<div dir="ltr">




<span></span>





<p class="m_-7354024643631655973gmail-p1" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:12.8px;line-height:normal;font-family:Arial;color:rgb(35,35,35);min-height:15px"><span style="color:rgb(34,34,34);font-family:arial,sans-serif;font-size:small">SEMINARIO DI EQUAZIONI DIFFERENZIALI</span><span class="m_-7354024643631655973gmail-s1" style="font-kerning:none"></span></p><br>Dipartimento di Matematica<br><br>Universita' degli Studi di Roma "Tor Vergata"<br><br><br><br>Martedi' 20 Febbraio 2018, ore 14:30 Aula Dal Passo<br><br><br>Paolo Albano (Universita' di Bologna)<br><br><br>Titolo: On the analytic regularity for operators sums of squares of vector fields<br><br><br>Abstract:<br><br>We describe the problem of the analytic and Gevrey regularity for operators sums of squares of  real-analytic vector fields satisfying the Hoermander bracket generating condition. <br><br><br><br><br><br>Website: <a href="http://www.mat.uniroma2.it/~sorrenti/SeminarioED.html" target="_blank">http://www.mat.uniroma2.it/~<wbr>sorrenti/SeminarioED.html</a>
<p class="m_-7354024643631655973gmail-p4" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:Courier;color:rgb(50,51,51);min-height:14px"><br></p>
<p class="m_-7354024643631655973gmail-p4" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:Courier;color:rgb(50,51,51);min-height:14px"><br></p>
<p class="m_-7354024643631655973gmail-p4" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:Courier;color:rgb(50,51,51);min-height:14px"><br></p>
<p class="m_-7354024643631655973gmail-p4" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:Courier;color:rgb(50,51,51);min-height:14px"><br></p>
<p class="m_-7354024643631655973gmail-p4" style="margin:0px;font-style:normal;font-variant:normal;font-weight:normal;font-stretch:normal;font-size:12px;line-height:normal;font-family:Courier;color:rgb(50,51,51);min-height:14px"><br></p>


<br clear="all"><div><br></div>-- <br><div class="m_-7354024643631655973gmail_signature" data-smartmail="gmail_signature">Dipartimento di Matematica<br>Università degli Studi di Roma "Tor Vergata"<br>Via della Ricerca Scientifica 1<br>00133 Rome (Italy)<br><br>Phone: <a href="tel:06%207259%204663" value="+390672594663" target="_blank">+39 06 72594663</a><br>Fax:      <a href="tel:06%207259%204699" value="+390672594699" target="_blank">+39 06 72594699</a><br>Web page: <a href="http://www.mat.uniroma2.it/~sorrenti" target="_blank">http://www.mat.uniroma2.it/~<wbr>sorrenti</a><br>Email: <a href="mailto:sorrentino@mat.uniroma2.it" target="_blank">sorrentino@mat.uniroma2.it</a></div>
</div>