Buongiorno, ricevo e con piacere inoltro. Saluti Alessandra ---------- Forwarded message --------- From: Serena Cenatiempo <serena.cenatiempo@gssi.it> Date: Wed, 3 May 2023 at 08:01 Subject: GSSI Math Colloquium by Daniel Ueltschi / May 4th at 14.00 To: Alessia Nota <alessia.nota@univaq.it> Dear all of the SMAQ group, this is to announce that Daniel Ueltschi will give a Colloquium talk at GSSI on *Loop models and the universal distribution of the loop lengths* this Thursday*, May 4th, 2023 at 14.00 in the **GSSI Auditorium (please NOTICE the unusual time).* The talk will be also streamed online at the link below: https://zoom.us/j/97365002731?pwd=cmR1Y0RIV3lxTlJ5QWVJUlN0akNvQT09 ID riunione: 973 6500 2731 Passcode: MATHatGSSI Abstract. I will review several models that consist of one-dimensional loops living in the three-dimensional space. These models describe bosonic systems, and classical or quantum spin systems. Their common feature is that the joint distribution of their loop lengths has universal behaviour: It is always a Poisson-Dirichlet distribution. Most of this theory is conjectural, but it is backed by numerical studies and some partial rigorous results. Best, Serena -------------------------------------------------- Serena Cenatiempo Gran Sasso Science Institute (GSSI) Viale Crispi n.7, 67100 - L'Aquila (Italy) phone: +39 0862 428 0276 email: serena.cenatiempo[at]gssi[dot]com homepage: http://www.serenacenatiempo.it/ -- ************************************************* Prof. Alessandra Faggionato https://www1.mat.uniroma1.it/people/faggionato/ Department of Mathematics University "La Sapienza" Piazzale Aldo Moro, 5 00185 - Rome Office 5, Phone (0039) 06 49913252 *************************************************