**Advances in the Theory of Nonlinear Analysis and its Applications** (ATNAA)

The journal of “*Advances in the Theory of Nonlinear Analysis and its Applications* (ATNAA)” was found on April 2017 as an electronic journal. It is open access journal without any page charge. The journal of “*Advances in the Theory of Nonlinear Analysis and its Applications* (ATNAA)” is focused on latest significant achievements in the field of nonlinear analysis and its applications. It reflects both state-of-the-art theoretical research and important recent advances in applications. Survey articles on crucial topics in Nonlinear Analysis will be also considered.

http://atnaa.wordpress.com/ or https://atnaa.org/

**Editorial Board**

**Honorary Board Members:**

Theodore Burton,

Northwest Research Institute, USA

Ioan A. Rus,

Babeş-Bolyai University, Romania

Wataru Takahashi,

National Sun Yat-sen University, Taiwan

**Editor-in-Chief**

Erdal Karapinar,

Atilim University, Turkey

**Associate Editors:**

Janusz Brzdek

Pedagogical University of Cracow, Poland.

Dragan Djordjevic

University of Nis, Serbia

Maria A Japón

Universidad de Sevilla, Spain

Yasunori Kimura

Toho University, Japon

Giuseppe Marino

Università della Calabria, Italy

Luigi Muglia

Università della Calabria, Italy

Adrian Petruşel

Babeş-Bolyai University, Romania.

Vladimir Rakocevic

University of Nis, Serbia

**Managing Editors**

İnci M.Erhan,

Atilim University, Turkey

Ümit Aksoy,

Atilim University, Turkey

**For Authors:**

We encourage the authors to check the areas of expertise of the Editorial Board in order

to decide whether or not their papers are suitable for this journal.

Ensure that the following items are present:

For each submitted paper, an author should be assigned as the corresponding author with contact details:

• E-mail address

• Full postal address

All necessary files have been uploaded:

Manuscript:

• Include keywords

• All figures (include relevant captions)

• All tables (including titles, description, footnotes)

• Ensure all figure and table citations in the text match the files provided

Further considerations

• Manuscript has been ‘spell-checked’ and ‘grammar-checked’

• All references mentioned in the Reference List should be cited in the text,

The journal of

“Advances in the Theory of Nonlinear Analysis and its Applications (ATNAA)” accept the

ethics policies of AMS:

http://www.ams.org/about-us/governance/policy-statements/sec-ethics

Consequently, the journal assume that for the submitted papers,

the corresponding author accept the ethics policies of AMS

Declaration of interest

All authors are requested to disclose any actual or potential conflict of interest including any financial,

personal or other relationships with other people or organizations within three years of beginning the

submitted work that could inappropriately influence, or be perceived to influence, their work.

The corresponding author should declare that the submission of an article implies that the work described has not been published previously and it is not under consideration for publication elsewhere.

Authors are expected to consider carefully the list and order of authors before submitting their manuscript and provide the definitive list of authors at the time of the original submission. Any addition, deletion or rearrangement of author names in the authorship list should be made only before the manuscript has been accepted and only if approved by the journal Editor. If the manuscript has already been published in an online issue, any requests approved by the Editor will result in a corrigendum.

The journal of

“Advances in the Theory of Nonlinear Analysis and its Applications (ATNAA)”

is** OPEN ACCESS** and FREE (NO article page charge)

LaTeX Template lies below:

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\documentclass[11pt,reqno]{amsart}

\usepackage{amsmath, amsthm, amsfonts, amssymb}

%\usepackage{graphicx, amscd, color}

\usepackage[colorlinks]{hyperref}

\usepackage[T1]{fontenc}

\usepackage[mathscr]{eucal}

\usepackage[polish,english]{babel}

\def\R{\mathbb{R}}

\def\N{\mathbb{N}}

\def\T{\mathscr{T}}

% —————————————————————-

\newtheorem{theorem}{Theorem}[section]

\newtheorem{corollary}[theorem]{Corollary}

\newtheorem{lemma}[theorem]{Lemma}

\newtheorem{proposition}[theorem]{Proposition}

\theoremstyle{definition}

\newtheorem{definition}[theorem]{Definition}

\theoremstyle{remark}

\newtheorem{remark}[theorem]{Remark}

\numberwithin{equation}{section}

\newtheorem{example}[theorem]{Example}

\begin{document}

\title[Recent advances on nonlinear analysis and its applications]

{Recent advances on nonlinear analysis and its applications}

\date{}

\author[Author 1, Author 2, Author 3]{Author 1, Author 2, Author 3}

\begin{abstract}

This is an abstract.

\end{abstract}

\maketitle

\textbf{Mathematics Subject Classification (2010):}

\textbf{Key words and phrases:} Keyword 1 \; Keyword 2\; Keyword 3 \; Keyword 4\;

\section{Introduction}

In this paper $\mathbb{N}$ and $\mathbb{R}$ denote the sets of positive integers, respectively the set of real numbers, while

$\mathbb{N}_0:=\mathbb{N}\cup\{0\}$ and $\mathbb{R}_0^+:=[0,\infty)$.

\section{Preliminaries}

\begin{definition}\label{prop1}

This is a proposition

\end{definition}

\section{Main Results}

\begin{theorem}\label{thm1}

This is a proposition

\end{theorem}

\begin{proof}

This is a proof.

\end{proof}

\begin{proposition}\label{prop1}

This is a proposition

\end{proposition}

\begin{example}\label{ex}

This is an example.

\end{example}

\begin{corollary}\label{c8}

This is a corollary.

\end{corollary}

\begin{equation}\label{st}

This is an equation

\end{equation}

Enumerations:

\begin{itemize}

\item[$(i)$] Item 1.

\item[$(ii)$] Item 2.

\end{itemize}

\begin{itemize}

\item[$(i)$] Item 1.

\item[$(ii)$] Item 2.

\end{itemize}

\begin{remark} \label{re-max1}

This is a remark.

\end{remark}

\footnotesize

\begin{thebibliography}{00}

\bibitem{AXZ} R.P. Agarwal, B. Xu, W. Zhang, Stability of functional equations in single variable, J. Math. Anal. Appl. 288 (2003) 852–869.

\bibitem{Ba} J.A. Baker, The stability of certain functional equations, Proc. Amer. Math. Soc. 112 (1991) 729–732.

\end{thebibliography}

\noindent

First Authors Name and Surname \\

Department of Mathematics,

Name of University, \\

City, Country. \\

e-mail: name@univname.edu

\bigskip

\noindent

First Authors Name and Surname \\

Department of Mathematics,

Name of University, \\

City, Country. \\

e-mail: name@univname.edu

\bigskip

\noindent

First Authors Name and Surname \\

Department of Mathematics,

Name of University, \\

City, Country. \\

e-mail: name@univname.edu

\bigskip

\end{document}