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extent still eluding a rigorous treatment. By restricting to ideal,
zero-temperature situations, one resorts to consider suitable classes of
particle-interaction functionals. Crystallization then corresponds to prove
the periodicity of the minimizers of such functionals. In some
distinguished cases, this variational perspective can shed light on the
global geometry and the mechanics of crystalline solids. I will review some
classical results on crystallization, highlight recent advances, and
comment on the many open questions.

%%%%%%%%%%%%
ZOOM LINK
Topic: Very Informal Seminar - Ulisse Stefanelli
Time: Dec 16, 2021 2:15 PM Amsterdam, Berlin, Rome, Stockholm, Vienna

Join Zoom Meeting
https://us02web.zoom.us/j/81434822360?pwd=MFdaQ3VaVHVZSGd4Z1pyRm9hUUxIQT09

Meeting ID: 814 3482 2360
Passcode: 349391

-- 
Laura Spinolo
IMATI-CNR
via Ferrata 5, 27100 Pavia, Italy
Web: http://arturo.imati.cnr.it/spinolo/
Email: spinolo a imati.cnr.it

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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:verdana,=
sans-serif">Dear all, <br></div><div class=3D"gmail_default" style=3D"font-=
family:verdana,sans-serif"><br></div><div class=3D"gmail_default" style=3D"=
font-family:verdana,sans-serif">to avoid conflict with another event we hav=
e decided to move Ulisse&#39;s seminar to 2.15 pm. We apologize for the inc=
onvenience. <br></div><div class=3D"gmail_default" style=3D"font-family:ver=
dana,sans-serif"><br></div><div class=3D"gmail_default" style=3D"font-famil=
y:verdana,sans-serif">So, summing up: Ulisse&#39;s seminar is now scheduled=
 for <b>Thursday, December 16, at 2.15pm</b>. He will talk about &quot;Crys=
tallization&quot; and below you can find the abstract of his talk. <br><div=
 class=3D"gmail_default" style=3D"font-family:verdana,sans-serif"><br></div=
><div class=3D"gmail_default" style=3D"font-family:verdana,sans-serif">It w=
ill be an online only talk, and the Zoom link is at the end of this message=
. <br></div><div class=3D"gmail_default" style=3D"font-family:verdana,sans-=
serif"><br></div><div class=3D"gmail_default" style=3D"font-family:verdana,=
sans-serif">Should you need any further information, please feel free to co=
ntact us. <br></div><div class=3D"gmail_default" style=3D"font-family:verda=
na,sans-serif"><br></div><div class=3D"gmail_default" style=3D"font-family:=
verdana,sans-serif">Best regards, <br></div><div class=3D"gmail_default" st=
yle=3D"font-family:verdana,sans-serif"><br></div><div class=3D"gmail_defaul=
t" style=3D"font-family:verdana,sans-serif">Andrea, Lorenzo, Laura <br></di=
v><div class=3D"gmail_default" style=3D"font-family:verdana,sans-serif"><br=
></div><div class=3D"gmail_default" style=3D"font-family:verdana,sans-serif=
"><br></div><div class=3D"gmail_default" style=3D"font-family:verdana,sans-=
serif"><div class=3D"gmail_default" style=3D"font-family:verdana,sans-serif=
">%%%%%%%%%%%%%<br></div><div class=3D"gmail_default" style=3D"font-family:=
verdana,sans-serif"><div>TITLE: Crystallization <br>ABSTRACT:<br>Crystals c=
onstitute
 a prominent state of matter. Their geometries and beauty have=20
fascinated mankind since its early ages. Ever since, the specific=20
mechanical and electromagnetic properties of crystalline aggregates have
 been at the basis of crucial technologies including optics, metallurgy,
 and electronics. Correspondingly, the understanding of crystal=20
formation has been subject of constant attention over the centuries.<br><br=
>From
 the mathematical standpoint crystallization phenomena are to a large=20
extent still eluding a rigorous treatment. By restricting to ideal,=20
zero-temperature situations, one resorts to consider suitable classes of
 particle-interaction functionals. Crystallization then corresponds to=20
prove the periodicity of the minimizers of such functionals. In some=20
distinguished cases, this variational perspective can shed light on the=20
global geometry and the mechanics of crystalline solids. I will review=20
some classical results on crystallization, highlight recent advances,=20
and comment on the many open questions.</div><span><div><br>%%%%%%%%%%%%</d=
iv><div>ZOOM LINK<br></div></span></div><div class=3D"gmail_default" style=
=3D"font-family:verdana,sans-serif">Topic: Very Informal Seminar - Ulisse S=
tefanelli<br>Time: Dec 16, 2021 2:15 PM Amsterdam, Berlin, Rome, Stockholm,=
 Vienna<br><br>Join Zoom Meeting<br><a href=3D"https://us02web.zoom.us/j/81=
434822360?pwd=3DMFdaQ3VaVHVZSGd4Z1pyRm9hUUxIQT09" target=3D"_blank">https:/=
/us02web.zoom.us/j/81434822360?pwd=3DMFdaQ3VaVHVZSGd4Z1pyRm9hUUxIQT09</a><b=
r><br>Meeting ID: 814 3482 2360<br>Passcode: 349391</div></div></div><br>--=
 <br><div dir=3D"ltr" class=3D"gmail_signature" data-smartmail=3D"gmail_sig=
nature"><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div><=
div dir=3D"ltr"><div><div dir=3D"ltr"><div><div dir=3D"ltr"><div><div><div>=
<div><span style=3D"font-family:verdana,sans-serif">Laura Spinolo<br></span=
></div><span style=3D"font-family:verdana,sans-serif">IMATI-CNR<br></span><=
/div><span style=3D"font-family:verdana,sans-serif">via Ferrata 5, 27100 Pa=
via, Italy <br></span></div><span style=3D"font-family:verdana,sans-serif">=
Web: <a href=3D"http://arturo.imati.cnr.it/spinolo/" target=3D"_blank">http=
://arturo.imati.cnr.it/spinolo/</a><br></span></div><span style=3D"font-fam=
ily:verdana,sans-serif">Email: <a href=3D"mailto:spinolo a imati.cnr.it" targ=
et=3D"_blank">spinolo a imati.cnr.it</a></span> <br></div></div></div></div><=
/div></div></div></div></div></div></div></div></div>

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