Existence of Alternate Steady States in a Phosphorous Cycling Model

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="869147.fig.001a" src="https://static.hindawi.com/articles/isrn/volume-2012/869147/figures/869147.fig.001a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>When <svg height="13.6125" id="M30" style="vertical-align:-2.34499pt" version="1.1" viewbox="0 0 109.7 13.6125" width="109.7" xmlns="http://www.w3.org/2000/svg">
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<tspan style="font-size: 12.50px; " x="0" y="0">𝑓</tspan>
<tspan style="font-size: 12.50px; " x="6.9391651" y="0">(</tspan>
<tspan style="font-size: 12.50px; " x="11.102664" y="0">𝑢</tspan>
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<tspan style="font-size: 12.50px; " x="24.655916" y="0">&gt;</tspan>
<tspan style="font-size: 12.50px; " x="36.696304" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="46.423637" y="0">∶</tspan>
<tspan style="font-size: 12.50px; " x="56.288506" y="0">[</tspan>
<tspan style="font-size: 12.50px; " x="60.452003" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="66.703506" y="0">,</tspan>
<tspan style="font-size: 12.50px; " x="71.904755" y="0">∞</tspan>
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</svg></td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="869147.fig.001b" src="https://static.hindawi.com/articles/isrn/volume-2012/869147/figures/869147.fig.001b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>A falling zero problem</td></tr></table></td></tr></table>

<table>Restricted solution space for the falling zero problem.</table>

International Scholarly Research Notices

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Figure 1

Figure 1: Existence of Alternate Steady States in a Phosphorous Cycling Model 