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UiO - call for an associate professor in Stochastics and PDEs
by Giulia Di Nunno 25 Mar '21

25 Mar '21

Dear Colleagues, this is to draw your attention to the call for an Associate Professor position at the University of Oslo in Stochastics and Partial Differential Equations: https://www.jobbnorge.no/en/available-jobs/job/202219/associate-professor-i… The deadline is April 21, 2021. All interested candidates are welcome to apply, please help us to advertise this call. Thank you in advance! Best regards, Giulia --- Giulia Di Nunno Professor Department of Mathematics University of Oslo, Norway

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(Reminder) Seminar Thursday 25 - Reciprocity in a Preferential Attachment Network
by Gianmarco Bet 24 Mar '21

24 Mar '21

Dear colleagues, This is a reminder that tomorrow (Thursday 25) at 16:00, prof. Tiandong Wang (Texas A&M) will give a virtual seminar “in Florence”, to which you are all invited. You can find title and abstract below this message. The seminar will be on Zoom, and the information to join is: Topic: Tiandong Wang - Reciprocity in a Preferential Attachment Network Time: Mar 25, 2021 04:00 PM Rome https://us02web.zoom.us/j/82762436142?pwd=MW45SWN6NTBqV0VWbVJWREhESmtaZz09 <https://us02web.zoom.us/j/82762436142?pwd=MW45SWN6NTBqV0VWbVJWREhESmtaZz09> Meeting ID: 827 6243 6142 Passcode: 897951 If you know of someone who might be interested and is not subscribed to the random mailing list, please do not hesitate to forward this announcement to them. Kind regards, Gianmarco Title: Reciprocity in a Preferential Attachment Network Abstract: Empirical studies show that online social networks have not only in- and out-degree distributions with Pareto-like tails, but also a high proportion of reciprocal edges. A classical directed preferential attachment (PA) model generates in- and out-degree distribution with power-law tails, but theoretical properties of the reciprocity feature in this model have not yet been studied. We derive the asymptotic results on the number of reciprocal edges between two fixed nodes, as well as the proportion of reciprocal edges in the entire PA network. We see that with certain choices of parameters, the proportion of reciprocal edges in a directed PA network is close to 0, which differs from the empirical observation. This points out one potential problem of fitting a classical PA model to a given network dataset with high reciprocity, and indicates alternative models need to be considered. ---------------------------------------------------------------------- Gianmarco Bet (he/him) Junior 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 ----------------------------------------------------------------------

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Fwd: [owps] One World Probability Seminar Thursday March 25, 2021
by Faggionato, Alessandra 24 Mar '21

24 Mar '21

Buongiorno, vi inoltro l'annuncio del OWPS di domani, che riguarderà il modello $\phi^4_3$. Quello di domani sarà l'ultimo OWPS prima della pausa di Pasqua. Il OWPS riprenderà dopo le vacanze (credo il 15 Aprile) con moderatori Nina Gantert and Julien Berestycki. Saluti Alessandra ---------- Forwarded message --------- Da: One World Probability <ow.probability(a)gmail.com> Date: mer 24 mar 2021 alle ore 09:09 Subject: [owps] One World Probability Seminar Thursday March 25, 2021 To: <owps(a)lists.bath.ac.uk> Tomorrow's speakers in the One World Probability Seminar are3(Note: all times are in UTC. *Due to time changes, you should check what that translates to in your location*) ------------------------------------------------ (14:00-15:00 UTC) Speaker: Hendrik Weber (University of Bath) Title: Phase transitions for $\phi^4_3$ - Part 1 Abstract: The $\phi^4$ model is a classical model in Mathematical Physics, arising e.g. as a continuous version of the Ising model, as a toy model for a Quantum field theory and it is also closely related to the invariant measures of certain Hamiltonian PDEs. The aim of this series of two talks is to discuss the infinite volume limit and the emergence of phase transitions for this model: we will show that in a certain parameter regime, the model exhibits a phase segregation behaviour, akin to the low temperature phase of the Ising model. In the first lecture I will put our result into perspective by first discussing the connection of continuous $\phi^4$ and discrete Ising models as well as the phase segregation in low temperature Ising models. I will then discuss a variational approach to estimating the $\phi^4$ partition function, which is due to Barashkov and Gubinelli and a key ingredient of our method. Based on Chandra, Gunaratnam, Weber, arXiv:2006.15933. (15:00-16:00 UTC) Speaker: Trish Gunaratnam (University of Geneva) Title: Phase transitions for $\phi^4_3$ - Part 2 Abstract: In this talk I will continue to discuss phase transitions for $\phi^4_3$. I will establish a surface order large deviations estimate for the average magnetisation at sufficiently low temperatures in large but finite volumes. This immediately gives an upper bound on the decay of the spectral gap for the associated $\phi^4_3$ singular SPDE in the infinite volume limit. At the heart of this result are the development of Peierls’ contour bounds for $phi^4_3$, which requires control over the small-scale divergences and the low temperature Hamiltonian. We achieve this by incorporating a low temperature expansion, inspired by Glimm, Jaffe, and Spencer’s classical work on $\phi^4_2$, within the variational representation of the $\phi^4_3$ via coarse-graining. Based on Chandra, Gunaratnam, Weber, arXiv:2006.15933. ------------------------------------------------ The zoom link will appear the day before on the OWPS website: https://www.owprobability.org/one-world-probability-seminar <https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.owpro…> It can also be directly accessed through the link below: https://uniroma1.zoom.us/j/82058081391?pwd=MWZTNEpZY2I3NEtYa0tFczdTenR0QT09 <https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Funiroma1.…> Meeting ID: 820 5808 1391 Passcode: 493605 Please feel free to circulate this email. We hope to see you all tomorrow! One World Probability Team -- ************************************************* Prof. Alessandra Faggionato http://www1.mat.uniroma1.it/~faggionato/ Department of Mathematics University "La Sapienza" Piazzale Aldo Moro, 5 00185 - Rome Office 5, Phone (0039) 06 49913252 *************************************************

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Rtd-b Genova
by Eva Riccomagno 23 Mar '21

23 Mar '21

Buonasera a Tutti è stato pubblicato l'avviso relativo all'indizione di una procedura selettiva per 1 posto da Ricercatore a tempo determinato RTD-B in SECS-S/01 presso il Dipartimento di Matematica dell’Università degli Studi di Genova. Il bando è disponibile alla pagina concorsi del sito web di Ateneo all’indirizzo https://concorsi.unige.it/home/procedure/2768 <https://concorsi.unige.it/home/procedure/2768> La scadenza per la presentazione delle domande è il 19 aprile 2021 alle ore 12:00:00. Cordiali saluti, Eva Riccomagno

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Sussex probability seminar
by Enrico Scalas 23 Mar '21

23 Mar '21

Dear Colleagues, Next Monday 29th March at 11am, we’ll have an online probability seminar with a talk given by Nicholas Simm. Title: The characteristic polynomial of a random unitary matrix: from secular coefficients to holomorphic multiplicative chaos Description: I will begin by introducing some basic questions / historical tidbits regarding eigenvalue statistics of random matrices. Then I will discuss some recent work concerning limit theorems for secular coefficients of random unitary matrices, which are the Fourier coefficients of the characteristic polynomial. This draws on ideas from Gaussian multiplicative chaos on the one hand, but also combinatorial structures such as magic squares and random permutations make an appearance. This is joint work with Joseph Najnudel (Bristol) and Elliot Paquette (McGill) , pre-print: https://arxiv.org/pdf/2011.01823.pdf. If you are interested in attending, please write to Dr Minmin Wang ( minmin.wang(a)sussex.ac.uk) for the Zoom link. Best wishes, Enrico Scalas

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10th General AMaMeF Conference - Call for Contributed Talks
by Claudio Fontana 23 Mar '21

23 Mar '21

Dear all, This is the Call for Contributed Talks at the 10th General AMaMeF Conference, held on 22-25 June 2021. The 10th edition of the meeting will be hosted by the Department of Mathematics "Tullio Levi-Civita" at the University of Padova (Italy). The program consists of 8 plenary lectures, 9 invited sessions and several contributed sessions. We welcome submissions for contributed talks in mathematical finance and its applications, including but not limited to the following topics: • Algorithmic trading • Asset pricing under market frictions • Collateralization and XVA • Credit risk and interest rate modeling • Energy and commodity markets • Equilibrium models • Financial technology • Green and sustainable finance • Insurance mathematics • Machine learning in finance • Market microstructure • Mean-field games and stochastic control • Model uncertainty and model risk • Optimal transport and robust finance • Portfolio optimization • Risk measures • Stochastic volatility modeling • Systemic risk and financial networks Each contributed talk will be allocated a 30 minutes time slot (25 min. presentation + 5 min. Q&A). Submission: you can submit title and abstract of your talk, with complete indication of names and affiliations of all authors, together with at most five key-words. It is possible (but not required) to upload the pdf file of your paper or an extended abstract. Submission webpage: https://easychair.org/conferences/?conf=amamef-2021 <https://easychair.org/conferences/?conf=amamef-2021> Deadline: Monday 3 May 2021. Acceptance notifications will be sent before 15 May 2021. Format of the conference: we plan to organize the conference in a hybrid format, with the presence of a limited number of participants in Padova. For in person participation, we will follow a first-come-first-served rule, according to the date of registration to the conference (the opening of the registration will be announced in due time). In any case, every speaker will have the possibility of presenting remotely. If the conditions do not allow a hybrid format, we will rapidly switch to a fully online format. We expect to have precise information on the format of the conference in April. Fees for a virtual conference will be significantly less than for an in-person conference. Conference website: https://events.math.unipd.it/AMAMEF2021 <https://events.math.unipd.it/AMAMEF2021> Contact: any inquiry about submissions should be emailed to amamef2021(a)math.unipd.it <mailto:amamef2021@math.unipd.it> Best regards, The organising committee, Giorgia Callegaro, Claudio Fontana, Martino Grasselli, Wolfgang J. Runggaldier, Tiziano Vargiolu

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Post-Doc position at the Weierstrass Institute
by Robert I. A. Patterson 23 Mar '21

23 Mar '21

Dear colleagues, the Weierstrass Institute in Berlin has an immediate vacancy for a post-doc in the group “Interacting Random Systems”. This is a staff position where one would have some freedom to take on responsibility and start new projects. For more details please see https://short.sg/j/9473020 <https://short.sg/j/9473020> . The deadline for applications is 02 May. Kind regards, Robert Patterson

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International Conference in Venice on COMPOUND RISK - CALL FOR PAPERS
by Monica Billio 21 Mar '21

21 Mar '21

20th INTERNATIONAL CONFERENCE CREDIT 2021 *Compound Risk: Climate, Disaster, Finance, Pandemic * Venice, Italy 23 –24 September 2021 * * *GRETA Associati* (Venice, Italy), *European Datawarehouse *(Frankfurt, Germany), *European Investment Bank* (Luxembourg), *European Investment Fund *(Luxembourg) and *Intesa Sanpaolo *(Milan, Italy) are co-sponsors of a Conference to be held in Venice on September 23-24, 2021. The Conference CREDIT 2021 will bring together academics, practitioners and PhD students working in various areas of financial and credit risk with the aim to create a unique opportunity for participants to discuss research progress and policy and industry-relevant insights as well as directions for future research. Credit 2021 is the *twentieth *in a series of events dedicated to various aspects of credit risk and organised under the auspices of the *Department of Economics* and *VERA - Venice centre in Economic and Risk Analytics for public policies - of the Ca’ Foscari University of Venice*, *ABI - Italian Banking Association*,***AIAF - Associazione Italiana per l'Analisi Finanziaria* and the *Joint Research Center, European Commission* (Ispra, Italy). The theme of this year’s conference is the relation between financial risk on the one hand and pandemic, climate and disaster risk, on the other hand, with particular attention to the possible compounding of different sources of risk. The past year, 2020, has been marked by the still-ongoing COVID-19 pandemic crisis, which has shown how fragile our economic systems can be when confronted with shocks that threaten public health and the closeness of the connections between economic and financial risks and public policy. Climate change is now widely recognized as a new source of financial risk which is relevant both at the level of households and individual institutions and the systemic level. In particular, the many central banks and financial institutions that have joined the Network for Greening the Financial System (NGFS) have issued recommendations on how to integrate climate considerations into risk management strategies and practices. However, risks such as pandemics and climate change do not occur in isolation but can also compound, as has already been seen in several countries. The compounding of risk, which is currently poorly understood, increases the complexity of risk assessment and risk management, and it has implications for socio-economic development, as well as for public debt sustainability. In the EU, these aspects have major implications for efforts to increase the resilience of the economy to future shocks and to “build back better”, and requires the alignment of COVID-19 recovery policies, such as those supported by the NextGenerationEU, and the EU Green Deal and the Paris Agreement targets. The organizers of CREDIT 2021 encourage submissions on a range of topics of relevance to this year’s theme including: finance and COVID-19; finance and climate risks; finance and compound COVID-19 and climate risks. In particular, submissions are welcome in the following areas: • INVESTMENTS: Sustainable Finance, Disaster risk finance; Finance 4 good; public finance; blended finance. • POLICIES: Climate Policies, European Green New Deal; Next Generation EU; Recovery Plan. • INFORMATION: Data gaps; modelling challenges; risk transmission channels; uncertainty; complexity. The final program will include both submitted and invited papers. Acceptances received so far from invited speakers include *Vittoria Colizza *(INSERM, France), *Robert Engle *(Stern Business School, New York University) and *Roberto Rigobon* (MIT Sloan School of Management) who will deliver keynotes, respectively on finance and on epidemics. The Conference will also feature panel discussions on researchers', practitioners' and policy makers’ views of the major issues at stake. The SCIENTIFIC COMMITTEE for the Conference consists of: • * Stefano Battiston *(Ca’ Foscari University of Venice & University of Zurich, Programme Chair) • * Monica Billio *(Ca’ Foscari University of Venice & GRETA) • * Francesca Campolongo *(Joint Research Center, European Commission) • *Vittoria Colizza* (INSERM, France) • * Helmut Kraemer-Eis* (European Investment Fund) • * Jan Pieter Krahnen* (Leibniz Institute for Financial Research SAFE & Goethe University, Frankfurt) • *Irene Monasterolo *(Vienna University of Economics and Business) • *Steven Ongena* (University of Zurich, Swiss Finance Institute, KU Leuven & CEPR) • *Roberto Rigobon* (MIT Sloan School of Management) • *Stephen Schaefer* (London Business School) CALL FOR PAPERS Those wishing to present a paper at the Conference should submit by *May 31, 2021 *to the address given below (preferably in electronic format). Please indicate to whom correspondence should be addressed. Decisions regarding acceptance will be made by *June 30, 2021*. The final version of accepted papers must be received by August 31, 2021. Please send papers to: GRETA Associati, San Polo, 2605 - 30125 Venice, ITALY Phone : +39 041 5238178 - e-mail: credit(a)greta.it <mailto:credit@greta.it> More detailed information available on the Conference website: https://www.greta.it/index.php/it/credit-2021 <https://www.greta.it/index.php/it/credit-2021>

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Post-doc position in Luxembourg
by Giovanni Peccati 20 Mar '21

20 Mar '21

Dear Colleagues, here is the announcement for a post-doc position (2Y) in mathematics at the University of Luxembourg: http://emea3.mrted.ly/2nwqp Please, do not hesitate to forward the announcement to potentially interested candidates. Best regards, Giovanni Peccati -- Prof. Giovanni Peccati ------------------------------------------ Head of the Department of Mathematics Faculty of Science, Technology and Medicine ------------------------------------------ University of Luxembourg ----------------------------------------- homepage: http://sites.google.com/site/giovannipeccati/Home E-mail: giovanni.peccati(a)gmail.com

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bando RTD-B in SECS-S/01, Statistica, Univ. Verona, scadenza 22/3
by Cecilia Mancini 19 Mar '21

19 Mar '21

Segnalo un bando per un posto da RTD-B in SECS-S/01, Statistica, presso l'Università di Verona, Dipartimento di Scienze Economiche. Scadenza lunedì 22 ore 20. Il bando si trova all'indirizzo https://www.univr.it/it/concorsi/personale-docente/ricercatore/ricercatore-… Saluti Cecilia Mancini

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bando rtd-b in Fisica Matematica all'Aquila
by davide gabrielli 19 Mar '21

19 Mar '21

Segnalo un bando per un posto da rtd-b in Fisica Matematica presso l'Università dell'Aquila. Scadenza 15-04-2021. Il bando si trova all'indirizzo https://www.univaq.it/section.php?id=1532 Si prega di darne la massima diffusione cordiali saluti Davide Gabrielli

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Università di Verona: concorso RTDB in Statistica...
by Marco Minozzo 19 Mar '21

19 Mar '21

Carissime e carissimi, nella Gazzetta Ufficiale - IV Serie Speciale n. 14 del 19/02/2021 è stato pubblicato l'avviso relativo all'indizione di una procedura selettiva per 1 posto da Ricercatore a tempo determinato RTDB in SECS-S/01 Statistica (Cod. 2021rtdb034) presso il Dipartimento di Scienze Economiche dell'Università degli Studi di Verona. Il bando è disponibili all'Albo ufficiale e alla pagina concorsi del sito web di Ateneo all'indirizzo: https://www.univr.it/it/concorsi/personale-docente/ricercatore/ricercatore-… La scadenza per la presentazione delle domande è il 22 marzo 2021 alle ore 20.00. Un caro saluto, Marco Minozzo ------------------------------------------------------------------- Prof. Marco Minozzo, PhD Presidente Laurea in Economia e Commercio Dipartimento di Scienze Economiche Università degli Studi di Verona Via Cantarane 24 37129 Verona (Italy) Tel: +39045 8028234 Fax: +39045 8028177 E-mail: marco.minozzo(a)univr.it<mailto:marco.minozzo@univr.it> -------------------------------------------------------------------

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LTI@Unito Webinars: March 1, Massimiliano Caporin | March 2, Roberto Renò
by Luca Regis 18 Mar '21

18 Mar '21

Dear colleagues, || |LTI@UniTO (www.carloalberto.org/lti <www.carloalberto.org/lti>) and Fondazione Collegio Carlo Alberto are pleased to invite you to the following webinars in Mathematical Finance: | | *March 1, 2021 | 17:00-18:00* *“Do jumps matter in Realized Volatility modeling and forecasting? Empirical evidence and a new model”* *Massimiliano Caporin, University of Padova* *Abstract*: Building on an extensive empirical analysis I investigate the relevance of jumps and signed variations in predicting Realized Volatility. I show that properly accounting for intra-day volatility patterns and staleness sensibly reduces the identified jumps. Realized Variance decompositions based on intra-day return size and sign improve the in-sample fit of the models commonly adopted in empirical studies. I also introduce a novel specification based on a more informative decomposition of Realized Volatility, which offers improvements over standard models. From a forecasting perspective, the empirical evidence I report shows that most models, irrespective of their flexibility, are statistically equivalent in many cases. This result is confirmed with different samples, liquidity levels, forecast horizons and possible transformations of the dependent and explanatory variables. *Zoom Link: https://us02web.zoom.us/j/82672618584?pwd=VWdNeWhEc1pyVjJCQ3pucEhtb1BxUT09 <https://us02web.zoom.us/j/82672618584?pwd=VWdNeWhEc1pyVjJCQ3pucEhtb1BxUT09>* Meeting ID: 826 7261 8584 Passcode: 599584 ------ *March 2, 2021 | 12:00-13:15 * *“V-shapes”* *Roberto Renò, University of Verona* *Abstract*: An insidious form of market inefficiency, by which prices lose their informativeness and wealth is distributed arbitrarily, translates into V-shapes, that is sudden changes of the sign of the price drift. We use this insight to develop a new tool for the detection of reverting drift, the V-statistic. We apply this tool to (i) quantify the extent of this kind of market inefficiency in the U.S. stock market during the Covid-19 pandemic; and (ii) show the harmful consequences of V-shapes on financial stability by estimating the huge loss suffered by Italian taxpayers (0.45B euros) in May 2018, when a transient crash hit the secondary bond market during a Treasury auction. /Joint with Maria Flora./ *Zoom link https://us02web.zoom.us/j/82590058916?pwd=VEowc2NUcm5rNmtFdWQ0MlMxUEVLQT09 <https://us02web.zoom.us/j/82590058916?pwd=VEowc2NUcm5rNmtFdWQ0MlMxUEVLQT09>* Meeting ID: 825 9005 8916 Passcode: 055411 We look forward to your participation! | -- Luca Regis Associate Professor Department of Economics and Statistics (ESOMAS) University of Torino sites.google.com/view/lucaregis Office: +39 011 670 6065 www.carloalberto.org/lti ||

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Ricercatore a Tempo Determinato - Università della Basilicata
by Marco Isopi 18 Mar '21

18 Mar '21

È stato pubblicato il bando per un posto da Ricercatore a Tempo Determinato (tipo B) presso l'Università della Basilicata: http://service.unibas.it/albo/files/000695488-UNPZCLE-06163f19-bc48-438e-a2…

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Concorso RTDB 13/D1 Sapienza Università di Roma
by Brunero Liseo 18 Mar '21

18 Mar '21

Con eventuali scuse per ricezioni multiple Brunero Liseo Si comunica che sul Portale Trasparenza Amministrativa, è stato pubblicato il bando relativo alla seguente procedura selettiva: N. 1 POSTO DI RICERCATORE A TEMPO DETERMINATO TIPOLOGIA B - SC 13/D1 SECS-S/01 - DIP. DI METODI E MODELLI PER L'ECONOMIA, IL TERRITORIO E LA FINANZA (MEMOTEF) - FACOLTÀ DI ECONOMIA Il bando è pubblicato al seguente link: https://web.uniroma1.it/trasparenza/bando/174720_2021rtdb002 Si evidenziano di seguito gli elementi del bando: Codice bando: 2021RTDB002 Data scadenza del bando: 15/04/2021 Pubblicazione G.U. n. 21 del 16.03.2021 -- ============================================ Brunero Liseo *Dip. di metodi e modelli per il territorio, l'economia e la finanza * *Sapienza Università di Roma* *Viale Castro Laurenziano, 9 Roma I-00161 *Tel. +39 06 49766973 Fax +39 06 4957606 *https://sites.google.com/a/uniroma1.it/brulis/home <https://sites.google.com/a/uniroma1.it/brulis/home>* ============================================ -- ________________________________________________________ Le informazioni contenute in questo messaggio di posta elettronica sono strettamente riservate e indirizzate esclusivamente al destinatario. Si prega di non leggere, fare copia, inoltrare a terzi o conservare tale messaggio se non si è il legittimo destinatario dello stesso. Qualora tale messaggio sia stato ricevuto per errore, si prega di restituirlo al mittente e di cancellarlo permanentemente dal proprio computer. The information contained in this e mail message is strictly confidential and intended for the use of the addressee only. If you are not the intended recipient, please do not read, copy, forward or store it on your computer. If you have received the message in error, please forward it back to the sender and delete it permanently from your computer system.

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Fwd: 6 PhD Positions in Stochastics and Algorithmics
by Francesca Romana Nardi 18 Mar '21

18 Mar '21

Carissime e carissimi, Ricevo e inoltro. Se ci fossero interessati possono contattare direttamente Vlasiou, Maria <m.vlasiou(a)tue.nl> Cari saluti Francesca Romana Nardi ---------- Forwarded message --------- Da: Vlasiou, Maria <m.vlasiou(a)tue.nl> Date: mer 17 mar 2021 alle ore 17:16 Subject: 6 PhD Positions in Stochastics and Algorithmics To: Francesca Romana Nardi (Francescaromana.nardi(a)unifi.it) < Francescaromana.nardi(a)unifi.it> Hi Francesca, Marko has an open position where he *has* to recruit a foreigner and has a deadline for applications 31 March. Can you please forward the announcement to any student you know who may be about to finish their MSc and is interested in stochastics? The student can start in Sept / Oct, after they finish, but the application deadline is *31 March.* https://www.thenetworkcenter.nl/Open-Positions/openposition/29/6-PhD-Positi… https://www.thenetworkcenter.nl/uploaded_files/inlineitem/221Spring_Network… (The first project in Appendix A) Cheers, Maria -- Prof. dr. Maria Vlasiou University of Twente Eindhoven University of Technology President EWM-NL <http://www.ewmnetherlands.nl/> office: +31 40 247 5185 www.win.tue.nl/~mvlasiou

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Padova Online Seminar by Luisa Andreis (Università di Firenze) [Friday, Mar. 26 at 14.30]
by alessandra bianchi 18 Mar '21

18 Mar '21

Dear Colleagues, We would like to invite you to the following Probability seminar that will take place on March 26 at 14.30 by the zoom platform. ________________________________________________________ Speaker: Luisa Andreis (Università di Firenze) Title: Phase transitions in sparse random graphs and coagulation processes 26 MARCH (Friday) - 14:30 zoom link: TBA available on the webpage https://www.math.unipd.it/~bianchi/seminari/ ) Abstract: Sparse inhomogeneous random graphs are a natural generalization of the well-known Erdos Rényi random graph, where vertices are characterized by a type and edges are independent but distributed according to the type of the vertices that they are connecting. These graphs undergo a phase transition in terms of the emergence of a giant component exactly as the classical Erdos Rényi model. In this talk we will present an alternative approach, via large deviations, to prove this phase transition. This allows a comparison with the gelation phase transition that characterizes coagulation processes and the phase transition of condensation type emerging in several systems of interacting components. This is an ongoing joint work with Wolfgang Koenig (WIAS and TU Berlin), Robert Patterson (WIAS) and Heide Langhammer (TU Berlin). -- Alessandra Bianchi Dip. di Matematica Università di Padova Via Trieste, 63 - 35121 Padova, Italy phone: +39 049 827 14 06 fax: +39 049 827 14 28 e-mail: bianchi(a)math.unipd.it http://www.math.unipd.it/~bianchi/

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Fwd: [owps] One World Probability Seminar Thursday March 18, 2021
by Faggionato, Alessandra 17 Mar '21

17 Mar '21

Buongiorno inoltro l'annuncio del OWPS di domani, che sarà focalizzato sul metodo di Stein (anche con applicazioni alla statistica). Saluti Alessandra ---------- Forwarded message --------- Da: One World Probability <ow.probability(a)gmail.com> Date: mer 17 mar 2021 alle ore 12:06 Subject: [owps] One World Probability Seminar Thursday March 18, 2021 To: <owps(a)lists.bath.ac.uk> Tomorrow's speakers in the One World Probability Seminar are (Note: all times are in UTC. *Due to time changes, you should check what that translates to in your location*) ------------------------------------------------ (14:00-15:00 UTC) Speaker: Yvik Swan (Université Libre de Bruxelles) Title: Stein’s density approach Abstract: Stein’s method is a collection of tools allowing to obtain explicit (non-asymptotic) bounds on discrepancies between probability distributions. The heart of the method is a so-called “Stein operator”, and it is the objective of this talk to present the basic theory behind these operators, and also cover some applications of the theory. After presenting the general theory (with a focus on Stein’s so-called density approach), we will give details on the 1-dimensional case, hereby connecting with classical topics such as Covariance and Poincaré inequalities. The material covered in the talk is closely related to work with Marie Ernst, Christophe Ley, Guillaume Mijoule and Gesine Reinert. (15:00-16:00 UTC) Speaker: Gesine Reinert (University of Oxford) Title: Stein’s method for multivariate continuous distributions and some statistical applications Abstract: Stein’s method can be viewed as employing an operator which action characterises a distribution uniquely, relating this operator to test functions through a Stein equation, and comparing distributions by taking expectations of this Stein equation. Using the density approach for Stein’s method, this talk will present a general framework for Stein’s method for multivariate continuous distributions. For any given nontrivial distribution this approach leads to an infinite collection of Stein characterisations which can be used to assess distributional distances. We shall apply this framework to compare posterior distributions which arise from the same model but using different priors. Using the notion of a weak Stein equation, bounds on distributional distances based on Lipschitz test functions are obtained if the distribution admits a Poincare’ constant. This result will be used to compare copulas. Finally, using the notion of a Stein kernel, we shall extend Stein’s shrinkage results and Stein’s Unbiased Risk Estimate (SURE) to non-Gaussian distributions. This talk is based on joint work with Max Fathi, Larry Goldstein, Adrien Saumard, and of course Yvik Swan. ------------------------------------------------ The zoom link will appear the day before on the OWPS website: https://www.owprobability.org/one-world-probability-seminar <https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.owpro…> It can also be directly accessed through the link below: https://uniroma1.zoom.us/j/81951703647?pwd=QUR4M0QraDFTZG5qY0VvVmVoS0pnZz09 <https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Funiroma1.…> Meeting ID: 819 5170 3647 Passcode: 614352 Please feel free to circulate this email. We hope to see you all tomorrow! One World Probability Team -- ************************************************* Prof. Alessandra Faggionato http://www1.mat.uniroma1.it/~faggionato/ Department of Mathematics University "La Sapienza" Piazzale Aldo Moro, 5 00185 - Rome Office 5, Phone (0039) 06 49913252 *************************************************

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Seminario di Franco Flandoli e Umberto Pappalettera in Bicocca
by Gianmario Tessitore - UNIMIB 16 Mar '21

16 Mar '21

Ho il piacere di annunciare il seguente seminario, da remoto, di Franco Flandoli e Umberto Pappalettera (Scuola Normale Superiore): Titolo " *Stochastic model reduction and stochastic equations with transport noise*" * Lunedì 22 Marzo 2021 ore 17:30* il seminario avrà la durata di un’ora circa e i due relatori si alterneranno. Seguono il riassunto e il link Zoom. Tutti gli interessati sono invitati a partecipare. Gianmario Tessitore %%%%%%%%%%%%%%%%%%%%%%%%%%%% Abstract. The first part of the talk will illustrate the potential role of stochastic model reduction in the understanding of transport noise in fluid dynamic models. In the second part, some rigorous results will be outlined. Entra nella riunione in Zoom https://us02web.zoom.us/j/83074836346?pwd=ajZaL0JJc1VnR3BUNEdzclg1KzM2QT09 ID riunione: 830 7483 6346 Passcode: 778958 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -- Gianmario Tessitore Dipartimento di Matematica e Applicazioni Università degli Studi di Milano-Bicocca

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Pisa Online Seminars - Michela Ottobre and Andrea Agazzi (Tuesday, Mar. 23 at 16:00 and 17:00)
by Giacomo Filippo Di Gesu 16 Mar '21

16 Mar '21

Dear colleagues, I would like to invite you to the following online seminar organized by the Probability group of the University of Pisa. The two talks will be accessible under the link Click here to join the meeting<https://teams.microsoft.com/l/meetup-join/19%3A17115d7f6ef44c5e91974362906c…> Best regards, Giacomo Tuesday, March 23, 16:00 Speaker: Michela Ottobre (Heriot-Watt University Edinburgh) Title: Uniform in time approximations of stochastic dynamics Abstract: Complicated models, for which a detailed analysis is too far out of reach, are routinely approximated via a variety of procedures; this is the case when we use multiscale methods, when we take many particle limits and obtained a simplified, coarse-grained dynamics, or, simply, when we use numerical methods. While approximating, we make an error which is small over small time-intervals but it typically compounds over longer time-horizons. Hence, in general, the approximation error grows in time so that the results of our ``predictions" are less reliable when we look at longer time-hormizons. However this is not necessarily the case and one may be able to find dynamics and corresponding approximation procedures for which the error remains bounded, uniformly in time. We will discuss a very general approach to understand when this is possible. I will show how the approach we take is very broad and show how it can be used for all of the approximation procedures mentioned above. This is based on a series of joint works with a number of people: L. Angeli, J. Barre', D. Crisan, P. Dobson, I. Souttar and E. Zatorska. Tuesday, March 23, 17:00 Speaker: Andrea Agazzi (Duke University) Title: Large deviations for stochastic models of chemical reaction networks Abstract: At the microscopic level, the dynamics of arbitrary networks of chemical reactions can be modeled as jump Markov processes whose sample paths converge, in the limit of large number of molecules, to the solutions of a set of algebraic ordinary differential equations. Fluctuations around these asymptotic trajectories and the corresponding phase transitions can in principle be studied through large deviations theory in path space, also called Wentzell-Freidlin (W-F) theory. However, the specific form of the jump rates for this family of processes does not satisfy the standard regularity assumptions imposed by such theory. This talk discusses how such conditions can be relaxed. In this talk, I will discuss sufficient stability and nondegeneracy conditions on the given family of Markov jump processes to obtain the desired large deviations estimates, and show how some of these conditions can be translated into structural ones, facilitating their verification for large chemical networks. ************************ Giacomo Di Gesù Dipartimento di Matematica Università di Pisa Largo Bruno Pontecorvo 5 56127 - Pisa, Italy giacomo.digesu(a)unipi.it<mailto:giacomo.digesu@unipi.it> https://sites.google.com/site/giacomodigesu/

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Seminar announcement Thursday 25 - Reciprocity in a Preferential Attachment Network (prof. Tiandong Wang)
by Gianmarco Bet 16 Mar '21

16 Mar '21

Dear colleagues, On March Thursday 25 at 16:00, prof. Tiandong Wang (Texas A&M) will give a virtual seminar “in Florence”, to which you are all invited. You can find title and abstract below. Title: Reciprocity in a Preferential Attachment Network Abstract: Empirical studies show that online social networks have not only in- and out-degree distributions with Pareto-like tails, but also a high proportion of reciprocal edges. A classical directed preferential attachment (PA) model generates in- and out-degree distribution with power-law tails, but theoretical properties of the reciprocity feature in this model have not yet been studied. We derive the asymptotic results on the number of reciprocal edges between two fixed nodes, as well as the proportion of reciprocal edges in the entire PA network. We see that with certain choices of parameters, the proportion of reciprocal edges in a directed PA network is close to 0, which differs from the empirical observation. This points out one potential problem of fitting a classical PA model to a given network dataset with high reciprocity, and indicates alternative models need to be considered. The seminar will be on Zoom. You can find the information to join below. Topic: Tiandong Wang - Reciprocity in a Preferential Attachment Network Time: Mar 25, 2021 04:00 PM Rome https://us02web.zoom.us/j/82762436142?pwd=MW45SWN6NTBqV0VWbVJWREhESmtaZz09 Meeting ID: 827 6243 6142 Passcode: 897951 If you know of someone who might be interested and is not subscribed to the random mailing list, please do not hesitate to forward this announcement to them. Kind regards, Gianmarco ---------------------------------------------------------------------- Gianmarco Bet (he/him) Junior 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 ----------------------------------------------------------------------

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2 posizioni PhD aperte nell'ambito del progetto europeo ITN ETN TraDE-OPT
by villa silvia 15 Mar '21

15 Mar '21

Cari colleghi, vorrei pubblicizzare due posizioni di dottorato aperte presso l’Universita’ di Graz e presso l’Università di Louvain nell’ambito del progetto europeo TraDE-OPT <https://trade-opt-itn.eu/> . Di seguito la call piu’ precisa. Cari saluti Silvia Villa ________________________________________ 2 PHD positions to work broadly on large scale optimization for machine learning, supported by an ITN ETN project (https://trade-opt-itn.eu <https://trade-opt-itn.eu/>). The projects will aim at developing theoretical and algorithmic ideas that can explain the success of current systems as well as suggest the development of novel practical and efficient solutions. Candidates must have strong mathematical and computational skills. While the emphasis is on methodological and computational aspects, the candidates will have the opportunity to work in close collaborations on a number of applications, in connections with the industrial partners of the project. The research activities will be carried out at the University of Graz, under the supervision of Prof. Bredies, for one project and at the University Catholique de Louvain under the supervision of Prof. Glineur, for the other project. Applicants need to write an email to: malga(a)unige.it <mailto:malga@unige.it> specifying to which positions they are interested within the ***end of March***. Eligibility criteria • Candidates must – at the date of recruitment – have obtained the MSc degree entitling you to embark on a doctorate • Candidates must – at the date of recruitment – be within the first four years (full-time equivalent research experience) of your research career and not have a doctoral degree • Mobility rule: candidates must not have resided or carried out your main activity (work, studies, etc.) in the country of the host organisation you are applying (i.e. Italy) for more than 12 months in the 3 years immediately prior to the recruitment date. Compulsory national service and/or short stays such as holidays are not taken into account. Please make sure you comply with the eligibility criteria before applying. You need to be able to provide documentation proving your eligibility for recruitment. You can read the full description of eligibility criteria in the Information Note for ITN Fellows. ____________________________________________ See also: https://euraxess.ec.europa.eu/jobs/61117 <https://euraxess.ec.europa.eu/jobs/516136>

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avviso seminario lunedì 15 - Multiscale Approximations In Stochastic Biochemical Networks
by Enrico Bibbona 14 Mar '21

14 Mar '21

Gentilissimi, con la presente si comunica che lunedì 15 marzo, ore 16:30, la Prof.ssa Hye-Won Kang (University of Maryland Baltimore County) presenterà un seminario dal titolo: “Multiscale Approximations In Stochastic Biochemical Networks” Questo evento è parte del "Progetto di eccellenza", DISMA - Politecnico di Torino. Maggiori informazioni reperibili nella locandina allegata e sul sito: www.polito.it/disma-excellence/ Il seminario si terrà in forma telematica, tramite la piattaforma Zoom. Per collegarsi, è necessario utilizzare il seguente link https://polito-it.zoom.us/j/97383163671?pwd=T2pDZ2tpa0xTU3dOL1AyV3R3TEZuZz09 ID riunione: 973 8316 3671 Passcode: 343972 Accedendo al seminario, si prega di tenere microfono e videocamera disattivati. Per porre domande al termine del seminario, si prega di utilizzare la chat per chiedere la parola. Cordiali saluti - - - - - - - - - - - - - - - - - - - - - - - - - - - - Dear colleagues, it is our pleasure to invite you to the seminar “Multiscale Approximations In Stochastic Biochemical Networks” by prof. Hye-Won Kang (University of Maryland Baltimore County). The seminar will be held on Monday, March 15, at 16:30. This event is part of "Progetto di eccellenza", DISMA - Politecnico di Torino. Further information available on the attached flyer and www.polito.it/disma-excellence/ The seminar will be an online event on Zoom platform. To connect, please follow this link https://polito-it.zoom.us/j/97383163671?pwd=T2pDZ2tpa0xTU3dOL1AyV3R3TEZuZz09 ID riunione: 973 8316 3671 Passcode: 343972 By connecting to the seminar, please switch both microphone and webcam off. The question time will be at the end of the talk. Please, use the chat to ask for the floor. Best regards, DISMA Politecnico di Torino Dipartimento di eccellenza 2018-2022 Enrico Bibbona Associate Professor of Statistics Probability, Statistics and Optimization group Department of Mathematical Sciences "G. L Lagrange" Politecnico di Torino

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Fwd: Portuguese mathematical society meeting - 12-16 july 2021
by Faggionato, Alessandra 14 Mar '21

14 Mar '21

Ricevo e con piacere inoltro. Saluti Alessandra ---------- Forwarded message --------- Da: Patricia Gonçalves <pgoncalves(a)tecnico.ulisboa.pt> Date: dom 14 mar 2021 alle ore 17:32 Subject: Portuguese mathematical society meeting - 12-16 july 2021 To: Patrícia Gonçalves <patricia.goncalves(a)math.tecnico.ulisboa.pt> Dear Colleagues, the Portuguese Mathematical Society is organizing the ENSPM2021 on 12-16 July 2021 enspm2021.spmatematica.online The list of plenary speakers includes 4 Fields Medallists and several ICM invited speakers, along with recipients of many other distinctions such as the EMS Prize, Euler Medal, Fermat, Fulkerson, Henri Poincaré, Loève and Paul Doistau–Émile Blutet, Philip Leverhulme Prizes, MacArthur Fellows, CNRS Silver Medal, NSF Career, TWAS Prize, Whitehead Jr&Sr, and certainly many more awards in the future! The meeting has 9 slots for parallel sessions, two hours each, where many other outstanding mathematicians will have the opportunity to share and discuss ideas. We hope this meeting will help important ideas to flourish, inspire and spread. We would be very grateful if you could help this message reach anyone who may be interested. All are invited to join and/or to propose extra parallel sessions. On behalf of the organizers, João Araújo Mário Bessa Patrícia Gonçalves Luís Merca Patrícia Gonçalves Mathematics Department Instituto Superior Técnico University of Lisbon Portugal -- ************************************************* Prof. Alessandra Faggionato http://www1.mat.uniroma1.it/~faggionato/ Department of Mathematics University "La Sapienza" Piazzale Aldo Moro, 5 00185 - Rome Office 5, Phone (0039) 06 49913252 *************************************************

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RTD-B MAT/06 - Università della Basilicata
by Antonio DI CRESCENZO 13 Mar '21

13 Mar '21

Si rende noto che nella G.U. – IV Serie Speciale – “Concorsi ed Esami” n. 20 del 12/03/2021 (con scadenza alle ore 18.00 del 27/03/2021) sarà bandito un concorso da Ricercatore a tempo determinato *RTD-B* presso l'*Università della Basilicata* (Dipartimento di Matematica, Informatica ed Economia, sede: Potenza) nel SSD *MAT/06 (Probabilità e Statistica Matematica)*. Per informazioni è possibile contattare il coordinatore del CdS in Matematica, Alberto Cialdea (alberto.cialdea(a)unibas.it).

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