<html><head></head><body><div dir="auto">Cool.<br></div>
<div dir="auto">The guy invented the OPP reduction of the one-loop integrand<br></div>
<div dir="auto">(the reduction of the integrals was already done by Passarino and Veltman)<br></div>
<div dir="auto">His talks are usually pretty clear<br><br></div>
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<div class="gmail_quote" >On Nov 4, 2018, at 16:31, Mikhail Mikhasenko <<a href="mailto:mikhail.mikhasenko@gmail.com" target="_blank">mikhail.mikhasenko@gmail.com</a>> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div dir="ltr"><div class="markdown-here-wrapper" style=""><p style="margin:0px 0px 1.2em!important">FYI,<br>I discovered an <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.theorie.physik.uni-2Dmuenchen.de_activities_schools_archiv_index.html&d=DwMFaQ&c=lz9TcOasaINaaC3U7FbMev2lsutwpI4--09aP8Lu18s&r=CvbJayZQBYgScyPY1eGvzjMM8WTwrES8av-H1c3QR5g&m=ALOjMDS5Cfyn-Kw5m9bpFyie2nggpVpuD3CvEVZL2gY&s=BDOQhk4XH34ORdQEkwRxyOt5bnODN4SJWKb6mtYxdQ0&e=">archive</a> of video recording for the Arnold Sommerfeld School in Munchen.<br>A school on <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.theorie.physik.uni-2Dmuenchen.de_activities_schools_archiv_2012-5Fasc-5Fschool_index.html&d=DwMFaQ&c=lz9TcOasaINaaC3U7FbMev2lsutwpI4--09aP8Lu18s&r=CvbJayZQBYgScyPY1eGvzjMM8WTwrES8av-H1c3QR5g&m=ALOjMDS5Cfyn-Kw5m9bpFyie2nggpVpuD3CvEVZL2gY&s=pEAwRfEC3cgIWF20S4ExopEqfEnyR9u9excO8FsGVs0&e=">scattering amplitudes</a> in 2012 looked interesting to me.<br>Especially, lectures of Pierpaolo Mastrolia on the reduction of one loop scattering amplitudes (<a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__www.theorie.physik.uni-2Dmuenchen.de_activities_schools_archiv_2012-5Fasc-5Fschool_mastrolia-5Flect2.pdf&d=DwMFaQ&c=lz9TcOasaINaaC3U7FbMev2lsutwpI4--09aP8Lu18s&r=CvbJayZQBYgScyPY1eGvzjMM8WTwrES8av-H1c3QR5g&m=ALOjMDS5Cfyn-Kw5m9bpFyie2nggpVpuD3CvEVZL2gY&s=uPLmDgf13MXUn8bOlpavrnkZzfmslNgF1zYC2_ut2MU&e=">slides of lecture-II</a>).</p>
<p style="margin:0px 0px 1.2em!important">Cheers,</p>
<p style="margin:0px 0px 1.2em!important"> Misha</p>
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