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Espressione di interesse per il Dipartimento di Matematica-Politecnico di Milano
by Luisa Andreis 03 Mar '23

03 Mar '23

Care colleghe e cari colleghi, Vi allego qui l’annuncio della possibilità di presentare al Dipartimento di Matematica del Politecnico di Milano espressioni di interesse per svariate posizioni (tenured-track position, associate o full professor). Vi prego di inoltrare questo annuncio a chi pensate possa essere interessata/o. Cordiali saluti, Luisa Andreis ------------------------------------------------------- RTD-B Dipartimento di Matematica Politecnico di Milano Personal webpage: https://sites.google.com/view/luisaandreis/home Email: luisa.andreis(a)polimi.it<mailto:luisa.andreis@polimi.it> ———————————————————————————————————————————————————————————— Thanks to the award of “Excellence Department” obtained from the Italian Ministery (MUR), the Department of Mathematics, Politecnico di Milano, Italy (www.mate.polimi.it<http://www.mate.polimi.it>) is seeking expressions of interest for Associate or Full Professor (permanent position) and tenured-track positions, to be covered starting from 2023 by outstanding scientists. Candidates in all areas of pure and applied mathematics will be considered and are invited to submit their files (see below). In particular, candidates with research interests related to the topics below are particularly welcome: - mathematical analysis, functional analysis, PDEs in fluid mechanics, elasticity, fluid-structure interactions - mathematics for quantum mechanics with attention to its analytical, geometrical and probabilistic features - development and analysis of differential models (PDEs) and their numerical implementation, focusing on some applications to sustainable development issues and biomedicine. Some experience in scientific computing, high-performance computing, or the application of scientific machine learning to this class of problems is appreciated. Successful candidates will be expected to contribute to the activities of the Department, in particular by doing: - Research, by developing/defining research projects, attracting funding, and disseminating their results through top-level publications. - Teaching, by offering courses for approximately 120 hrs per year (this translates to 2 courses per year) to students at the undergraduate and graduate level. - Management, by serving in committees and boards of our university. Candidates applying for professorship must have obtained the Italian national habilitation (ASN) for associate/full professor (see http://abilitazione.miur.it/public/index.php for applications), or must already hold an equivalent certified academic position. Salary is conformal to national standards. Taxes reduction may apply for 5 or more years according to the Italian rules. Interested candidates are kindly requested to submit via the link https://www.mate.polimi.it/forms/call_for_interest.php the following material (one single compressed file): - a curriculum vitae (maximum length 5 pages) - a complete list of publications - research statement (maximum length 2 pages) - a short letter explaining their interest in working in Italy and, in particular, at the Department of Mathematics, Politecnico di Milano (maximum length 1 page) Applications to be considered should reach within April 21, 2023, 5 pm (CET time). The official email of the procedure is call-dmat(a)polimi.it<mailto:call-dmat@polimi.it> Disclaimer Please note that this is a call for interest only, and not a job vacancy advertisement, and that the Department can decide on its own whether or not to open a position and at which level. The actual selection for a position will be based on a public selection procedure pursuant art. 18, comma 1 and 4, of Italian Law 240/2010 Luisa Andreis ------------------------------------------------------- RTD-B Dipartimento di Matematica Politecnico di Milano Personal webpage: https://sites.google.com/view/luisaandreis/home Email: luisa.andreis(a)polimi.it<mailto:luisa.andreis@polimi.it>

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De Finetti Risk Seminar - March 8, 2023
by Emanuela Rosazza Gianin 03 Mar '23

03 Mar '23

On behalf of the Scientific Committee of the "B. de Finetti Risk Seminars, Milano Lectures on the Mathematical Theory of Economics and Finance”, we are glad to invite you to participate at the following Lecture: Peter Tankov ENSAE Paris, France Title: Decarbonization dynamics of a large financial market: a mean-field game approach Abstract: We build a model of a financial market where a large number of firms determine their emission strategies under climate transition risk in the presence of both green-minded and neutral investors. The firms maximize a criterion depending on their financial performance (determined by the equilibrium share price), and their environmental performance. The interaction between the firms takes place through the stochastic discount factor, determined in equilibrium by the investors' preferences. We formalize the problem in the setting of mean-field games and prove the existence and uniqueness of a Nash equilibrium for firms. We then present a convergent numerical algorithm for computing this equilibrium and illustrate the impact of climate transition risk and the presence of green-minded investors on the market decarbonization dynamics and share prices in a variety of settings. LOCATION: The seminar will be held on *March 8, *2023 at *18.00,* Aula Di Rappresentanza, Dipart. Matematica, Università di Milano, Via Saldini 50, Milano. Scientific Committee Prof. Simone Cerreia-Voglio (Univ. Bocconi) Prof. Marco Frittelli (Univ. degli Studi di Milano) Prof. Fabio Maccheroni (Univ. Bocconi) Prof. Marco Maggis (Univ. degli Studi di Milano) Prof. Massimo Marinacci (Univ. Bocconi) Prof. Emanuela Rosazza Gianin (Univ. Milano-Bicocca) ****************************************** Emanuela Rosazza Gianin Dipartimento di Statistica e Metodi Quantitativi Università di Milano-Bicocca Edificio U7 – 4° Piano Via Bicocca degli Arcimboldi, 8 20126 Milano Tel. 02 64483208 e-mail: emanuela.rosazza1(a)unimib.it ****************************************** RispondiInoltra

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expression of interest for mini-symposium on Graphical Models for Life Science
by Daniela De Canditiis 03 Mar '23

03 Mar '23

Dear Colleagues, this is an invitation to express your interest in participating as a speaker at the following mini-symposium for the IMACS 2023 that will be in September in Rome *Site of Congress*: https://www.imacs2023.eu/index.php/IMACS2023/IMACS2023 *Title of the mini_symposium*: “Graphical Models for Life Science” *Organizers*: Claudia Angelini, Daniela De Canditiis and Italia De Feis (IAC-CNR) *Abstract*: Graphical models are an elegant framework for describing complex systems of random variables. The nodes represent variables, while the edges represent relationships among variables, such as conditional independence. Bayesian networks are direct acyclic graphs, while Markov networks are undirect graphs, both have undergone enormous development in the last decades. Graphical models are helpful for the statistical analysis of data in various domains. Recently, they are becoming strategic for life science, allowing us to infer relations among variables such as genes/proteins/diseases/. However, their use in life science opens novel challenges due to the amount and heterogeneity of the data. This Special Session is open to theoretical and methodological contributions and innovative applications in life science. All interested researchers are welcome to email one of the organizers by the 20th of March 2023. Best Regards Claudia Angelini: claudia.angelini(a)cnr.it <c.angelini(a)na.iac.cnr.it>, Daniela De Canditiis: d.decanditiis(a)iac.cnr.it, Italia De Feis: i.defeis(a)iac.cnr.it -- Daniela De Canditiis, PhD Istituto per le Applicazioni del Calcolo "M.Picone" (CNR) via dei Taurini, 19 -- 00185 Roma, Italy tel: +39 06 49937342 fax: +39 06 4404306 https://www.iac.cnr.it/personale/daniela-de-canditiis

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Announcement Bernoulli Workshop EPFL September 2023
by Lucio Galeati 02 Mar '23

02 Mar '23

Dear Professors and Colleagues, I am writing to advertise a young researcher workshop that we are organizing for this September (see announcement below) in the Bernoulli Center for fundamental studies <https://bernoulli.epfl.ch/> at EPFL. Feel free to share this announcement among potentially interested participants you might know. There are funding opportunities, but participation is limited. The application for participation and funding is done through this form https://www.epfl.ch/labs/amcv/amcv/events/young-researcher-workshop-enjoyin… The deadline is May 15th. Thanks in advance and best wishes, Michele, Lucio and Massimo ========= *Bernoulli workshop: Enjoying Probability and Fluids in Lausanne* Date: Monday, Sep 18, 2023 -- Friday, Sep 22, 2023 Place: Bernoulli center for fundamental studies at EPFL <https://bernoulli.epfl.ch/>, Lausanne, Switzerland The workshop aims at bringing together some of the most talented early stage researchers working on modern analytic and probabilistic aspects of fluid dynamics. The format will consist of several talks from invited speakers and open discussions. The focus will be on Euler, Navier-Stokes equations and related models. Topics that might be addressed include non-uniqueness, blow-up, bifurcation, invariant measures, ergodicity, mixing. The workshop is intended for early stage researchers (mainly Ph.D. and postdocs) interested in working on these subjects. Support for selected participants will be available. Organizing Commitee: Michele Dolce, Lucio Galeati, Massimo Sorella Website at Bernoulli: https://bernoulli.epfl.ch/programs/enjoying-probability-and-fluids-in-lausa… Website at EPFL: https://www.epfl.ch/labs/amcv/amcv/events/young-researcher-workshop-enjoyin…

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Seminar by Alessandra Faggionato, on March 6th, Padova Seminars in Probability and Finance
by Alberto Chiarini 02 Mar '23

02 Mar '23

Dear Colleagues, We would like to invite you to the "Padova Seminars in Probability and Finance seminar" that will take place on March 6th, 2023 at 16.00, Room 1BC45 at the department of Mathematics “Tullio Levi-Civita". The seminar will be held in person and online via the Zoom platform. _____________________________________________________ Speaker: Alessandra Faggionato (Università La Sapienza) Title: Hydrodynamic limit of simple exclusion processes on point processes with random conductances Date and time: Monday, MARCH 6th at 16.00 Place: room 1BC45 at the Department of Mathematics, University of Padova Zoom link: https://unipd.zoom.us/j/83774362817?pwd=ZDZnRGdZZGpDNDRQd3pMQUw4NUx4dz09 available also on the webpage https://www.math.unipd.it/~bianchi/seminari/ Abstract: We consider continuous-time random walks on a simple point process with random symmetric jump rates. The jump range can be unbounded. We assume some second-moment conditions and that the above randomness is left invariant by the action of the group G = R^d or G = Z^d. We then add the site-exclusion interaction, thus making the particle system a simple exclusion process. We show that, for almost all environments, under diffusive space-time rescaling the system exhibits a hydrodynamic limit in path space. The hydrodynamic equation is non-random and governed by the effective homogenized matrix D of the single random walk, which can be degenerate. The proof relies both on particle duality and on stochastic homogenization for a single random walk. We then focus on specific examples, including the simple exclusion process on Delaunay triangulations. With best regards, Alberto Chiarini Department of Mathematics Tullio Levi-Civita Via Trieste 63 35121 Padova Italy

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Seminario di Markus Fischer - 7 marzo, Sapienza Università di Roma
by Giacomo Di Gesu 02 Mar '23

02 Mar '23

Martedì 7 marzo, ore 14:00, Sala di Consiglio, Dipartimento di Matematica, Sapienza Università di Roma. *Speaker: *Markus Fischer, Università di Padova *Title: *On correlated equilibria and mean field games *Abstract: *Mean field games are limit models for symmetric N-player games, as the number of players N tends to infinity. The prelimit models are usually solved in terms of Nash equilibria. A generalization of the notion of Nash equilibrium, due to Robert Aumann (1974, 1987), is that of correlated equilibrium. In a simple discrete setting, we will discuss correlated equilibria for mean field games and their connection with the underlying N-player games. We first consider equilibria in restricted strategies (Markov open-loop), where control actions depend only on time and a player's own state. In this case, N-player correlated equilibria are seen to converge to the mean field game limit and, conversely, correlated mean field game solutions induce approximate N-player correlated equilibria. We then discuss the problem of constructing approximate equilibria when deviating players have access to the aggregate system state. We also give an explicit example of a correlated mean field game solution not of Nash-type. Results (with L. Campi and Federico Cannerozzi) on a related notion of equilibrium in a diffusion-type setting will be mentioned as well. Joint work with Ofelia Bonesini (Imperial College London) and Luciano Campi (University of Milan "La Statale")

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Seminar Prof. Kostas Kardaras on "Portfolio choice under taxation and time constraints", 02/03/2023 at 4:30pm (fwd)
by Tiziano Vargiolu 01 Mar '23

01 Mar '23

****************************** WHEN? Thursday 2 March 2023 at 4:30pm WHERE? Room: 2BC60 - TORRE ARCHIMEDE, via Trieste 63, 35121 Padova (only in presence) WHO? Prof. Kostas Kardaras (LSE London) WHAT? Seminar on "Portfolio choice under taxation and time constraints" Abstract: We consider the problem of choosing an investment strategy that will maximise utility over distributions, under capital gains tax and constraints on the expected liquidation date. We show that the problem can be decomposed in two separate ones. The first involves choosing an optimal target distribution, while the second involves optimally realising this distribution via an investment strategy and stopping time. For the latter step, a variant of the Azema-Yor solution to the Skorokhod embedding problem is utilised, and its description is given very precisely in terms of solutions to algebraic equations.

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Webinar PRISMA lunedì 6 marzo GUBINELLI-CALVIA
by Claudia Ceci 28 Feb '23

28 Feb '23

Buongiorno a tutt* ho il piacere di annunciare il prossimo webinar del ciclo di seminari online promosso dal Gruppo UMI PRISMA (http://www.umi-prisma.polito.it/index.html) *Lunedì 6 marzo 2023, * *ore 16-17 Alessandro Calvia* *Titolo: *Stochastic filtering in a non-Markovian framework with predictable jump times. *Abstract:* Stochastic filtering is a classic branch of applied probability. Research on this subject began with the pioneering works of N. Wiener and R. E. Kalman; since then, it has vastly expanded in numerous directions and is still ongoing. The starting point of a stochastic filtering problem is a partially observed system, i.e., a model consisting of a signal (or unobserved) process and an observed process. The main goal is to compute an equation satisfied by the filter, which is the conditional distribution of the hidden signal given the available observation. To deduce filtering equations, classic models usually feature Markovian signal-observation pairs that may only have totally inaccessible jump times. In this talk I will present a non-Markovian model, with path-dependent coefficients, that also allows for predictable jump times both in the signal and in the observed process. These two features naturally arise in various applications and require some new ideas and non-trivial technical tools to be dealt with in the context of stochastic filtering. After providing some examples, I will deduce the filtering equation and, if time permits, I will discuss some possible future research. This is joint work with Elena Bandini and Katia Colaneri. *ore 17-18 **Massimiliano Gubinelli* *Titolo:* What is stochastic quantisation? *Abstract:* Euclidean quantum fields (EQFs) are probability measures on spaces of generalized functions on R^d out of which one can construct quantum field theories via a well understood procedure. Proving the existence of non-Gaussian Euclidean quantum fields in dimensions d=2,3 has been proved quite challenging, and informed the development of new mathematical techniques (logarithmic Sobolev inequalities, phase-space expansion, cluster and polymer expansions, renormalization group). More recently, also thanks to development in the theory of singular stochastic partial differential equations, the study of these probability measures has been taken on again, from the point of view of stochastic analysis. I will try to give a broad panorama of this stochastic approach, of his results and of the many open problems. As a result I would like to motivate the idea that stochastic quantisation should be seen as a novel kind of stochastic analysis adapted to situations, like EQFs, where stochastic calculus alone is not effective due to singular nature of the objects or the lack of a useful filtration. Qui di seguito il link per la partecipazione: https://teams.microsoft.com/l/meetup-join/19%3ad685b25ed15f4821ac5168e63cf9… Cari saluti, Claudia Ceci *************************************************************************** Claudia Ceci Dipartimento di Metodi e Modelli per l’Economia, il Territorio e la Finanza (MEMOTEF) Università di Roma La Sapienza Via Del Castro Laurenziano 9 Roma 00161 Italy Email: claudia.ceci(a)uniroma1.it

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OWPS Tomorrow: Alan Hammond and Tyler J. Helmuth
by Alberto Chiarini 28 Feb '23

28 Feb '23

Dear all, A reminder that tomorrow (Wednesday), from 15:00 to 17:00 UTC, Alan Hammond and Tyler J. Helmuth will be speaking at the One World Probability Seminar. Titles, abstracts and the zoom link are below the signature and will also be posted on the website https://www.owprobability.org/one-world-probability-seminar. We kindly ask that you share this message within your community. Best wishes, Alberto Chiarini and Adrián González Casanova ----------------------------------------------------------------------------------------------------------- Talk 1 : Alan Hammond (Berkeley) Title : Stake-governed random-turn games Abstract : Many combinatorial games, such as chess, Go and Hex, are zero-sum games in which two players alternate in making moves. In a random turn variant, each player wins the right to move at any given turn according to the flip of a fair coin. In 2007, Peres, Schramm, Sheffield and Wilson [PSSW] found explicit optimal strategies for a broad class of random-turn games, including Hex (which remains unsolved in its alternating-turn form on the 11-by-11 boards in which it is often played in tournaments). In this talk, we discuss stake-governed random-turn games, introduced recently in joint work with Gábor Pete. Two players of Hex are each given a certain limited budget at the outset of the game. At each turn, each stakes some part of what remains of her budget. The ensuing turn is random, with a player winning the right to move according to the proportion that her stake composes of the total stake at the turn. How much should a player stake at any given turn? Opposing pressures compete: stake too little, and lose the turn; too much, and be left with too little for later in the game. So this question concerns how to evaluate the relative strategic importance of intermediate positions in multi-turn games. We answer it for a class of games that are cousins of the random tug-of-war games introduced by PSSW in 2009; these authors forged a connection between game theory and the infinity Laplacian (which is an L^\infty counterpart to the usual L^2 Laplacian), and we will see how, in a discrete context at least, this connection extends to stake-governed random-turn games. Talk 2 : Tyler J. Helmuth (Durham University) Title : The Arboreal Gas Abstract : In Bernoulli bond percolation each edge of a graph is declared open with probability p, and closed otherwise. Typically one asks questions about the geometry of the random subgraph of open edges. The arboreal gas is the probability measure obtained by conditioning on the event that the percolation subgraph is a forest, i.e., contains no cycles. Physically, this is a model for studying the gelation of branched polymers. What are the percolative properties of these random forests? Do they contain giant trees? I will discuss what is known and conjectured. Zoom-link: https://unipd.zoom.us/j/88156851546?pwd=a1NPSkYxRlZoV3dYeERSY3NkV3kvUT09 Meeting ID: 881 5685 1546  Passcode: 718658 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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Seminar by Riccardo Michielan in Florence
by Gianmarco Bet 28 Feb '23

28 Feb '23

Dear colleagues, Today at 2.30 PM Riccardo Michielan (University of Twente) will present a seminar on "Is there geometry in real networks?” at the University of Florence (Department of Statistics and Computer Science, Viale Morgagni 59, Aula 205). The Seminar will be available also online. Please register here to participate online: https://us02web.zoom.us/webinar/register/WN_O2wv8qTvRBWYKcyZw2qOrQ <https://www.google.com/url?q=https://us02web.zoom.us/webinar/register/WN_O2…> After registering, you will receive a confirmation email containing all information and the link to join the webinar. You are invited to forward the event also to your students, PhDs and colleagues who may be interested in the Seminar (you find a flyer with all the info, including abstract, attached). Kind Regards, Gianmarco Bet ---------------------------------------------------------------------- Gianmarco Bet (he/him) Senior researcher https://gianmarco.bet Phone: (+39) 055 2751491 Department of Mathematics and Informatics "U. Dini" University of Florence Viale Morgagni, 65 50134 Firenze, Italy Office 64 https://unifirenze.webex.com/meet/gianmarco.bet ----------------------------------------------------------------------

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