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            <front>

                <journal-meta>
                                    <journal-id></journal-id>
            <journal-title-group>
                                                                                    <journal-title>Hacettepe Journal of Mathematics and Statistics</journal-title>
            </journal-title-group>
                            <issn pub-type="ppub">2651-477X</issn>
                                        <issn pub-type="epub">2651-477X</issn>
                                                                                            <publisher>
                    <publisher-name>Hacettepe University</publisher-name>
                </publisher>
                    </journal-meta>
                <article-meta>
                                        <article-id pub-id-type="doi">10.15672/hujms.1315963</article-id>
                                                                <article-categories>
                                            <subj-group  xml:lang="en">
                                                            <subject>Partial Differential Equations</subject>
                                                    </subj-group>
                                            <subj-group  xml:lang="tr">
                                                            <subject>Kısmi Diferansiyel Denklemler</subject>
                                                    </subj-group>
                                    </article-categories>
                                                                                                                                                        <title-group>
                                                                                                                        <article-title>Extension of the Lotka-Volterra competition model</article-title>
                                                                                                                                        </title-group>
            
                                                    <contrib-group content-type="authors">
                                                                        <contrib contrib-type="author">
                                                                    <contrib-id contrib-id-type="orcid">
                                        https://orcid.org/0000-0003-0433-4801</contrib-id>
                                                                <name>
                                    <surname>Rasouli</surname>
                                    <given-names>S.h.</given-names>
                                </name>
                                                                    <aff>Babol Noshirvani University of Technology</aff>
                                                            </contrib>
                                                                                </contrib-group>
                        
                                        <pub-date pub-type="pub" iso-8601-date="20241015">
                    <day>10</day>
                    <month>15</month>
                    <year>2024</year>
                </pub-date>
                                        <volume>53</volume>
                                        <issue>5</issue>
                                        <fpage>1401</fpage>
                                        <lpage>1407</lpage>
                        
                        <history>
                                    <date date-type="received" iso-8601-date="20230617">
                        <day>06</day>
                        <month>17</month>
                        <year>2023</year>
                    </date>
                                                    <date date-type="accepted" iso-8601-date="20231101">
                        <day>11</day>
                        <month>01</month>
                        <year>2023</year>
                    </date>
                            </history>
                                        <permissions>
                    <copyright-statement>Copyright © 2002, Hacettepe Journal of Mathematics and Statistics</copyright-statement>
                    <copyright-year>2002</copyright-year>
                    <copyright-holder>Hacettepe Journal of Mathematics and Statistics</copyright-holder>
                </permissions>
            
                                                                                                <abstract><p>In this paper, we introduce the ($p,q$)-Lotka-Volterra competition model which is extension of classical Lotka-Volterra competition model. The main purpose is to give some results on the existence and non-existence of positive solutions. Upper and lower solutions technique and comparison arguments plays a significant role in our main proof.</p></abstract>
                                                                                    
            
                                                            <kwd-group>
                                                    <kwd>Lotka-Volterra competition model</kwd>
                                                    <kwd>  (p</kwd>
                                                    <kwd> q)-Laplacian</kwd>
                                                    <kwd>  upper and lower solutions</kwd>
                                            </kwd-group>
                                                        
                                                                                                                                                    </article-meta>
    </front>
    <back>
                            <ref-list>
                                    <ref id="ref1">
                        <label>1</label>
                        <mixed-citation publication-type="journal">[1] J. Ali and R. Shivaji, Positive solutions for a class of p-Laplacian systems with multiple
parameters, J. Math. Anal. Appl. 335, 1013-1019, 2007.</mixed-citation>
                    </ref>
                                    <ref id="ref2">
                        <label>2</label>
                        <mixed-citation publication-type="journal">[2] M.O. Alves, M.T.O. Pimenta and A. Suuárez, Lotka-Volterra models with fractional
diffusion, Proc. Royal. Soc. Edin. 147A, 505-528, 2017.</mixed-citation>
                    </ref>
                                    <ref id="ref3">
                        <label>3</label>
                        <mixed-citation publication-type="journal">[3] R. Aris, Mathematical Modelling Techniques, Research Notes in Mathematics, Pitman,
London, 1978.</mixed-citation>
                    </ref>
                                    <ref id="ref4">
                        <label>4</label>
                        <mixed-citation publication-type="journal">[4] G. Astrita and G. Marrucci, Principles of non-Newtonian fluid mechanics, McGraw-
Hill, 1974.</mixed-citation>
                    </ref>
                                    <ref id="ref5">
                        <label>5</label>
                        <mixed-citation publication-type="journal">[5] L. Baldelli, Y. Brizi and R. Filippucci, Multiplicity results for (p, q)-Laplacian equations
with critical exponent in $\mathbb{R}^{N}$ and negative energy, Calc. Var. 60 (8), 1-30, 2021.</mixed-citation>
                    </ref>
                                    <ref id="ref6">
                        <label>6</label>
                        <mixed-citation publication-type="journal">[6] V. Benci, D. Fortunato and L. Pisani, Soliton like solutions of a Lorentz invariant
equation in dimension 3, Rev. Math. Phys. 10 (3), 315-344, 1998.</mixed-citation>
                    </ref>
                                    <ref id="ref7">
                        <label>7</label>
                        <mixed-citation publication-type="journal">[7] M. Bruschi and F. Calogero, Simple extensions of the Lotka-Volterra prey-predator
model, The Mathematical Intelligencer 40, 16-19, 2018.</mixed-citation>
                    </ref>
                                    <ref id="ref8">
                        <label>8</label>
                        <mixed-citation publication-type="journal">[8] S. Carl, V.K. Le and D. Motreanu, Nonsmooth variational problems and their inequalities,
Comparaison principles and applications, Springer, New York, 2007.</mixed-citation>
                    </ref>
                                    <ref id="ref9">
                        <label>9</label>
                        <mixed-citation publication-type="journal">[9] W. Cintra, M. Molina-Becerra and A. Suárez, The Lotka-Volterra models with nonlocal
reaction terms, Communs. Pure. Appl. Anal. 21, 3865-3886, 2022.</mixed-citation>
                    </ref>
                                    <ref id="ref10">
                        <label>10</label>
                        <mixed-citation publication-type="journal">[10] C. Cosner and A.C. Lazer, Stable coexistence states in the Volterra-Lotka competition
model with fiffusion, Siam. J. Appl. Math. 44, 1112-1132, 1984.</mixed-citation>
                    </ref>
                                    <ref id="ref11">
                        <label>11</label>
                        <mixed-citation publication-type="journal">[11] E.N. Dancer, On the existence and uniqueness of positive solutions for competing
species models with diffusion, Trans. Am. Math. Soc. 326, 829859, 1991.</mixed-citation>
                    </ref>
                                    <ref id="ref12">
                        <label>12</label>
                        <mixed-citation publication-type="journal">[12] P.C. Fife, Mathematical Aspects of Reacting and Diffusing Systems, Lecture Notes in
Biomathematics 28, Springer Verlag, Berlin-New York, 1979.</mixed-citation>
                    </ref>
                                    <ref id="ref13">
                        <label>13</label>
                        <mixed-citation publication-type="journal">[13] J. López-Gómez and R. Pardo, Coexistence regions in Lotka-Volterra models with
diffusion, Nonlinear Anal. 19, 1128, 1992.</mixed-citation>
                    </ref>
                                    <ref id="ref14">
                        <label>14</label>
                        <mixed-citation publication-type="journal">[14] R. Guefaifia, J. Zuo, S. Boulaaras and P. Agarwal, Existence and multiplicity of
positive weak solutions for a new class of (p, q)-Laplacian systems, Miskolc Math.
Notes 21, 861-872, 2020.</mixed-citation>
                    </ref>
                                    <ref id="ref15">
                        <label>15</label>
                        <mixed-citation publication-type="journal">[15] D.D. Hai and R. Shivaji, An existence result on positive solutions for a class of p-
Laplacian systems, Nonl. Anal. 56, 1007-1010, 2004.</mixed-citation>
                    </ref>
                                    <ref id="ref16">
                        <label>16</label>
                        <mixed-citation publication-type="journal">[16] Sze-Bi Hsu and Xiao-Qiang Zhao, A Lotka-Volterra competition model with seasonal
succession, J. Math. Biol. 64, 109-130, 2012.</mixed-citation>
                    </ref>
                                    <ref id="ref17">
                        <label>17</label>
                        <mixed-citation publication-type="journal">[17] S.A. Khafagy, Existence results for weighted (p, q)-Laplacian nonlinear system, Appl.
Math. E-Notes 17, 242-250, 2017.</mixed-citation>
                    </ref>
                                    <ref id="ref18">
                        <label>18</label>
                        <mixed-citation publication-type="journal">[18] E.K. Lee, R. Shivaji and J. Ye, Positive solutions for infinite semipositone problems
with falling zeros, Nonl. Anal. 72, 4475-4479, 2010.</mixed-citation>
                    </ref>
                                    <ref id="ref19">
                        <label>19</label>
                        <mixed-citation publication-type="journal">[19] L. Ma and S. Guo, Bifurcation and stability of a two-species diffusive lotka-volterra
model, Commun. Pure. Appl. Annal. 19, 1205-1232, 2020.</mixed-citation>
                    </ref>
                                    <ref id="ref20">
                        <label>20</label>
                        <mixed-citation publication-type="journal">[20] A. Muhammadhaji, A. Halik and Hong-Li Li, Dynamics in a ratio-dependent Lotka-
Volterra competitive-competitive-cooperative system with feedback controls and delays,
Adv. Diffrence. Eqs. 230, 1-14, 2021.</mixed-citation>
                    </ref>
                                    <ref id="ref21">
                        <label>21</label>
                        <mixed-citation publication-type="journal">[21] E. Diz-Pita and M.V. Otero-Espinar, Predator-Prey Models: A Review of Some Recent
Advances, Mathematics. 9, 1-34, 2021.</mixed-citation>
                    </ref>
                                    <ref id="ref22">
                        <label>22</label>
                        <mixed-citation publication-type="journal">[22] S.H .Rasouli, Existence of solutions for singular (p, q)-Kirchhoff type systems with
multiple parameters, Elect. J. Diff. Eqs 69, 1-8, 2016.</mixed-citation>
                    </ref>
                                    <ref id="ref23">
                        <label>23</label>
                        <mixed-citation publication-type="journal">[23] S.H .Rasouli, Z. Halimi and Z.Mashhadban, A remark on the existence of positive weak
solution for a class of (p, q)-Laplacian nonlinear system with sign-changing weight,
Nonl. Anal. 73, 385-389, 2010.</mixed-citation>
                    </ref>
                                    <ref id="ref24">
                        <label>24</label>
                        <mixed-citation publication-type="journal">[24] M. Struwe, Variational Methods, Applications to Nonlinear Partial Differential Equations
and Hamiltonian Systems, Springer-Verlag, Berlin, Heidelberg, New York, 1996.</mixed-citation>
                    </ref>
                                    <ref id="ref25">
                        <label>25</label>
                        <mixed-citation publication-type="journal">[25] L. Wang and K. Li, On positive solutions of the Lotka-Volterra cooperating models
with diffusion, Nonlinear Analysis. 53, 1115-1125, 2003.</mixed-citation>
                    </ref>
                                    <ref id="ref26">
                        <label>26</label>
                        <mixed-citation publication-type="journal">[26] Z. Zhu, R. Wu, L. Lai and X. Yu, The influence of fear effect to the Lotka-Volterra
predator-prey system with predator has other food resource, Adv. Diffrence. Eqs. 237,
1-14, 2020.</mixed-citation>
                    </ref>
                            </ref-list>
                    </back>
    </article>
