as entries</span>

<span class="sd">    :param DgmSeries:</span>
<span class="sd">        A pandas.Series with entries Kx2 numpy arrays representing persistence diagrams.</span>

<span class="sd">    :returns: </span>
<span class="sd">        (float) Minimum birth time over all diagrams</span>

<span class="sd">    &#39;&#39;&#39;</span>
    <span class="k">return</span> <span class="nb">min</span><span class="p">(</span><span class="n">DgmsSeries</span><span class="o">.</span><span class="n">apply</span><s