarz inequality is given by considering the transformation between two different inertial reference frames.  Read More
Notes on the stability of multimixed additive-quartic mappings
Notes on the stability of multimixed additive-quartic mappings

Yousef Ebrahimdoost

Volume 4, Issue 2 , April 2022, , Pages 47-56

https://doi.org/10.30495/maca.2022.1949403.1045

Abstract
  In this article, we prove the Hyers-Ulam stability of multimixed additive-quartic functional equations in the setting of Banach spaces by applying a fixed point method and moreover ...  Read More
On fixed point results in $F $-metric space with applications to neutral differential equations
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

https://doi.org/10.30495/maca.2022.1952999.1050

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
Stability of quartic functional equation in paranormed spaces
Stability of quartic functional equation in paranormed spaces

Karthikeyan Subramani; Choonkil Park; John Michael Rassias

Volume 3, Issue 1 , February 2021, , Pages 48-58

https://doi.org/10.30495/maca.2021.1924046.1001

Abstract
  In this paper, we prove the Ulam-Hyers stability of the following quartic functional equation in paranormed spaces using both direct and fixed point methods.  Read More
Mathematical analysis of regenerative point graphical technique (RPGT )
Mathematical analysis of regenerative point graphical technique (RPGT )

Shakuntla Singla; Pooja Dhawan

Volume 4, Issue 4 , December 2022, , Pages 49-56

https://doi.org/10.30495/maca.2022.1964808.1062

Abstract
  In this paper, the behavioural analysis of a single-unit subdivision after a complete failure using the Regenerative Point Graphical Technique (RPGT) is discussed. Initially, the unit ...  Read More
Partially ordered cone metric spaces and coupled fixed point theorems via $\alpha$-series
Partially ordered cone metric spaces and coupled fixed point theorems via $\alpha$-series

Samira Hadi Bonab; Rasoul Abazari; Ali Bagheri Vakilabad

Volume 1, Issue 1 , February 2019, , Pages 50-61

https://doi.org/10.30495/maca.2019.679847

Abstract
  This research tends to focus on proving the results of coupled fixed point in partially ordered cone metric spaces by imposing some condition on a self-mapping and a sequence of mappings ...  Read More
Some approximations for an equation in modular spaces
Some approximations for an equation in modular spaces

Mehdi Salehi Barough

Volume 3, Issue 3 , September 2021, , Pages 51-64

https://doi.org/10.30495/maca.2021.1935651.1018

Abstract
  In this paper, we introduce and obtain the general solution of a new mixed type quadratic-cubic functional equation. We investigate the stability of such functional equations in the ...  Read More
Some fixed point theorems of rational type contraction in complex valued b-metric spaces
Some fixed point theorems of rational type contraction in complex valued b-metric spaces

Souheib Merad; Taieb Hamaizia

Volume 5, Issue 1 , March 2023, , Pages 51-64

https://doi.org/10.30495/maca.2022.1973964.1066

Abstract
  The aim of this paper is to prove a common fixed point theorem of rational type contraction in the context of complex-valued b-metric spaces and generalise some results in the existing ...  Read More
Common fixed point results for ω-compatible and ω-weakly compatible maps in modular metric spaces
Common fixed point results for ω-compatible and ω-weakly compatible maps in modular metric spaces

Ljiljana R Paunovic; Parveen Kumar; Savita Malik; Manoj Kumar

Volume 4, Issue 1 , January 2022, , Pages 53-70

https://doi.org/10.30495/maca.2021.1944432.1036

Abstract
  The aim of this paper is to prove a common fixed point theorem for two pairs of $\omega$-compatible and $\omega$-weakly compatible maps for extending and generalizing the results of ...  Read More
The coincidence point results and rational contractions in E(s)-distance spaces
The coincidence point results and rational contractions in E(s)-distance spaces

Maliha Rashid; Rabia Bibi; Reny George; Zoran D. Mitrovic

Volume 3, Issue 2 , June 2021, , Pages 55-67

https://doi.org/10.30495/maca.2021.1931683.1012

Abstract
  The purpose of this article is to clarify the concept of semi-interior points of positive cones by presenting some results and examples in this context.  Moreover, the new concept ...  Read More
Fixed point theorems for occasionally weakly compatible maps in neutrosophic metric spaces
Fixed point theorems for occasionally weakly compatible maps in neutrosophic metric spaces

Jeyaraman Mathuraiveeran; A.N. Mangayarkkarasi

Volume 4, Issue 2 , April 2022, , Pages 57-69

https://doi.org/10.30495/maca.2022.1943366.1035

Abstract
  In 2008, Al-Thagafi and Shahzad introduced the notion of Occasionally Weakly Compatible mappings (shortly OWC maps) which is more general than all the commutativity concepts. The purpose ...  Read More
Fixed point theorems for cyclic contractions on intuitionistic generalized fuzzy metric spaces
Fixed point theorems for cyclic contractions on intuitionistic generalized fuzzy metric spaces

Jeyaraman Mathuraiveeran; Suganthi Mookiah; A. Ramachandran

Volume 4, Issue 4 , December 2022, , Pages 57-68

https://doi.org/10.30495/maca.2022.1961664.1060

Abstract
  In this work, we have brought in the notion of cyclic contraction into the intuitionistic generalized fuzzy metric spaces. We have set up some common fixed point theorems for these ...  Read More
Almost convex valued perturbation to second order sweeping process
Almost convex valued perturbation to second order sweeping process

Doria Affane; Mustapha Fateh Yarou

Volume 5, Issue 2 , July 2023, , Pages 61-72

https://doi.org/10.30495/maca.2023.1990922.1073

Abstract
  This paper deals with nonconvex set-valued perturbation to second order nonlinear evolution system governed by the so-called nonconvex sweeping process for a class of subsmooth moving ...  Read More
Bifuzzy d-algebras under norms
Bifuzzy d-algebras under norms

Rasul Rasuli

Volume 3, Issue 4 , December 2021, , Pages 63-83

https://doi.org/10.30495/maca.2021.1938454.1027

Abstract
  In this paper, by using norms (t-norms and t-conorms), we introduce the notions of bifuzzy d-algebras and bifuzzy d-ideals of d-algebras and investigate several interesting properties. ...  Read More
A novel coupled fixed point results pertinent to Ab-metric spaces with application to Integral equations
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

https://doi.org/10.30495/maca.2022.1949822.1046

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
Controlled g-frames in Hilbert C*-modules
Controlled g-frames in Hilbert C*-modules

Nabin Kumar Sahu

Volume 3, Issue 3 , September 2021, , Pages 65-82

https://doi.org/10.30495/maca.2021.1937063.1023

Abstract
  The controlled frame was introduced in 2010 by Balazs et al. [2], with the aim to improve the efficiency of the iterative algorithms constructed for inverting the frame operator. In ...  Read More