- Geometria_Pisa - Mailing list — Dipartimento di Matematica, UniPI

Seminario oggi alle 16
by Bruno Martelli 15 Dec '25

15 Dec '25

Buondì, Con colpevolissimo ritardo vi annuncio il seminario di geometria di oggi, che sarà alle 16 in aula N. Siete tutti invitati. A presto Bruno Martelli Aspherical 4-manifolds with positive Euler characteristic – Pietro Capovilla (SNS, Pisa) Monday, Dec 15, 2025 16:00 — 17:00 Aula N (Polo Fibonacci, University of Pisa) Seminars <https://www.dm.unipi.it/en/en/seminars>, Geometry Seminar <https://www.dm.unipi.it/en/en/seminars/?category=653b522f8f0af760bdc42729> I will present an explicit construction of closed oriented aspherical smooth 4-manifolds realizing every non-negative Euler characteristic. This family of manifolds saturates Hopf-Thurston conjecture on the Euler characteristic of aspherical manifolds, as well as Gromov-Lück inequality regarding their geography.

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Fwd: I: Seminario e incontro preliminare corso
by Bruno Martelli 09 Dec '25

09 Dec '25

Inoltro annuncio di seminario e corso di dottorato Bruno ---- Carissimi, volevo segnalarvi che *lunedi' 15 dicembre alle 11:00 in saletta riunioni* (primo piano del dipartimento di Matematica) ci sara' un seminario <https://www.dm.unipi.it/en/seminar/?id=6936a4ac38884977206bfeaf> di Tullio Ceccherini-Silberstein (titolo e abstract qui sotto), e a seguire, *alle 12:00*, ci sara' l'incontro preliminare (con presentazione) del corso "Geometric group theory and dynamical systems" (a questo link <https://www.dm.unipi.it/phd/ph-d-courses/ph-d-courses-2025-2026/> potete trovare un abstract del corso) di 30 ore che Tullio terra' qui da noi a Pisa nel periodo febbraio-aprile 2026. Oltre che a dottorandi e ricercatori, il corso sara' accessibile anche a studenti di magistrale motivati. Chi non puo' partecipare ma e' interessato al corso, e' pregato di contattare Tullio via email (tullio.cs(a)sbai.uniroma1.it) Poiche' gli argomenti del seminario e del corso sono all'intersezione di tante discipline matematiche (algebra, geometria, topologia, sistemi dinamici, combinatoria, probabilita'), vi prego di girare questo messaggio a chi pensate possa essere interessato, grazie. Saluti, Michele TITLE: A Garden of Eden Theorem for Smale Spaces. ABSTRACT: Smale spaces were introduced in the late 1970s by David Ruelle in his influential monograph on thermodynamic formalism. These dynamical systems include: Anosov diffeomorphisms, non-wandering sets of Smale's Axiom A diffeomorphisms, various types of solenoids and attractors, as well as (in a symbolic dynamical setting) subshifts of finite type. In a recent joint work with Michel Coornaert, we proved, among other things, a Garden of Eden type theorem (GOET) for irreducible Smale spaces. This generalizes previous results by Fiorenzi (GOET for irreducible subshifts of finite type) and ours (GOET for Anosov diffeomorphisms on tori).

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Conferenza "Homology and homotopy in the world of graphs"
by Carlo Collari 27 Nov '25

27 Nov '25

Buongiorno, Inoltro con piacere per tutti gli interessati. A presto, Carlo ----------------------------- Ciao Carlo, con Henri Riihimäki stiamo organizzando la conferenza "Homology and homotopy in the world of graphs" al Bernoulli center in Lausanne, dal 14 al 18 settembre 2026: https://sites.google.com/view/hhgraphs Gli speaker saranno: Yasuhiko Asao (Fukuoka University) Richard Hepworth (University of Aberdeen) Kathryn Hess (EPFL) Chris Kapulkin (University of Western Ontario) Yuri Muranov (Uniwersytet Warmińsko-Mazurski) Viktoriya Ozornova (Max Planck Institute for Mathematics, Bonn) Antonio Rieser (CIMAT) Daniela Egas Santander (Max Planck Institute) Radmila Sazdanovic (North Carolina State University) Laura Scull (Fort Lewis College) Le registrazioni sono aperte fino al 31 dicembre e partecipanti interessati possono scrivere all'indirizzo email hh.wgraph(a)gmail.com o possono direttamente contattare gli organizzatori. Potresti condividere l'evento con chi pensi possa essere interessato? Grazie mille! Tanti saluti, Luigi

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Fwd: Dubrovin medal
by Bruno Martelli 20 Nov '25

20 Nov '25

---------- Forwarded message --------- Da: <giuseppe.marino(a)unina.it> Date: Gio 20 Nov 2025, 07:06 Subject: Dubrovin medal To: <gnsaga-aderenti(a)altamatematica.it> Care colleghe e cari colleghi, desidero segnalarvi la nuova Call for Nominations per la Boris Dubrovin Medal, istituita dalla SISSA con il supporto della Moscow Mathematical Society, del GNFM e del GNSAGA, in memoria di Boris Anatolievich Dubrovin, che è stato Professore alla SISSA dal 1993 al 2019. Cordiali saluti, Giuseppe ------------------- Giuseppe Marino Università degli Studi di Napoli Federico II Via Cintia, Complesso di Monte S. Angelo 81026 Napoli Tel: +39081675725 ---------------------------------------------- *Dubrovin medal call for nomination* The International School for Advances Studies, (SISSA), with the support of the Moscow Mathematical Society, GNFM and GNSAGA has established the Boris Dubrovin Medal in memory of Boris Anatolievich Dubrovin, who has been Professor at SISSA from 1993 to 2019. This award recognizes exceptionally promising young researchers who have already made outstanding contributions to the fields of mathematical physics and geometry. The recipient of the award will receive a monetary prize of 5,000 euros, made possible thanks to the contribution of SISSA-Medialab and Springer journal Letters in Mathematical Physics. In case of more than one recipient, the prize will be equally split among recipients. Requirements: Ph.D. obtained within 2016 with 2 years extension for maternity leave for each child. There are no nationality restrictions. Nominations must be sent by the *31st of January 2026* to the address dubrovin_medal(a)sissa.it. Further details for submitting a nomination in the attached file.

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Fwd: Conferenza a Bologna 17 Dicembre
by Filippo Sarti 19 Nov '25

19 Nov '25

Inoltro con piacere questo annuncio relativo ad una (mini)-conferenza in Geometria a Bologna. A presto, Filippo Inizio messaggio inoltrato: Da: Maria Beatrice Pozzetti <beatrice.pozzetti(a)unibo.it> Oggetto: Conferenza a Bologna 17 Dicembre Data: 19 novembre 2025 alle ore 13:54:17 CET A: Andrea Seppi <andrea.seppi(a)unito.it>, "francesco.bonsante(a)unipv.it" <francesco.bonsante(a)unipv.it>, Gianluca Faraco <gianluca.faraco(a)unimib.it>, "alessio.savini(a)unimib.it" <alessio.savini(a)unimib.it>, "frigerio(a)dm.unipi.it" <frigerio(a)dm.unipi.it>, "martelli(a)dm.unipi.it" <martelli(a)dm.unipi.it>, Gabriele Viaggi <gabriele.viaggi(a)uniroma1.it>, "mondello(a)mat.uniroma1.it" <mondello(a)mat.uniroma1.it>, Filippo Sarti <filippo.sarti8(a)unibo.it>, "gemma.dipetrillo(a)unitn.it" <gemma.dipetrillo(a)unitn.it> Cc: "Maloni, Sara (sm4cw)" <sm4cw(a)virginia.edu> Cari tutti, Abbiamo ancora pochissimi registrati per la miniconferenza del 17 Dicembre: https://sites.google.com/view/sara-maloni/conferenza-bologna Riuscite ad aiutarci a diffondere la voce, soprattutto tra I piu' giovani? Sperando di vedervi numerosi a Bologna! Bea

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Fw: Job opportunities at Rényi Institute
by Paolo Lisca 19 Nov '25

19 Nov '25

Inoltro annuncio di posizioni all'istituto Rényi. Paolo Lisca ________________________________ From: Marco Marengon <marengonm(a)gmail.com> Sent: Tuesday, November 18, 2025 21:52 Subject: Job opportunities at Rényi Institute Dear colleague, We just posted some announcements for jobs at the Rényi Institute, starting in September 2026: https://www.renyi.hu/en/open-positions These include several postdoc positions, including one specifically in low-dimensional topology, as well as some tenured positions. All positions come with no teaching load. More information at the link above. I would be grateful if you could forward this to anyone who might be interested. My best wishes, M

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Fwd: Advertisement - endowed chair position and postdocs (UVA) and positions at Lodha Institute (Mumbai)
by Bruno Martelli 04 Nov '25

04 Nov '25

---------- Forwarded message --------- Da: Maloni, Sara (sm4cw) <sm4cw(a)virginia.edu> Date: mar 28 ott 2025 alle ore 13:33 Subject: Re: Advertisement - endowed chair position and postdocs (UVA) and positions at Lodha Institute (Mumbai) To: Koberda, Thomas M (tmk5a) <tmk5a(a)virginia.edu> Dear colleagues, Sorry for the second email, but I wanted to send you the link of our postdoc positions. The Mathematics Department at the University of Virginia invites applications for various 3 year postdoctoral positions in Geometric Group Theory and its connections to Algebraic Combinatorics, Analytic Number Theory, Geometric Group Theory, Geometric Topology, Geometry and Probability, Logic, Group Actions on Manifolds. Information about this position can be found on Math Jobs below: - https://www.mathjobs.org/jobs/list/27417 - https://www.mathjobs.org/jobs/list/27418 (Please also apply: - https://uva.wd1.myworkdayjobs.com/.../Research-Associate... <https://uva.wd1.myworkdayjobs.com/UVAJobs/job/Charlottesville-VA/Research-A…> - https://uva.wd1.myworkdayjobs.com/.../Whyburn-Research... <https://uva.wd1.myworkdayjobs.com/UVAJobs/job/Charlottesville-VA/Whyburn-Re…> ) Feel free to forward to anyone who might be interested. If you have any question, please ask us. Best, Sara and Thomas -- Sara Maloni Department of Mathematics University of Virginia https://sites.google.com/view/sara-maloni/ Pronouns: she/her/hers ------------------------------ *From:* Maloni, Sara (sm4cw) <sm4cw(a)virginia.edu> *Sent:* Monday, October 6, 2025 9:37 AM *To:* Koberda, Thomas M (tmk5a) <tmk5a(a)virginia.edu>; Maloni, Sara (sm4cw) < sm4cw(a)virginia.edu> *Cc:* Bergner, Julie (jeb2md) <jeb2md(a)virginia.edu> *Subject:* Advertisement - endowed chair position and postdocs (UVA) and positions at Lodha Institute (Mumbai) Dear colleagues and friends, We are writing to advertise: 1. A* full professor, endowed chair position (*Mary Ann Pitts Jefferson Scholars Foundation Distinguished Professorship in Mathematics) at the University of Virginia: https://www.mathjobs.org/jobs/list/2517 It comes with a sabbatical leave after every six semesters of teaching, and this person will have access to annual research funds. It seems that other aspects of the professions are negotiable, as it is always in this situation. 2. Several * postdoctoral positions *at UVA with priority in Analytic Number Theory, Geometric Group Theory, Geometric Topology and Geometry. (Mathjobs ad coming soon and no citizen requirement.) 3. A *semester *on "Analytic group theory" and "Surface group representations" at the new Lodha Mathematical Sciences Institute in Mumbai, India (July to December 2026). Funding is available for *Research Fellow *positions (3 weeks or more), and *Postdoctoral Fellows*. Please apply via mathjobs here: https://www.mathjobs.org/jobs/3627. More details will be posted in the coming months at the conference website: https://sites.google.com/view/lmsi-fall2026/home We are asking to please consider these positions and/or please forward the announcement to anyone who you think might be interested. (Last year's search was unsuccessful, as many of you know.) We do not require recommendation letters for the endowed chair position at this stage, so hopefully the application process is quite light. If you have any question, please do not hesitate to ask. Personally, I hope we will hire a person who is a good fit, but also someone who is a "good colleague" and in our field we are lucky that this seems often to be the case. 🙂 Thank you very much in advance for helping us to advertise these opportunities. Best wishes, Sara and Thomas -- Sara Maloni Department of Mathematics University of Virginia https://sites.google.com/view/sara-maloni/ Pronouns: she/her/hers

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Fwd: tenure-track researcher (RTT) positions in L' Aquila
by Bruno Martelli 27 Oct '25

27 Oct '25

---------- Forwarded message --------- Da: Barbara Nelli <barbara.nelli(a)univaq.it> Date: Dom 26 Ott 2025, 11:51 Subject: tenure-track researcher (RTT) positions in L' Aquila To: Barbara Nelli <barbara.nelli(a)univaq.it> Dear colleague, The University of L' Aquila announces the opening of a tenure-track researcher (RTT) positions in Geometry: English: https://www.univaq.it/en/include/utilities/blob.php?table=concorso_doc&id=4… Italian: https://www.univaq.it/include/utilities/blob.php?table=concorso_doc&id=424&… The deadline for submitting applications is *22 November, at 11:00 pm (GMT+1).* We would greatly appreciate your assistance in sharing this announcement with potential candidates who may be interested. If you need any further information, please do not hesitate to contact me. Thank you! Best wishes, Barbara

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Seminario Geometria domani 21 ottobre ore 11 - Serge Cantat
by Filippo Sarti 20 Oct '25

20 Oct '25

Buongiorno, Vi segnalo che Serge Cantata (CNRS, Université de Rennes) terrà il prossimo seminario di Geometria domani Martedì 21 ottobre alle ore 11:00 presso l'aula Seminari. Allego titolo e abstract Titolo: Dynamics on the Markov surface Abstract: The Markov surface parametrizes certain representations of the free group of rank 2 in the group of matrices SL_2. The group of automorphisms of the free group acts on this algebraic surface by polynomial automorphisms. I will describe some dynamical properties of this action. This is related to hyperbolic geometry and holomorphic dynamics. A presto Filippo

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Fwd: [rtop] Postdoctoral Fellowship in Topology and Representation Theory - Université Clermont Auvergne (Clermont-Ferrand, France)
by Bruno Martelli 13 Oct '25

13 Oct '25

---------- Forwarded message --------- Da: <wagner(a)imj-prg.fr> Date: Lun 13 Ott 2025, 11:09 Subject: [rtop] Postdoctoral Fellowship in Topology and Representation Theory - Université Clermont Auvergne (Clermont-Ferrand, France) To: <rtop(a)listes.math.cnrs.fr> Postdoctoral Fellowship in Topology and Representation Theory - Université Clermont Auvergne (Clermont-Ferrand, France) We invite applications for a Postdoctoral Research Fellowship in Topology and Representation Theory at the Laboratoire de Mathématiques Blaise Pascal, Université Clermont Auvergne (Clermont-Ferrand, France). The duration of the fellowship is for 3 years, with a net salary of approximately 2400 euros per month. The position is funded by the ANR-24-CPJ1-0026-01 as part of the CPJ (Chaire de Professeur Junior) funding of Cristina Palmer-Anghel. The research activity and background of the candidate are expected to be in one of the following areas: topology with focus on the study of (quantum) knot and 3-manifold invariants, categorifications, or representation theory of quantum groups. The position provides the opportunity to join an active research group and develop new collaborations. Financial funding for travel and research visits will be available. The application material should contain: - CV; - research statement; - list of publications; - 2 recommendation letters; and should be submitted to cristina.anghel(a)uca.fr . The deadline for applications is the 31st December 2025. Best regards, Cristina Palmer-Anghel

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