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<p class="MsoNormal"><a href="https://community.wvu.edu/~krsubramani/">https://community.wvu.edu/~krsubramani/</a><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">Title: Selected Refutations in Clausal and Polyhedral systems<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">Abstract: This talk is concerned with providing certificates for<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">constraint satisfaction problems. Certification enhances trust in<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">the answers returned by an implementation. Of late, certification<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">has become an integral part of Explainable AI. We will discuss the<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">existence of certificates in both polyhedral and clausal systems. A
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"> secondary aspect of our research concerns finding certificates of<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">optimal length. We will present research results in this domain,    <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt">obtained over the last two decades.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:14.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="color:#5F5F5F">________________________________________________________________________________</span>
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<p class="MsoNormal"><span style="font-size:18.0pt;font-family:"Segoe UI",sans-serif;color:#252424">Microsoft Teams meeting</span><span style="font-family:"Segoe UI",sans-serif;color:#252424">
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Segoe UI",sans-serif;color:#252424">Meeting ID:
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