>​</span></span>​</span></span></span><span class="mrel">=</span><span class="mord mathit">a</span><span class="mord"><span class="mord displaystyle textstyle uncramped"><span class="mord mathbf">e</span></span><span class="vlist"><span style="top:0.15em;margin-right:0.05em;"><span class="fontsize-ensurer reset-size5 size5"><span style="font-size:0em;">​</span></span><span class="reset-textstyle scriptstyle cramped"><span class="mord mathit" style="margin-right:0.0037em;">α</span></span></span><span 