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Stefano Favaro at Tor Vergata 05.02
by Michele Salvi 29 Jan '25

29 Jan '25

Dear all, On Wednesday, February 5th, at 14h00 in Aula Dal Passo of Tor Vergata Math Department, RoMaDS <https://www.mat.uniroma2.it/~rds/events.php> will host Stefano Favaro (Università di Torino) with the seminar “A smoothed-Bayesian approach to frequency recovery from sketched data” Abstract: We introduce a novel statistical perspective on a classical problem at the intersection of computer science and information theory: recovering the empirical frequency of a symbol in a large discrete dataset using only a compressed representation, or sketch, obtained via random hashing. Departing from traditional algorithmic approaches, recent works have proposed Bayesian nonparametric (BNP) methods that can provide more informative frequency estimates by leveraging modeling assumptions on the distribution of the sketched data. In this paper, we propose a smoothed-Bayesian method, inspired by existing BNP approaches but designed in a frequentist framework to overcome the computational limitations of the BNP approaches when dealing with large-scale data from realistic distributions, including those with power-law tail behaviors. For sketches obtained with a single hash function, our approach is supported by frequentist guarantees, including unbiasedness and optimality under a squared error loss function within a class of linear estimators. For sketches with multiple hash functions, we introduce an approach based on multi-view learning to construct computationally efficient frequency estimators. We validate our method on synthetic and real data, comparing its performance to that of existing alternatives. Joint work with Mario Beraha (Politecnico di Milano) and Matteo Sesia (University of Southern California) We encourage in-person partecipation. Should you be unable to come, here is the link to the Teams streaming: https://teams.microsoft.com/l/meetup-join/19%3arfsL73KX-fw86y1YnXq2nk5VnZFw…"Tid"%3a"24c5be2a-d764-40c5-9975-82d08ae47d0e"%2c"Oid"%3a"650fc4a8-4cec-4bd2-87bc-90d134074fe6"} <https://teams.microsoft.com/l/meetup-join/19%3arfsL73KX-fw86y1YnXq2nk5VnZFw…> The seminar is part of the Excellence Project MatMod@TOV.

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Seminario PRISMA lun 3 feb 2025
by Francesco Caravenna 28 Jan '25

28 Jan '25

Seminari on-line del gruppo UMI - PRISMA (http://www.umi-prisma.polito.it/) I seminari PRISMA hanno un formato di "colloquium" per creare un'occasione di scambio e discussione con tutta la comunità dei probabilisti e statistici italiani. Ogni giornata comprende due relatori che tengono due seminari di 30 minuti strettamente connessi, per presentare alla comunità una prospettiva sul proprio ambito di ricerca. Da quest'anno le registrazioni dei seminari vengono pubblicate sul canale YouTube dell'UMI: https://youtube.com/playlist?list=PLmySpc-jrtAMq84VH71evyqPc1hl6eEQb Il prossimo appuntamento è per lunedì 3 febbraio 2025. I relatori saranno Giambattista Giacomin (Università di Padova) e Marco Zamparo (Università del Piemonte Orientale) che parleranno di Transizioni di fase in modelli di pinning ed effetto del disordine con il seguente orario: 16:00 Primo seminario 16:30 Pausa e discussione 16:45 Secondo seminario 17:15 Conclusione e discussione Trovate di seguito il riassunto. I seminari verranno trasmessi via Zoom al seguente link: https://uniroma1.zoom.us/j/88679569146 Meeting ID: 886 7956 9146 Vi aspettiamo numerosi! Valentina Cammarota e Francesco Caravenna %%%%%%%%%%%%%%%%%%%%%%%%%%%% RELATORI: Giambattista Giacomin (Università di Padova) e Marco Zamparo (Università del Piemonte Orientale) TITOLO: Transizioni di fase in modelli di pinning ed effetto del disordine. RIASSUNTO: Il modello di pinning è un modello elementare della meccanica statistica che presenta una transizione di (de)localizzazione. Questo modello è stato molto considerato nella letteratura fisica e biofisica poiché emerge naturalmente nella modellizzazione di una varietà di fenomeni e perché, in assenza di disordine, è esattamente risolubile. In termini matematici il modello di pinning è una misura di Gibbs con potenziali a un corpo basata su un processo di rinnovo discreto. Nella prima parte del seminario introduciamo il modello e presentiamo lo stato dell’arte sull’effetto del disordine, esponendo anche alcuni progressi recenti e menzionando alcuni problemi aperti. Nella seconda parte discutiamo invece delle varianti del modello di pinning in cui la densità dell’insieme dei punti di rinnovo è imposta al sistema tramite condizionamento o tramite dei potenziali aggiunti al modello: questo tipo di modelli è stato proposto in biofisica per lo studio del DNA circolare. In questo contesto una nuova fase, intermedia tra la fase localizzata e quella delocalizzata, appare, almeno in assenza di disordine. La comparsa di questa nuova fase è una versione di un fenomeno ben noto in probabilità, dove una singola variabile è responsabile delle grandi fluttuazioni della somma di tante sue copie (« big jump phenomenon »). La presenza del disordine ha un effetto molto drastico su questa fase: spieghiamo infatti che la fase intermedia non esiste se introduciamo del disordine, anche debole. %%%%%%%%%%%%%%%%%%%%%%%%%%%%

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Fwd: DoCRA first deadline approaching
by Maria Elvira Mancino 28 Jan '25

28 Jan '25

This is a kind reminder that the deadline for applications to the first session is approaching. *Doctoral Colloquium on Risk Analytics* https://landing.cafoscarichallengeschool.it/docra/ *A joint initiative of Collegio Internazionale Ca’ Foscari CICF (team leader), IUSS Pavia, IMT Lucca, SISSA Trieste, Scuola di Studi Superiori Carlo Urbani in Camerino, Scuola di Studi Superiori Giacomo Leopardi in Macerata, Scuola Superiore F. Rossi in Torino, Scuola Superiore Universitario Di Toppo Wassermann in Udine* * Aims and scope* The Colloquium is an *honor course *for Doctoral students interested in analytical (both theoretical and applied) methods for the measurement, management and mitigation of risks, organized in four sessions. The span of risks considered ranges from standard economic, ﬁnancial or insurance risks, to emerging ones, such as environmental, climate and cyber risks. The approach is in-depth and multidisciplinary, with lectures, assignments and discussion of the results. *The course is organized into four sessions.* *Target* Students are *PhD candidates from Italian or Foreign Universities*, who remain aﬃliated with their Doctoral School. Students may apply for a session at a time but need to attend the whole session. They may get credits for the courses taken within the Colloquium. The maximum number of students per session is 25. *A group of up to 20 students will be oﬀered full refund for travel and lodging expenses*. 5 additional students, including further Doctoral Students, Postdocs, Junior Faculty, or PhDs working in the industry, can be admitted at their own expenses. *Where* San Servolo Island, Venice < https://servizimetropolitani.ve.it/en/san-servolo-island/where-we-are> *When and on what *(see also below) Four two-weeks sessions on: 1) February, 23 - March, 8, 2025, *Modern risk measurement*; 2) July, 26 - August, 9, 2025, *New challenges on long-run risks*; 3) September, 14 - 27, 2025, *AI for Risk*; 4) January, 18 - 31, 2026, *Networks and risk propagation*. *How* *Each session oﬀers two courses*. Each course is delivered over 20 hours over one week (10 days if more), combining frontal teaching, oﬃce hours/discussions, assignments and presentation of research by the students. *Applications* Students can apply for the first session starting from *December 20th, 2024* through the site https://landing.cafoscarichallengeschool.it/docra/ Each PhD student will be asked to have a recommendation letter sent from her/his PhD coordinator. Acceptance of qualified applicants will be done on a first-in basis. *Applications for the second, third and fourth session will open one week after the closing of the previous session.* *Sessions and Lecturers* *Session 1: Modern risk measurement * Week 1: Alfred Muller, U. Siegen, *Measuring and Comparing risks* Week 2: Hansjorg Albrecher, University of Lausanne, *Emerging Risks for Actuaries: NatCat Insurance and Climate Change* *Session 2: New challenges on long-run risks * Week 1: Max Croce, U. Bocconi,* Macro FinTech* Week 2: Fabio Trojani, Swiss Finance Institute and U. Torino, *Model free pricing and estimation of ﬁnancial risks * *Session 3: AI for Risk * Week 1: Stefano Favaro, U. Torino and CCA, *Predictive uncertainty in Machine Learning with conformal inference* Week 2: Christa Cuchiero, U. Vienna, *Concepts of Deep Learning and Applications to Finance and Risk Management* *Session 4: Networks and risk propagation * Week 1: Remco Hofstad, Eindhoven U. of Technology, *Title* *TBD* Week 2: Alireza Tazbah-Salehi, Northwestern University, *Title TBD* *The organizers*: Elisa Luciano (U. Torino), Mavira Mancino (U. Firenze), Marco Corazza (U. Ca’ Foscari Venezia), Marco Li Calzi (Collegio Internazionale Ca’ Foscari Venezia)

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Bioinference 2025 - Bardonecchia 28-30 maggio
by Enrico Bibbona 27 Jan '25

27 Jan '25

Gentili colleghi, Un promemoria per ricordare che la scadenza per sottoporre un abstract alla conferenza Bioinference 2025 si sta avvicinando (entro il 31 gennaio). Se siete interessati a presentare un contributo potete farlo al seguente link https://bioinference.github.io/2025/ Cordiali saluti, il comitato organizzatore Enrico Bibbona Associate Professor of Statistics Probability, Statistics and Optimization group Department of Mathematical Sciences "G. L Lagrange" Politecnico di Torino [Immagine che contiene testo, Carattere, schermata, logo Descrizione generata automaticamente] --

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(PMS)^2 talk - C. DURASTANTI - February 4 at 14:00
by Nicola Turchi 27 Jan '25

27 Jan '25

Dear colleagues, we are happy to announce the following talk *Claudio Durastanti* (Univ. Roma La Sapienza) *Aliasing effects for random fields over the sphere* *Abstract:** This talk explores aliasing effects that arise during the reconstruction from discrete samples of spin spherical random fields defined on the sphere, with a brief discussion of the scalar case. With a fixed sampling method for obtaining field samples, we identify the location and intensity of aliases in the frequency domain for the harmonic coefficients in the Fourier decomposition of the random field and assess the impact of aliasing errors on the angular power spectrum. Finally, we show that band-limited spin random fields can be free from aliasing if a sufficiently large number of samples is taken.* Date and time: Tuesday* February 4, 14:00-15:00 (Rome time zone)* Place: *Aula 3014, Dip. Matematica e Applicazioni, Univ. Milano-Bicocca, Via R. Cozzi 55, Milano* Webex meeting link: *https://unimib.webex.com/unimib-it/j.php?MTID=m043184e9df27521cc217c37e64d56b9e <https://unimib.webex.com/unimib-it/j.php?MTID=m043184e9df27521cc217c37e64d5…>* Meeting number: 2741 907 8097 Password: wSZNHJFa923 *This talk is part of the* *(PMS)^2: Pavia-Milano Seminar series on Probability and Mathematical Statistics* *organized jointly by the universities Milano-Bicocca, Pavia and Milano-Politecnico.* -- Nicola Turchi Dipartimento di Matematica e Applicazioni Università degli Studi di Milano-Bicocca

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Bando assegno di ricerca Luiss 2 anni e 7 mesi, scadenza 14 febbraio 2025
by Fausto Gozzi 26 Jan '25

26 Jan '25

(English version below) Si comunica a tutti gli interessati che è aperto, presso la Luiss University - Roma, un bando di assegno di ricerca di 2 anni e 7 mesi di matematica applicata all'economia. Il titolo dell'assegno è Impact of the Human Activities on the Environment and Economic/Financial Decision Making: Mathematical Models through Stochastic Si invitano tutti gli interessati a presentare domanda Alcuni dati e link: - Il bando è stato emanato con DR n. 416 del 16 dicembre 2024. -Il bando è pubblico sul sito Luiss alle pagine di seguito indicate e sul sito MIUR-Euraxess. <https://economiaefinanza.luiss.it/page/recruiting>https://economiaefinanza.luiss.it/page/recruiting sezione Post-Doc - Le candidature potranno essere inviate fino alle ore 14 del 14 febbraio 2025 (CET). - Il link per la presentazione della candidatura è: <http://jsa.luiss.it/LGCAssegni/index.zul?CDS=AS4243>http://jsa.luiss.it/LGCAssegni/index.zul?CDS=AS4243; English: We hereby inform all interested parties that a call for a 2-year and 7-month research grant in mathematics applied to economics is open at Luiss University - Rome. The title of the grant is Impact of the Human Activities on the Environment and Economic/Financial Decision Making: Mathematical Models through Stochastic All interested parties are invited to apply. Some data and links: - The call was issued with DR n. 416 of 16 December 2024. -The call is public on the Luiss website at the pages indicated below and on the MIUR-Euraxess website. https://economiaefinanza.luiss.it/page/recruiting Post-Doc section - Applications may be submitted until 2:00 p.m. on 14 February 2025 (CET). - The link for submitting the application is: http://jsa.luiss.it/LGCAssegni/index.zul?CDS=AS4243; Cordiali saluti and all the best Fausto Gozzi > > >c. > > > > > >Claudio Esposito > >Personale docente > > > >Luiss >Libera Università Internazionale >degli Studi Sociali Guido Carli > > >Viale Pola, 12 - 00198 Roma >T +39 06 85225291 F +39 06 8543672 M +39 328 2157106 > ><mailto:cesposito@luiss.it>cesposito(a)luiss.it ><mailto:personaledocente@luiss.it>personaledocente(a)luiss.it ><http://www.luiss.it/>www.luiss.it > >Il tuo 5x1000 alla Luiss: C.F. 02508710585 > > > > > > > >La presente e-mail proviene da Luiss Guido Carli >e s'intende inviata per scopi lavorativi. Tutte >le informazioni ivi contenute, compresi >eventuali allegati, sono da ritenersi >esclusivamente confidenziali e riservati secondo >i termini del vigente D.Lgs. 196/2003 in materia >di privacy e del Regolamento europeo 679/2016 - >GDPR. È vietato qualsiasi ulteriore utilizzo non >autorizzato. Qualora la stessa Le fosse >pervenuta per errore, La preghiamo di eliminarla >immediatamente e di darcene tempestiva comunicazione. Grazie. > >This e-mail message is sent by Luiss Guido Carli >for business purposes. All informations >contained therein, including any attachments, >are for the sole use of the intended recipient >and may contain confidential and privileged >information pursuant to Legislative Decree >196/2003 and the European General Data >Protection Regulation 679/2016 - GDPR -. Any >unauthorized review, use, disclosure or >distribution is prohibited. If you are not the >intended recipient, please contact the sender by >soon reply this e-mail and destroy all copies of the original message. Thanks >Content-Type: application/pdf; > name="2024 416 Bando Assegno Impact of the Human Activities on the" > Environment - Prof. Gozzi - Vir-Luiss - D.R. n. 416 del 16-12-2024.pdf" >Content-Description: 2024 416 Bando Assegno Impact of the Human Activities on > the Environment - Prof. Gozzi - Vir-Luiss - D.R. n. 416 del 16-12-2024.pdf >Content-Disposition: attachment; > filename="2024 416 Bando Assegno Impact > of the Human Activities on the" > Environment - Prof. Gozzi - Vir-Luiss - D.R. n. 416 del 16-12-2024.pdf"; > size=267069; creation-date="Mon, 16 Dec 2024 13:58:18 GMT"; > modification-date="Mon, 16 Dec 2024 13:59:03 GMT" Fausto Gozzi Dipartimento di Economia e Finanza LUISS - Guido Carli Viale Romania, 32 00197 Roma Italy tel 06.85225723 (office) FAX 06.86506513 e-mail: fgozzi(a)luiss.it webpage: http://docenti.luiss.it/gozzi/

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Submission Deadline Approaching – 12th General AMaMeF Conference
by Alessandro Gnoatto 25 Jan '25

25 Jan '25

Dear Colleagues, This is a reminder that the submission deadline for the 12th General AMaMeF Conference in Verona is approaching. Abstract submissions are open until January 31st at the following link: https://sites.google.com/view/amamef2025/abstract-submission Homepage of the event: https://sites.google.com/view/amamef2025/ Best Regards, Alessandro Gnoatto -- Prof. Alessandro Gnoatto Presidente del CdLM "Banca e Finanza" Dipartimento di Scienze Economiche Università degli Studi di Verona Via Cantarane 24 37129, Verona, Italy Room 1.05 Tel: +39 045 802 8537<tel:+390458028537> Homepage: www.alessandrognoatto.com<http://www.alessandrognoatto.com/> E-mail: alessandro.gnoatto(a)univr.it<mailto:alessandro.gnoatto@univr.it> -------------------------------------------------- View my research on my SSRN Author page: http://ssrn.com/author=1615989 --------------------------------------------------

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Submission Deadline Approaching – XXVI Workshop on Quantitative Finance (QFW 2025) (fwd)
by Tiziano Vargiolu 25 Jan '25

25 Jan '25

####################################################à Dear Colleagues, This is a reminder that the submission deadline for the XXVI Workshop on Quantitative Finance (QFW 2025) is quickly approaching. Please submit your paper or extended abstract (minimum four pages) by February 11, 2025, via email to qfw2025(a)unipa.it. For full details, visit the QFW 2025 website: https://qfw2025.community.unipa.it Best regards, Andrea Consiglio Workshop Organizing Committee QFW 2025 Andrea Consiglio Università di Palermo Dipartimento di Scienze Economiche, Aziendali e Statistiche. Viale delle Scienze, Edificio 13 90128 Palermo, Italy tel:++39-09123895228 fax:++39-091485726 skype: conan_66 email:andrea.consiglio@unipa.it pec:andrea.consiglio@pec.it www:http://bit.ly/AndreaConsiglio

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Seminario di B. Schlein a Torino
by Dario Trevisan 24 Jan '25

24 Jan '25

Salve, Inoltro con piacere questo messaggio di Riccardo Adami circa un seminario di B. Schlein a Torino. Saluti, Dario Trevisan ----- Care amiche, cari amici, vi segnalo l'inizio di un ciclo di seminari che avranno luogo in vari dipartimenti universitari di Torino, centrato sulla matematica della fisica contemporanea, con particolare riferimento alla Meccanica Quantistica. Giovedí 30 si terrá il primo appuntamento che, come i successivi, consterá di due parti: una lezione informale aperta da tenere al mattino ("crash course") e un seminario\colloquium al pomeriggio. Auspichiamo una partecipazione nutrita anche da parte di dottorande, dottorandi e studenti magistrali. Il primo speaker sará Benjamin Schlein, dell'Universitá di Zurigo. Informazioni in calce e locandina in allegato. Preannuncio che il secondo appuntamento sará l'11 settembre 2025 con Roberto Longo. Siamo a disposizione per ulteriori chiarimenti. Con preghiera di diffusione a tutti i potenziali interessati. Un saluto cordiale, Riccardo Dear All, We are pleased to announce the launch of the new lecture series "QuanTO - Quantum Lectures in Torino". This joint initiative is the result of the scientific cooperation among researchers from the Departments of Physics and Mathematics of Politecnico di Torino (DISMA-DISAT) and Università di Torino. The goal of this series is to bring together physicists and mathematicians interested in quantum theories through regular meetings and advanced lectures on current topics by leading experts. We are particularly committed to engaging students and young researchers with these fascinating areas. Therefore, to encourage broader participation, each conference will be preceded by one or more introductory lectures ("crash course") designed to review the ideas and techniques necessary to fully appreciate the advanced seminar. The inaugural event of this series will take place on January 30th, 2025. We are pleased to host Professor Benjamin Schlein from the University of Zürich on this occasion, who will talk about "Bogoliubov Theory for Dilute Bose Gases." The schedule is as follows - please find the event leaflet attached: - Crash course at Politecnico di Torino, Aula 1D, from 10:00 to 12:00. - Seminar at the Department of Mathematics "G. Peano" (UniTo), Aula Magna (2nd floor), from 15:00 to 16:00. Abstract: In this talk, I am going to review recent progress in the mathematical understanding of the low-energy properties of dilute quantum systems. In particular, I am going to present a rigorous version of Bogoliubov theory and I am going to show how it can be used to obtain precise estimates for the ground state energy and the low-energy excitation spectrum and also to approximate the time evolution of Bose gases in the so-called Gross-Pitaevskii regime. The seminar will be followed by a coffee break and informal discussions. No registration is required. Should you have any inquiries, please feel free to contact us at quanto.lectures(a)gmail.com. Further information can be found on the webpage of the series: https://sites.google.com/view/quantolectures. We kindly ask you to circulate this message to any potential participants. Best regards, The Organizing Committee: Riccardo Adami, Laura Andrianopoli, Andrea Cavaglià, Dario Martelli, Marco Meineri, Fabrizio Nieri, S. Ivan Trapasso, Mario Trigiante -- Prof. Dr. Riccardo Adami Professor of Mathematical Analysis DISMA G.L. Lagrange Politecnico di Torino

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I: Borse cofund
by SAU FEDERICO 24 Jan '25

24 Jan '25

Salve, Inoltro la seguente PhD call in Francia (Parigi + resto della Francia). Cordiali saluti, FS ________________________________ Da: Tamara Grava <grava(a)sissa.it> Inviato: giovedì 23 gennaio 2025 19:23 A: SAU FEDERICO <FEDERICO.SAU(a)units.it>; Chiara Franceschini <chiara.franceschini(a)unimore.it> Oggetto: Borse cofund Carissima Chiara e carissimo Federico, spero tutto bene con voi. Mattia Cafasso, che forse conoscete, mi chiede di pubblicizzare questo bando di borse di dottorato co-fund. Un caro saluto, Tamara Cofund MathPhdInFrance<https://mathphdinfrance.fr/> 24 PhD fellowships in Mathematical Sciences in France, starting in fall 2025. Deadline for application is February 14th, 2025. The main specificity of the programme is the requirement that each PhD thesis is done in co-supervision between a university in the Paris region <https://mathphdinfrance.fr/en/participating-laboratories-81.htm> (Île-de-France) and one in a French region outside Île-de-France<https://mathphdinfrance.fr/en/participating-laboratories-81.htm>. Key features of the programme Here are the main features of the programme : * Co-supervision: each fellow will have two PhD supervisors, one in the Paris region and the other elsewhere in France. The fellow will be enrolled in one of the two universities (a preference can be indicated by the fellow at the time of application at Step 2) and she/he will benefit from the doctoral school and the doctoral training institute of the university in which he/she registers. The fellow will be in close contact with the supervisor and the co-supervisor, and will visit his/her co-supervisor on a regular basis. * 3-I secondments mobility: fellows are expected to spend 2 months of mobility (during the 3 years of the PhD). * Full living allowance: fellows will receive a full living allowance slightly superior to the French normalized PhD salary (about 2300 euros gross, which is about 1850 euros per months net, including national health care) * Travel expenses: travel to the co-supervision site will be reimbursed up to 350 euros per month. In addition, each fellow will benefit from dedicated conferences and workshops, including training sessions for professional insertion, and involved in a « learning by doing » approach. A detailed presentation of the program is available in the Guide For Applicants.<https://mathphdinfrance.fr/upload/Contenu/GuideForApplicants_MPIF_Call%202.…> Timing and main information for the second call (2024-2025) The selection procedure goes in two steps, see again the guide for applicants for more details: Step 1 (deadline February 14th, 2025): Candidates will have to provide documents and fill specific information online, mainly: * Motivation letter. * Recommendation letters (maximum 3 letters). * Curriculum vitae with complete track record. * Master grade certificates (all grades available at the date of submission) and master diploma if already obtained. * A scientific document where applicants describe their research interests, and their ideas for PhD projects if they already have some (maximum 2 pages). Note that it is not necessary to be already in contact with a French university or supervisor to apply to Step 1. The main criterion is the quality of the candidate, however the personal motivation and research interests/project ideas will also be evaluated. Applications must be submitted in English

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