<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Dear Colleagues,<div class=""><br class=""></div><div class="">I apologise but there is a problem with the link of the zoom meeting.</div><div class=""><br class=""></div><div class="">Please use the following one:</div><div class=""><br class=""></div><div class="">Zoom: <a href="https://uniroma1.zoom.us/j/86080015153?pwd=dlV1eVNsS0xwazlMWTVZV05YeXZyUT09" class="">https://uniroma1.zoom.us/j/86080015153?pwd=dlV1eVNsS0xwazlMWTVZV05YeXZyUT09</a></div><div class=""><br class=""></div><div class="">Best regards</div><div class=""><br class=""></div><div class="">Raffaella</div><div class=""><br class=""><div class="">
<meta charset="UTF-8" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div>Prof. Raffaella Schneider</div><div><a href="mailto:raffaella.schneider@uniroma1.it" class="">raffaella.schneider@uniroma1.it</a></div><div class="">Dipartimento di Fisica </div><div class="">Senior Fellow Scuola Superiore di Studi Avanzati Sapienza</div><div class="">Sapienza Università di Roma</div><div class="">P.le A. Moro 2, 00185 Roma, Italy</div><div class="">Phone: +39 06 4991 4312</div><div class="">Skype: raffasch</div><div class="">Zoom: <a href="https://uniroma1.zoom.us/j/86080015153?pwd=dlV1eVNsS0xwazlMWTVZV05YeXZyUT09" class="">https://uniroma1.zoom.us/j/86080015153?pwd=dlV1eVNsS0xwazlMWTVZV05YeXZyUT09</a></div></div><br class="Apple-interchange-newline"><br class="Apple-interchange-newline">
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<div><br class=""><blockquote type="cite" class=""><div class="">On 12 Jan 2022, at 11:32, Raffaella Schneider <<a href="mailto:raffaella.schneider@uniroma1.it" class="">raffaella.schneider@uniroma1.it</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><meta http-equiv="Content-Type" content="text/html; charset=utf-8" class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Dear Colleagues,<div class=""><br class=""></div><div class="">This a gentle reminder for the following seminar, that will be held remotely.</div><div class=""><br class=""></div><div class=""><div class="" style="font-family: Tahoma, Verdana, sans-serif; font-size: 13.333333015441895px;">——————————</div><div class="" style="font-family: Tahoma, Verdana, sans-serif; font-size: 13.333333015441895px;">Mercoledi 12 Gennaio alle 16:00</div><div class="" style="font-family: Tahoma, Verdana, sans-serif; font-size: 13.333333015441895px;"><br class=""></div><div class="" style="font-family: Tahoma, Verdana, sans-serif; font-size: 13.333333015441895px;">Dominik Schleicher</div><div class="" style="font-family: Tahoma, Verdana, sans-serif; font-size: 13.333333015441895px;">Università di Conception, Cile</div><div class="" style="font-family: Tahoma, Verdana, sans-serif; font-size: 13.333333015441895px;"><br class=""></div><div class="" style="font-family: Tahoma, Verdana, sans-serif; font-size: 13.333333015441895px;">Title: Formation of the first supermassive black holes</div><div class="" style="font-family: Tahoma, Verdana, sans-serif; font-size: 13.333333015441895px;"><br class=""></div><div class="" style="font-family: Tahoma, Verdana, sans-serif; font-size: 13.333333015441895px;">Abstract:</div><div class="" style="font-family: Tahoma, Verdana, sans-serif; font-size: 13.333333015441895px;">For the origin of the first supermassive black holes in the Universe, different scenarios have been proposed, ranging from the direct collapse of massive gas clouds into one single object, run-away collisions in very dense stellar clusters, as well as accretion of initially stellar-mass black holes. In this talk I will present progress from the last several years in these different scenarios, starting with systematic tests of the direct collapse scenario and the conditions under which it is feasible. I will also discuss the possibility to have purely collison-based scenarios and their possible problems. Finally, I will present a new mixed scenario where the formation of a massive object is due to the interplay of collisions and accretions, including new results from recent numerical simulations.</div><div class="" style="font-family: Tahoma, Verdana, sans-serif; font-size: 13.333333015441895px;"><div class="" style="font-family: Helvetica; font-size: 13px;"><br class=""></div><div class="" style="font-family: Helvetica; font-size: 13px;"><a href="https://uniroma1.zoom.us/j/81122901013?pwd=M1hnRHRXZkEyeW1QMFlPQ2FXa0dNZz09#success" class="">https://uniroma1.zoom.us/j/81122901013?pwd=M1hnRHRXZkEyeW1QMFlPQ2FXa0dNZz09#success</a></div><div class="" style="font-family: Helvetica; font-size: 13px;"><br class=""></div><div class="" style="font-family: Helvetica; font-size: 13px;"><div class="" style="box-sizing: border-box; font-variant-ligatures: none; margin: 0px; outline: none; position: relative; text-decoration-line: inherit; text-decoration-thickness: initial; font-family: "Open Sans", sans-serif; line-height: 1.75; padding-top: 0px; orphans: 2; white-space: pre-wrap; widows: 2;">Meeting ID: 81122901013</div><div class="" style="box-sizing: border-box; font-variant-ligatures: none; margin: 0px; outline: none; position: relative; text-decoration-line: inherit; text-decoration-thickness: initial; font-family: "Open Sans", sans-serif; line-height: 1.75; padding-top: 0px; orphans: 2; white-space: pre-wrap; widows: 2;">Passcode: 686688</div></div></div><div class="" style="font-family: Tahoma, Verdana, sans-serif; font-size: 13.333333015441895px;">———————————</div></div><div class=""><br class=""></div><div class="">All the best</div><div class=""><br class=""></div><div class="">Raffaella</div><div class=""><br class=""></div><div class="">
<meta charset="UTF-8" class=""><div dir="auto" style="caret-color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class="">Prof. Raffaella Schneider</div><div class=""><a href="mailto:raffaella.schneider@uniroma1.it" class="">raffaella.schneider@uniroma1.it</a></div><div class="">Dipartimento di Fisica </div><div class="">Senior Fellow Scuola Superiore di Studi Avanzati Sapienza</div><div class="">Sapienza Università di Roma</div><div class="">P.le A. Moro 2, 00185 Roma, Italy</div><div class="">Phone: +39 06 4991 4312</div><div class="">Skype: raffasch</div><div class="">Zoom: <a href="https://uniroma1.zoom.us/j/86080015153?pwd=dlV1eVNsS0xwazlMWTVZV05YeXZyUT09" class="">https://uniroma1.zoom.us/j/86080015153?pwd=dlV1eVNsS0xwazlMWTVZV05YeXZyUT09</a></div></div><br class="Apple-interchange-newline"><br class="Apple-interchange-newline">
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