The Second Eigenvalue of the <svg style="vertical-align:-4.626pt;width:13.4125px;" id="M1" height="17.5" version="1.1" viewBox="0 0 13.4125 17.5" width="13.4125" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><g transform="matrix(.022,-0,0,-.022,.062,11.675)"><path id="x1D45D" d="M570 304q0 -108 -87 -199q-40 -42 -94.5 -74t-105.5 -43q-41 0 -65 11l-29 -141q-9 -45 -1.5 -58t45.5 -16l26 -2l-5 -29l-241 -10l4 26q51 10 67.5 24t26.5 60l113 520q-54 -20 -89 -41l-7 26q38 28 105 53l11 49q20 25 77 58l8 -7l-17 -77q39 14 102 14q82 0 119 -36
t37 -108zM482 289q0 114 -113 114q-26 0 -66 -7l-70 -327q12 -14 32 -25t39 -11q59 0 118.5 81.5t59.5 174.5z" /></g></svg>-Laplacian as <svg style="vertical-align:-4.626pt;width:13.4125px;" id="M2" height="17.5" version="1.1" viewBox="0 0 13.4125 17.5" width="13.4125" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><g transform="matrix(.022,-0,0,-.022,.062,11.675)"><use xlink:href="#x1D45D" /></g></svg> Goes to <svg style="vertical-align:-0.0pt;width:11.3375px;" id="M3" height="15.55" version="1.1" viewBox="0 0 11.3375 15.55" width="11.3375" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><g transform="matrix(.022,-0,0,-.022,.062,15.488)"><path id="x1D7CF" d="M441 24v-24h-373v24q75 2 96 20q22 19 22 85v378q0 70 -36 70q-26 0 -65 -16l-20 -8v26l251 109h18v-570q0 -57 19 -75q19 -17 88 -19z" /></g></svg>

International Journal of Differential Equations

fig3

Figure 3

Figure 3: The Second Eigenvalue of the <svg style="vertical-align:-4.626pt;width:13.4125px;" id="M1" height="17.5" version="1.1" viewBox="0 0 13.4125 17.5" width="13.4125" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><g transform="matrix(.022,-0,0,-.022,.062,11.675)"><path id="x1D45D" d="M570 304q0 -108 -87 -199q-40 -42 -94.5 -74t-105.5 -43q-41 0 -65 11l-29 -141q-9 -45 -1.5 -58t45.5 -16l26 -2l-5 -29l-241 -10l4 26q51 10 67.5 24t26.5 60l113 520q-54 -20 -89 -41l-7 26q38 28 105 53l11 49q20 25 77 58l8 -7l-17 -77q39 14 102 14q82 0 119 -36
t37 -108zM482 289q0 114 -113 114q-26 0 -66 -7l-70 -327q12 -14 32 -25t39 -11q59 0 118.5 81.5t59.5 174.5z" /></g></svg>-Laplacian as <svg style="vertical-align:-4.626pt;width:13.4125px;" id="M2" height="17.5" version="1.1" viewBox="0 0 13.4125 17.5" width="13.4125" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><g transform="matrix(.022,-0,0,-.022,.062,11.675)"><use xlink:href="#x1D45D" /></g></svg> Goes to <svg style="vertical-align:-0.0pt;width:11.3375px;" id="M3" height="15.55" version="1.1" viewBox="0 0 11.3375 15.55" width="11.3375" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"><g transform="matrix(.022,-0,0,-.022,.062,15.488)"><path id="x1D7CF" d="M441 24v-24h-373v24q75 2 96 20q22 19 22 85v378q0 70 -36 70q-26 0 -65 -16l-20 -8v26l251 109h18v-570q0 -57 19 -75q19 -17 88 -19z" /></g></svg> 

International Journal of Differential Equations

The Second Eigenvalue of the -Laplacian as Goes to

Figure 3