[CvGmt News] [Notiziario] [Settimanale] avviso seminario di finanza quantitativa prof. Aurélien Decelle (31.05.2018)

[Valeria Giuliani]

SEMINARIO DI FINANZA QUANTITATIVA



giovedì 31 maggio 2018

ore 17:00



*Scuola Normale Superiore*

Pisa

Aula Fermi



 *Aurélien Decelle*

*( **Université Paris-Sud XI
<https://scholar.google.it/citations?view_op=view_org&hl=it&org=1902191097879568909>)*



terrà un seminario dal titolo:



*“**Spectral learning of Restricted Boltzmann Machines**”*



*Abstract:*

In this presentation I will expose our recent results on the Restricted
Boltzman Machine (RBM). The RBM is a generative model very similar to the
Ising model, it is composed of both visible and hidden binary
variables, and traditionally used in the context of machine learning. In
this context,  the goal is to inferred the parameters of the RBM such that
it reproduces correctly a dataset's distribution. Although they have been
widely used in computer science, the phase diagram of this model is not
known precisely in the context of learning. In particular, it is not known
how the parameters influence the learning, and what exactly is learned
within the parameters of the model. In our work, we show how the SVD of the
data governs the first phase of the learning and how this decomposition
helps to dynamics and the equilibrium properties of the model.



Tutti gli interessati sono invitati a partecipare.



Classe di Scienze



Valeria Giuliani
Scuola Normale Superiore
Servizio alla Didattica e Allievi
tel. 050 509260
Piazza dei Cavalieri, 7
56126 Pisa
E-mail: valeria.giuliani at sns.it
E-mail: classi at sns.it

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