June 2023 - Random - Mailing list — Dipartimento di Matematica, UniPI

One World ABC: J. Arruda and Y. Shälte- June 29, 9.30am UK time
by Massimiliano Tamborrino 15 Jun '23

15 Jun '23

Dear all, the last One World ABC Seminar<https://www.warwick.ac.uk/oneworldabc> of the season is quickly approaching! On Thursday, June 29, at 9.30am UK time, Jonas Arruda and Yannik Shälte (University of Bonn) will talk about "Amortized simulation-based inference for non-linear mixed-effects models" with an reported below. Abstract: Non-linear mixed-effects models are a powerful tool for studying heterogeneous populations in biology, medicine, engineering, and other fields. However, fitting these models is computationally challenging when the description of individuals is complex and the population is large. To address this issue, we propose the use of neural density estimation to approximate entity-specific posterior distributions in an amortized fashion. This approximation is then used to efficiently infer population-level parameters. Applying this approach to problems from single-cell biology, we demonstrate its scalability to large datasets in an unprecedented manner. Moreover, it enables accurate uncertainty quantification, simple testing of hypotheses, and extends to stochastic models, going beyond what established methods can give. In summary, our method constitutes a highly flexible novel approach has the potential to substantially improve the analysis of heterogeneous populations. The talk will be hosted on MS Teams here: https://teams.microsoft.com/l/meetup-join/19%3ameeting_OTYyY2FkMWQtZTkwNi00… We are looking forward to seeing you soon, best, Massimiliano on the behalf of the One World ABC Seminar Organisers ------ Dr. Massimiliano Tamborrino Associate Professor Department of Statistics University of Warwick https://warwick.ac.uk/tamborrino

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Amases Summer School
by Roy Cerqueti 15 Jun '23

15 Jun '23

Dear all, this is to inform you that the first edition of the AMASES Summer School will be held next September 4-6 at the University of Rome "La Sapienza", Building CU002. The goal of the Amases summer schools is to train young scholars on topics that are relevant in the context of mathematics applied to the social sciences. This year the title of the school is Social, Financial and Economic Networks. More information on the website: https://www.amases.org/amases-summer-school-2023/ For any question, do not hesitate to contact the organizers: Fabrizio Lillo <fabrizio.lillo(a)unibo.it> Roy Cerqueti <roy.cerqueti(a)uniroma1.it> -- **Fai crescere le giovani ricercatrici e i giovani ricercatori* **con il 5 per mille alla Sapienza *Scrivi il codice fiscale dell'Università *80209930587 Cinque per mille <https://www.uniroma1.it/it/node/23149>*

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Fwd: 2 Postdoc positions in Mathematics at GSSI
by Faggionato, Alessandra 14 Jun '23

14 Jun '23

Buongiorno ricevo e con piacere inoltro. Saluti Alessandra ---------- Forwarded message --------- From: Serena Cenatiempo <serena.cenatiempo(a)gssi.it> Date: Wed, 14 Jun 2023 at 17:33 Subject: 2 Postdoc positions in Mathematics at GSSI Dear all, This is to announce the following call for a two 2year Postdoc positions in Mathematics at GSSI, deadline *July 6th, 2023*. We welcome any application in applied PDEs, Numerical Analysis, Statistical Mechanics and Continuum Mechanics. Total gross salary is: € 45.000,00. Please find more details on the position at the following link https://gssi.it/albo-ufficiale-online-gssi post #315 or directly consult the call in English, available here <https://gssi.it/albo-ufficiale-online-gssi/item/download/4396_26fc3b69b46a2…> . For more information on Mathematics research at GSSI you can look at the pages https://www.gssi.it/research-area/maths-research https://www.gssi.it/people/professors/lectures-maths Please feel free to forward this announcement among potentially interested people and applications. With best regards Giulia Basti, Serena Cenatiempo, Marielle Simon, Stefano Olla, Lu Xu -------------------------------------------------- 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 *************************************************

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4-YEAR PHD PROGRAM IN MODELING AND ENGINEERING RISK AND COMPLEXITY AT THE SCUOLA SUPERIORE MERIDIONALE, NAPLES, ITALY
by Tiziano De Angelis 14 Jun '23

14 Jun '23

Dear All, Please find below the advert for 8 fully funded PhD positions at Scuola Superiore Meridionale, which may be of interest for students with a background in applied probability, statistics and mathematical finance. Best wishes Tiziano -------------------------- *4-YEAR PHD PROGRAM IN MODELING AND ENGINEERING RISK ANDCOMPLEXITY AT THE SCUOLA SUPERIORE MERIDIONALE, NAPLES, ITALY* From epidemics, climate change and sustainability to seismic engineering and Industry 4.0, all the crucial challenges facing mankind today require the ability to understand and engineer ever growing reliable interdependent, complex and interconnected systems and infrastructures. If you are interested in studying complex systems, understand how to manage and mitigate risks and cascade effects this is the right program for you! The Call for Applications for the 4 year PhD Program in Modeling and Engineering Risk and Complexity of the Scuola Superiore Meridionale (a brand new School for Advanced Studies established in Naples by the Italian Government in 2019) is now out and available at https://www.ssmeridionale.it/en-us/la-scuola/bandi-di-concorso/dottorati <https://www.ssmeridionale.it/en-us/la-scuola/bandi-di-concorso/dottorati>We are looking for bright and ambitious students from any area of Mathematics, Physics, Science and Engineering to join this exciting new program. *8 fully funded 4-year scholarships are available this year*Each scholarship includes a stipend of EUR 19,000 per year which is increased by 50% when the student is spending time abroad. Students are expected to spend at least 12 months abroad during their PhD. Each Scholarship also includes approx EUR 3,000 for research costs/travel per year. Students can choose their projects and supervisor from a vast range of options during their first year. Examples of past and ongoing research projects are available on the website of the MERC PhD program at https://bit.ly/merc-PhD <https://bit.ly/merc-PhD>Applicants must submit a brief scientific report (description of their MSc thesis work, CV, personal statement and reference letters) following the instructions provided at the website above by no later than 25th August 2023. Applications must be submitted using the online platform available at: https://pica.cineca.it/ssm/dottorato39-ssm/domande <https://pica.cineca.it/ssm/dottorato39-ssm/domande>Successful candidates will be announced by the end of September 2023 with the course officially starting on 1st November 2023. For any further information check out the PhD website at https://bit.ly/merc-PhD <https://bit.ly/merc-PhD> or contact the PhD Coordinator, Prof Mario di Bernardo, via e-mail at merc(a)ssmeridionale.it, or any of the PhD Board members listed in the PhD website above.

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Kaiserslautern Applied and Industrial Mathematics Days – KLAIM
by Alessandra Micheletti 14 Jun '23

14 Jun '23

Dear Colleagues, the second edition of the > > Kaiserslautern Applied and Industrial Mathematics Days – KLAIM > > will take place in Kaiserslautern, Germany, from September 25th-27th, 2023. > > The purpose of this workshop is to provide a forum for applied mathematicians from academia, research labs and industry to exchange ideas and to showcase recent results. After the successful start of this new conference series in 2021, we continue this year with the second edition of KLAIM, putting emphasis on the Synthesis of Models and Data. > This thematic focus addresses in particular the combination of model-based approaches and data-driven techniques, leading thus to hybrid learning frameworks. The workshop is hosted jointly by the Fraunhofer-Institute for Industrial Mathematics and the Department of Mathematics at the RPTU Kaiserslautern-Landau. > > The program will be structured along the five tracks > 1. Models and Data across Scales and Domains in Engineering Applications. This track is in collaboration with the ECMI Special Interest Group Math for the Digital Factory. > 2. Risk Management and Machine Learning > 3. Simulation and Optimization in Fluid Dynamics > 4. Mathematical Programming: Uncertain Data and Multiple Objectives > 5. Analyzing Materials Structures: Images, Machine Learning and Stochastic Geometry > > Besides we plan a special session about mathematical research data. > > Deadlines > Submission of abstracts: June 19th, 2023 (strict deadline) > Notification of acceptance: July 3rd, 2023 > Registration and payment of conference fee: August 18th, 2023 > For late registrations after August 18th, the conference fee is 270,- EUR. > > Find out more at: itwm.fraunhofer.de/klaim2023 > ----------------- Associate Professor - Probability and Mathematical Statistics ECMI <https://ecmiindmath.org/> Vice President Dept. of Environmental Science and Policy - ESP Università degli Studi di Milano via Saldini 50, 20133 Milano, Italy phone: +39-02503-16130 fax: +39-02503-16090 https://alessandramichelettiwebpage.wordpress.com/

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seminario di Gianni Pistone (DISMA-Politecnico di Torino)
by Paola Siri 14 Jun '23

14 Jun '23

Martedì 20 Giugno alle ore 11.00 presso l’aula seminari del DISMA (Politecnico di Torino) il prof. GIOVANNI PISTONE (de Castro Statistics, Collegio Carlo Alberto, e DISMA (former faculty)) terrà un seminario dal titolo Information Geometry of ANOVA and Transport Theory. ABSTRACT. Functional ANOVA (ANalysis Of VAriance) is used in Statistics and Sistem Theory. It is a non-parametric orthogonal splitting of the vector space of $L^2$ random variables. We use it to split the fibres of the affine statistical bundle. The base set consists of probability densities, and the fibres are vector spaces of Fisher’s scores. On a product sample space, one of the factors in the splitting is an additive model, while the other is a transport model. Tutti gli interessati sono invitati a partecipare. Per chi non avesse possibilità di partecipare in presenza, l'evento sarà trasmesso in streaming al seguente link https://didattica.polito.it/VClass/SeminarioPistone Paola Siri e Barbara Trivellato Paola Siri Probability, Statistics and Optimization group Department of Mathematical Sciences "G. L Lagrange" Politecnico di Torino [cid:A8CB887B-8B14-40BE-AAAD-8875D1B7658A]

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oggi ore 11.00 - Seminario Prof.ssa E. Rroji
by Enea Bongiorno 14 Jun '23

14 Jun '23

Buongiorno, con piacere segnalo il seguente seminario che si terrà oggi: -------------------------------- 14 giugno ore 11.00 - aula 101, campus Perrone, via Perrone, 18, Novara. Università del Piemonte Orientale. - on-line: meet.google.com/yvq-ccbt-pzt Title:* On the microstructure of green bonds* *Prof. Edit Rroji* University of Milano Bicocca - DISMEQ Abstract: The idea of this paper is to investigate differences in brown and green bonds from the lens of the trading activity. Our research exploits the idea that positive and negative jumps in the dynamics of returns have a specific memory nature that can be modelled through a self-exciting process. We investigate the microscopic structure and properties of high-frequency series of green and brown bonds using Hawkes type processes where the kernel is a CARMA(p,q) model. Empirical results suggest that the bid-ask spread of green bonds on average is larger for bonds issued by a financial institution while the opposite happens for bonds issued by a non financial company. Moreover, we observe that the intensities respectively of positive and negative jumps in the price dynamics are not stationary through time. Higher order bivariate Hawkes models provide better fitting results in our datasets, especially for the issuer that operates in the energy sector. This presentation is based on a joint work with Lorenzo Mercuri (University of Milan) and Andrea Perchiazzo (Vrije Universiteit Brussel). ----------------------------------- Locandina dell'evento <https://drive.google.com/file/d/1NunY3uhobfzBtP0qUUbxLJpnqcvFn4JM/view?usp=…> Seminari Matematici Statistici <https://sites.google.com/uniupo.it/seminari-ms/home-page> ----------------------------------- Tutti gli interessati sono invitati a partecipare. Cordiali saluti, Enea -- Enea Bongiorno,PhD Associate Professor of Statistics Università degli Studi del Piemonte Orientale Via Perrone 18, 28100, Novara, Italia Phone: +390321375317 enea.bongiorno(a)uniupo.it upobook.uniupo.it/enea.bongiorno Seminari Matematici Statistici <https://sites.google.com/uniupo.it/seminari-ms/home-page>

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PMS^2 hybrid talk: Mario Maurelli - 21/06/2023 - Politecnico di Milano
by Margherita Zanella 13 Jun '23

13 Jun '23

Dear colleagues, we are happy to announce the hybrid - that is, in person with online streaming - talk of the (PMS)^2 series: Speaker: Mario Maurelli (Università di Pisa) Title: No blow-up by nonlinear It\^o noise for the Euler equations. Abstract: We consider the incompressible Euler equations in two or three dimensions and we show that the addition of a suitable multiplicative It\^o noise with superlinear growth prevents a smooth solution from blowing up in finite time. The result is valid for a more general hyperbolic-type SPDE. The proof is based on the Lyapunov function method. Joint work with Marco Bagnara and Fanhui Xu. Date and time: Wednesday June 21, 14:30-15:30 (Rome time zone). Place: Aula Seminari - III piano (third floor), Dipartimento di Matematica, Politecnico di Milano, Piazza Leonardo da Vinci, 32 – 20133 Milano - Ed. 14 “Nave” Campus Bonardi. (Accesso pedonale da: Via A.M. Ampère, 2 - Milano, Via E. Bonardi, 9 - Milano, Via G. Ponzio, 31 - Milano). Zoom link: https://polimi-it.zoom.us/j/95561910050?pwd=amJISEdSRnAxcW9pOU53ZDREaEZadz09 ID riunione: 955 6191 0050 Passcode: 455231 This is a talk of the (PMS)^2: Pavia-Milano Seminar series on Probability and Mathematical Statistics organized jointly by the universities Milano-Bicocca, Pavia and Milano-Politecnico. For more information see the dedicated webpage: https://paviamilanoseminars.wordpress.com/ Participation is free and welcome! Best regards The organizers (Carlo Orrieri, Maurizia Rossi, Margherita Zanella)

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Next OWPS on June 21st: Maria Eulàlia Vares and Daniel Valesin
by Alberto Chiarini 13 Jun '23

13 Jun '23

OWPS's next session will be on Wednesday the 21st of June from 15:00 to 17:00 UTC (Coordinated Universal Time). We have the pleasure of introducing our next speakers: Maria Eulàlia Vares (Universidade Federal do Rio de Janeiro) and Daniel Valesin (University of Warwick) Title, abstract and the zoom link are below the signature and can be found on the website https://www.owprobability.org/one-world-probability-seminar. If you are interested in the project, we kindly ask you to share this announcement within your community. With best wishes, Alberto Chiarini (Padua) and Adrián González Casanova (Berkeley and México) ----------------------------------------------------------------------------------------------------------- Talk : Maria Eulàlia Vares and Daniel Valesin Title: Renewal contact process and contact process on dynamic random environments Abstract: In the first part of this talk, we will present recent progress on alternate versions of the Harris contact process, where we allow some aspect of the dynamics (transmissions or recoveries) to be governed by a general renewal process. In this case, several of the tools employed in the study of the classical process no longer apply, and new ones are required. We present conditions on the inter-arrival distribution of the renewal process that ensure survival or extinction of the infection. In the second part, we switch to a model introduced by Linker and Remenik (2020), namely the (classical) contact process evolving on a dynamical graph given by dynamic bond percolation on the edges of Z^d (the environment is thus defined by the percolation density p and the edge update rate v). Their work contains several interesting results about this model, including a result in dimension one that we extend to higher dimensions. This result states that, for any fixed value of the percolation density p below the critical threshold and the contact infection rate lambda, the infection dies out if the edge update rate v is small enough. Joint works with Luiz Renato Fontes (USP), Marcelo Hilário (UFMG), Domingos Marchetti (USP), Thomas Mountford (EPFL), Daniel Ungaretti (UFRJ). Join Zoom Meeting https://unipd.zoom.us/j/89463956862?pwd=M25LR1paZ0l6dlpMOVBiK2VjUWpEZz09 Meeting ID: 894 6395 6862 Passcode: 789866 If you are having trouble with zoom, or if the capacity of the zoom room gets exceeded, you can also access to the Youtube live stream at the channel of the seminar: https://www.youtube.com/channel/UCiLiEQGTp6bZEhuHDM-WNWQ

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Seminario di Sandra Cerrai al Politecnico di Milano
by Giuseppina Guatteri 13 Jun '23

13 Jun '23

Si avvisa che in data 22/06/2023, alle ore 15:30 precise, Aula Seminari III piano, dipartimento di Matematica, Politecnico di Milano, nell'ambito delle iniziative della sezione di Probabilità, si svolgerà il seguente seminario: An asymptotic approach to SPDEs on graphs Sandra Cerrai, University of Maryland Abstract: I will present some results about the asymptotic behavior of a class of stochastic reaction-diffusion-advection equations in the plane. I will show that as the divergence-free advection term becomes larger the solutions of such equations converge to the solution of a suitable stochastic PDE defined on the graph associated with the Hamiltonian. I will deal with the case when the stochastic perturbation is given by a singular spatially homogeneous Wiener process taking values in the space of Schwartz distributions. As in previous works, I will assume that the derivative of the period of the motion on the level sets of the Hamiltonian does not vanish. Time permitting, without assuming this condition on the derivative of the period, I will study a weaker type of convergence for the solutions of a suitable class of linear SPDEs. È gradita la sua partecipazione. Cordiali saluti. Giuseppina Guatteri Dipartimento di Matematica Politecnico di Milano Via Bonardi, 9 20133 Milano tel.: +390223994556 fax.:+390223994513 email: giuseppina.guatteri(a)polimi.it "Happiness can be found even in the darkest of times, if one only remembers to turn on the light" A. Dumbledore

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