<?xml version='1.0' encoding='ASCII'?>
<!-- Generated 25 October 2009 at 09:50 GMT-06:60 -->
<!-- Generated by CelleratorML 1.0.5 (19 June 2009) -->
<!-- Generated using Mathematica Version 7.0 for Linux x86 (64-bit) (February 18, 2009) (Release 1)-->
<CelleratorML Version='1.0'>
 <ModelAnnotation>
  <CreationTime>2009-10-25T09:50:53</CreationTime>
  <MathematicaVersion>7.0 for Linux x86 (64-bit) (February 18, 2009)</MathematicaVersion>
  <MathematicaVersionNumber>7.</MathematicaVersionNumber>
  <MathematicaReleaseNumber>1</MathematicaReleaseNumber>
  <OperatingSystem>Linux x86 (64-bit)</OperatingSystem>
  <CharacterEncoding>ISO8859-1</CharacterEncoding>
  <Creator>mathman</Creator>
  <SoftwareTool>CelleratorML 1.0.5 (19 June 2009)</SoftwareTool>
  <Description>
   <html>This is a CelleratorML (XML) file.</html>
  </Description>
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 <CelleratorModel Name='Hill-Ring-Oscillator'>
  <ListOfCelleratorReactions>
   <CelleratorReaction>
    <math xmlns='http://www.w3.org/1998/Math/MathML'>
     <list>
      <apply>
       <ci>RightTeeArrow</ci>
       <ci>U</ci>
       <ci>V</ci>
      </apply>
      <apply>
       <ci>hill</ci>
       <cn type='integer'>1</cn>
       <ci>KH</ci>
       <apply>
        <times />
        <cn type='integer'>-1</cn>
        <ci>n</ci>
       </apply>
       <cn type='integer'>0</cn>
       <ci>v</ci>
      </apply>
     </list>
    </math>
   </CelleratorReaction>
   <CelleratorReaction>
    <math xmlns='http://www.w3.org/1998/Math/MathML'>
     <list>
      <apply>
       <ci>RightTeeArrow</ci>
       <ci>V</ci>
       <ci>W</ci>
      </apply>
      <apply>
       <ci>hill</ci>
       <cn type='integer'>1</cn>
       <ci>KH</ci>
       <apply>
        <times />
        <cn type='integer'>-1</cn>
        <ci>n</ci>
       </apply>
       <cn type='integer'>0</cn>
       <ci>v</ci>
      </apply>
     </list>
    </math>
   </CelleratorReaction>
   <CelleratorReaction>
    <math xmlns='http://www.w3.org/1998/Math/MathML'>
     <list>
      <apply>
       <ci>RightTeeArrow</ci>
       <ci>W</ci>
       <ci>U</ci>
      </apply>
      <apply>
       <ci>hill</ci>
       <cn type='integer'>1</cn>
       <ci>KH</ci>
       <apply>
        <times />
        <cn type='integer'>-1</cn>
        <ci>n</ci>
       </apply>
       <cn type='integer'>0</cn>
       <ci>v</ci>
      </apply>
     </list>
    </math>
   </CelleratorReaction>
   <CelleratorReaction>
    <math xmlns='http://www.w3.org/1998/Math/MathML'>
     <list>
      <apply>
       <ci>RightArrowLeftArrow</ci>
       <ci>V</ci>
       <ci>&#8709;</ci>
      </apply>
      <ci>k1</ci>
      <ci>k2</ci>
     </list>
    </math>
   </CelleratorReaction>
   <CelleratorReaction>
    <math xmlns='http://www.w3.org/1998/Math/MathML'>
     <list>
      <apply>
       <ci>RightArrowLeftArrow</ci>
       <ci>U</ci>
       <ci>&#8709;</ci>
      </apply>
      <ci>k1</ci>
      <ci>k2</ci>
     </list>
    </math>
   </CelleratorReaction>
   <CelleratorReaction>
    <math xmlns='http://www.w3.org/1998/Math/MathML'>
     <list>
      <apply>
       <ci>RightArrowLeftArrow</ci>
       <ci>W</ci>
       <ci>&#8709;</ci>
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      <ci>k1</ci>
      <ci>k2</ci>
     </list>
    </math>
   </CelleratorReaction>
  </ListOfCelleratorReactions>
  <ListOfCelleratorParameters>
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       Value='1' />
   <Parameter Identifier='v'
       Value='2' />
   <Parameter Identifier='k1'
       Value='0.01' />
   <Parameter Identifier='k2'
       Value='0' />
   <Parameter Identifier='n'
       Value='3' />
  </ListOfCelleratorParameters>
  <ListOfCelleratorIC>
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       Value='0.9' />
   <InitialValue Identifier='V'
       Value='1' />
   <InitialValue Identifier='W'
       Value='1.1' />
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</CelleratorML>