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Existence of positive periodic solutions for higher-order ordinary differential equations
Authors:Yongxiang Li  Hongxia Fan
Affiliation:
  • Department of Mathematics, Northwest Normal University, Lanzhou 730070, People’s Republic of China
  • Abstract:
    Keywords:  mmlsi11"   class="  mathmlsrc"   onclick="  submitCitation('/science?_ob=MathURL&  _method=retrieve&  _eid=1-s2.0-S0898122111004810&  _mathId=si11.gif&  _pii=S0898122111004810&  _issn=08981221&  _acct=C000069490&  _version=1&  _userid=6211566&  md5=ca9b4162aca73c7dad542945bd785d2b')"   style="  cursor:pointer  "   alt="  Click to view the MathML source"   title="  Click to view the MathML source"  >  formulatext"   title="  click to view the MathML source"  >nth-order differential equation   Positive periodic solution   Cone   Fixed point theorem in cones
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