<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">\input{_preamble}
\begin{document}
    \myeqs{
        \boldsymbol{U}^{(k)}
        =\left\{u_i^{(k)}\right\}
        \equiv\overunderbraces{
            &amp;&amp;\br{5}{\text{domain}\vphantom{p}}
        }{
            \left\{\vphantom{u^{(k)}}\right.
            &amp;u_{0}^{(k)},\dots,&amp;u_{p-k}^{(k)}&amp;,
            &amp;u_{p-k+1}^{(k)}, \dots,u_{n-k}^{(k)}
            &amp;,&amp;u_{n+1-k}^{(k)}&amp;,\dots,u_{n+p+1-2k}^{(k)}&amp; \left.\vphantom{u^{(k)}}\right\}}
        {&amp;\br{2}{p-k+1}&amp;&amp;\br{1}{n-p}&amp;&amp;\br{2}{1+p-k}},\quad
        u_{i}^{(k)}\leq u_{i+1}^{(k)},
    }
\end{document}
</pre></body></html>