<div dir="ltr"><div dir="auto"><div dir="ltr"><div dir="auto"><div dir="auto"><span style="font-size:small;word-spacing:1px">As part of the series of seminars </span><i style="font-size:small;word-spacing:1px">"Insalate di Matematica"</i><span style="font-size:small;word-spacing:1px">, <b>Davide Perego</b></span><span style="font-size:small;word-spacing:1px">, PhD student at </span><span style="font-size:small">the Università degli Studi di Milano-Bicocca</span><font style="font-size:small"><span style="word-spacing:1px">, will give a talk. </span></font><br></div><div dir="auto"><div style="font-size:12.8px;word-spacing:1px" dir="auto">The speaker will deliver the talk <i><u>in presence</u></i> and the meeting will also be <i><u>broadcasted online</u></i> (see below for more information).</div><div style="font-size:12.8px;word-spacing:1px" dir="auto"><br></div><div style="font-size:12.8px;word-spacing:1px" dir="auto"><font size="2">Here the details:</font></div><div dir="auto" style="font-size:12.8px;word-spacing:1px"><font size="2"><br></font></div><div dir="auto" style="font-size:12.8px;word-spacing:1px"><font size="2"><u>Date and time</u>: </font><b style="font-size:small">16th of</b><font size="2"><b> November 2022, 4:00 pm (CET)</b></font></div><div dir="auto" style="font-size:12.8px;word-spacing:1px"><br></div><div dir="auto"><font size="2" style="font-size:12.8px;word-spacing:1px"><u>Title</u>: <i style="background-color:rgb(255,217,102)">"</i></font><span style="font-size:12.8px;word-spacing:1px;background-color:rgb(255,217,102)"><i>Growing Trees and Coding in a Hyperbolic Farm"</i></span></div><div dir="auto"><span style="font-size:12.8px;word-spacing:1px"><i> </i></span></div><div dir="ltr" style="font-size:12.8px"><font size="2"><u style="word-spacing:1px">Abstract</u></font>: After introducing trees, we will define hyperbolic graphs as a slight generalization of them, together with their features.</div><div dir="ltr" style="font-size:12.8px">Then, we will see a couple of ways to associate trees to hyperbolic graphs and we will explore this connection in the case of hyperbolic groups. In particular, we will consider trees as languages, provide an idea of automata and use them for our geometric purpose.</div><div dir="ltr" style="font-size:12.8px"><br></div><div dir="ltr"><div dir="auto"><font size="2" style="font-size:12.8px"><u style="word-spacing:1px">Keywords</u><span style="word-spacing:1px">: </span></font><span style="font-size:12.8px;word-spacing:1px">trees - hyperbolic graphs - automata</span></div><div dir="auto" style="font-size:12.8px;word-spacing:1px"><font size="2"><br></font></div><div style="font-size:12.8px;word-spacing:1px"><font size="2"><b><u>Information to attend in room 2107<br></u></b></font></div><div style="font-size:12.8px;word-spacing:1px"><font size="2">The seminar will take place in room 2107, at the building U5-Ratio, Università degli Studi di Milano Bicocca<i> (be careful with the change of usual room)</i>.</font></div><div style="font-size:12.8px;word-spacing:1px"><font size="2"><br></font></div><div style="font-size:12.8px;word-spacing:1px"><font size="2"><b><u>Information to attend online</u></b></font></div><div style="font-size:12.8px;word-spacing:1px"><font size="2">The seminar will be streamed via</font><font size="2"> Webex platform at the following link:</font></div><div style="font-size:12.8px;word-spacing:1px" dir="auto"><font size="2"><a href="https://unimib.webex.com/unimib/j.php?MTID=m0b98c645a801da429cf5e488d11baa9c">https://unimib.webex.com/unimib/j.php?MTID=m0b98c645a801da429cf5e488d11baa9c</a> </font><span style="font-size:small">(</span><i style="font-size:small"><u>Password</u></i><span style="font-size:small">: Insalate)</span></div><div style="font-size:12.8px;word-spacing:1px"><br></div><div dir="auto" style="font-size:12.8px"><font size="2"><i><b>** We inform you that the talk will be recorded and uploaded on our website. If you join the talk <u>after the starting time</u>, we kindly ask you to ensure that <u>your microphone and webcam are turned off</u> **</b></i><br></font></div><div dir="auto" style="font-size:12.8px;word-spacing:1px"><font size="2"><br></font></div><div dir="auto" style="font-size:12.8px;word-spacing:1px"><font size="2">You can find the poster of the event in the attachment. We are looking forward to seeing you! </font></div><div dir="auto" style="font-size:12.8px;word-spacing:1px"><font size="2"><br></font></div><div dir="auto" style="font-size:12.8px;word-spacing:1px"><font size="2">For further information, please visit our website: <a href="https://sites.google.com/view/insalate-di-matematica" style="text-decoration-line:none;color:rgb(66,133,244)" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">https://sites.google.com/view/insalate-di-matematica</a> or contact us at <a href="mailto:insalate.matematica@unimib.it" style="text-decoration-line:none;color:rgb(66,133,244)" rel="noreferrer noreferrer noreferrer noreferrer noreferrer noreferrer" target="_blank">insalate.matematica@unimib.it</a>.</font></div><div dir="auto" style="font-size:12.8px;word-spacing:1px"><font size="2"><br></font></div><div dir="auto" style="font-size:12.8px;word-spacing:1px"><font size="2"><br>The organizers: </font>Andrea Bisterzo, Alberto Cassella, Bianca Marchionna, Andrea Rivezzi, Giovanni Siclari, Marta Tameni, Matteo Tarocchi, Marco Zullino.</div></div></div></div>
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