<div dir="ltr"><font face="arial, sans-serif" style="text-align:center"><div style="text-align:left"><font color="#000000">Prezados colegas,</font></div><div style="text-align:left"><font color="#000000"><br></font></div><div style="text-align:left">na próxima <b>sexta-feira</b>, 11 de junho, às <b>15h, </b>acontecerá mais um seminário do ciclo SPSP-IME-USP de 2021. As informações e os vídeos dos seminários estão disponíveis em <a href="https://sites.google.com/usp.br/psps-ime-usp" target="_blank">https://sites.google.com/usp.br/psps-ime-usp</a>. </div><div style="text-align:left">O link para o evento segue abaixo e ficará disponível também na página do evento no dia do seminário.</div></font><font face="arial, sans-serif" style="text-align:center"><div style="text-align:left"><br></div></font><font face="arial, sans-serif" style="text-align:center"><div style="text-align:left">Um abraço,</div><div style="text-align:left">Aline Duarte</div></font><div style="font-family:arial,sans-serif">-------------------------------</div><div style="font-family:arial,sans-serif"><br></div><div><b style="font-family:arial,sans-serif"><font color="#0000ff">Seminar on Probability and Stochastic Processes<br></font></b><br><font face="arial, sans-serif">Speaker:</font><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;font-family:Arial;color:rgb(33,33,33);vertical-align:baseline;white-space:pre-wrap"> </span><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;font-family:Arial;color:rgb(0,0,0);font-weight:700;vertical-align:baseline;white-space:pre-wrap">Lucas Affonso</span><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;font-family:Arial;font-weight:700;vertical-align:baseline;white-space:pre-wrap"> </span><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;font-family:Arial;color:rgb(33,33,33);font-weight:700;vertical-align:baseline;white-space:pre-wrap"> </span><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;font-family:Arial;color:rgb(33,33,33);vertical-align:baseline;white-space:pre-wrap">- (</span><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;font-family:Arial;color:rgb(0,0,0);vertical-align:baseline;white-space:pre-wrap">IME-USP</span><span style="background-color:transparent;font-variant-numeric:normal;font-variant-east-asian:normal;font-family:Arial;color:rgb(33,33,33);vertical-align:baseline;white-space:pre-wrap">)</span><font face="arial, sans-serif"><br></font><font face="arial, sans-serif"><font color="#ff0000">Next Friday, <b>June 11th - 3pm</b></font><br>Live on Google Meets: <a href="https://meet.google.com/ncm-neqz-dut" target="_blank">https://meet.google.com/ncm-neqz-dut</a> <br></font></div><font face="arial, sans-serif" style="text-align:center"><div style="text-align:left">Video recording will be available on: <a href="https://sites.google.com/usp.br/psps-ime-usp" target="_blank">https://sites.google.com/usp.br/psps-ime-usp</a> <br></div><div style="text-align:left"><br></div><div style="text-align:left"><div><b>Title</b>: A contour approach to multidimensional long-range Ising models<br></div><div><div><br><b>Abstract</b>: In 1982, Fröhlich and Spencer, using ideas introduced by the same authors in the study of BKT transition, solved a conjecture by Dyson showing that the one dimensional long-range Ising model with decay <img alt="\alpha=2" title="\alpha=2" src="https://s0.wp.com/latex.php?zoom=3&bg=ffffff&fg=000000&s=0&latex=%5Calpha=2" id="gmail-m_-7984876054312201056gmail-m_-8209839509627532688l0.5053543028859877" height="11" width="38" class="gmail-CToWUd" style="display: inline;"> undergoes a phase transition for small temperatures. After that, Cassandro, Ferrari, Merola, and Presutti provided a contour argument to prove phase transition for the same model with more general decays. In this talk, we will show how a contour argument can be developed to show phase transition for multidimensional long-range Ising models. As an application, we will show how our techniques apply to the model with a decaying field.</div><div><br>The talk is based on joint work with Rodrigo Bissacot, Eric O. Endo, and Satoshi Handa.</div></div></div></font></div>