[Dottorcomp] Insalate di Matematica - G. Barbieri 14/01/2026

[Insalate Di Matematica]

Dear all,

We wish you a happy new year 2^(22/2)-22 and are glad to invite you to
the *next
appointment* of the series of seminars "Insalate di Matematica". *Gabriele
Barbieri* (Università degli Studi di Milano-Bicocca) will give a talk,
which you can follow *in presence* and also *online* (see below for more
information).

Here the details:

*Date and time*: *14th of January 2026, 4:45 pm (CET)*

*Title*: "An introduction to diffeology"

*Abstract*: Diffeology is a framework for differential geometry introduced
by J.-M. Souriau.
Its central idea is to specify which parametrizations from Euclidean spaces
into a
given set are declared smooth. These parametrizations need not be locally
injective,
a feature that allows diffeology to encode smooth structures not only on
manifolds,
but also on singular quotients and infinite-dimensional spaces.
In this talk we will introduce the theory by presenting its axioms and
basic constructions, and discuss illustrative examples and counterexamples,
with comparisons with standard differential geometry. Time permitting, we
will briefly indicate applications to symplectic reduction.

*Keywords:* diffeology, differential geometry, singular spaces

*Information to attend in person*
The seminar will take place at the building U9-Koinè, Università degli
Studi di Milano Bicocca; room *U9-11*.


*Information to attend online*
https://unimib.webex.com/unimib/j.php?MTID=m101728a0c0258813b6aa97783fb11fad
(password: insalate, 46725283 from phones)
<https://unimib.webex.com/unimib/j.php?MTID=m101728a0c0258813b6aa97783fb11fad>

You can find the poster of the event in the attachment.
We are looking forward to seeing you!

For further information, please visit our website:
https://sites.google.com/view/insalate-di-matematica or contact us at
insalate.matematica a unimib.it. Find us also on our Instagram page:
https://www.instagram.com/insalate.di.matematica/
<https://www.instagram.com/insalate_di_matematica24/>

The organizers: Jessica Anzanello, Anna Donadini, Julian Feuerpfeil,
Kirubell Haile, Salvatore Lincastri, Paolo Malanchini, Marialetizia
Mosconi, Claudia Nocita, Eleonora Sforza, Filippo Valnegri.
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