Geometria_Pisa

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I: PLEASE DISTRIBUTE: Graduate summer school "Frontiers in Geometry and Topology", ICTP, Trieste (Italy), August 1-5, 2022; APPLICATIONS OPEN NOW, DEADLINE FEBRUARY 28, 2022
by Paolo Lisca 06 Jan '22

06 Jan '22

Inoltro annuncio di scuola estiva Paolo Lisca ________________________________ Da: Paul Seidel <pseidel(a)mit.edu> Inviato: mercoledì 5 gennaio 2022 22:31 Oggetto: PLEASE DISTRIBUTE: Graduate summer school "Frontiers in Geometry and Topology", ICTP, Trieste (Italy), August 1-5, 2022; APPLICATIONS OPEN NOW, DEADLINE FEBRUARY 28, 2022 We are delighted to announce this summer school, to be held at ICTP, Trieste (Italy), August 1-5, 2022. It will feature mini-courses by Joshua Greene, Jen Hom, Francesco Lin, John Pardon (to be confirmed) and Thomas Walpuski, covering topics in low-dimensional topology, Floer homology, and gauge theory. The summer school will be followed by a research conference the week after. Applications are open now, and the DEADLINE for applying is FEBRUARY 28, 2022. The application page is linked to from the main event web page, http://indico.ictp.it/event/9705/ Frontiers in Geometry and Topology Summer School | (smr 3648) (01-5 August 2022)<http://indico.ictp.it/event/9705/> indico.ictp.it An ICTP Hybrid Meeting Organised in partnership with the Clay Mathematics Institute The conference is intended as an appreciation of the contributions of Tomasz Mrowka Geometry and Topology have seen spectacular recent developments, including the solution of classical problems. As a consequence, the established picture of how various parts of these areas fit together Applicants are expected to provide a recommendation letter from their PhD advisor. Practical information (some of which is still preliminary at this point): WHO CAN APPLY? PhD students with an interest in the topics covered by the summer school. During the application process, applicants will be able to state whether they are potentially interested in staying on for the conference the week after. HOW ABOUT COVID AND REMOTE PARTICIPATION? We encourage in-person attendance. However, in view of current uncertainties, the summer school is designed as hybrid, and allows remote participation if necessary. Note that remote participants have to go through the same application process as in-person ones. WHERE WILL PARTICIPANTS STAY? ICTP has on-campus housing that participants can book at a reasonable price. HOW ABOUT REIMBURSEMENT FOR HOUSING AND TRAVEL? Our aim is to cover housing expenses for most or all participants during the summer school. Additionally, some summer school participants may receive support for housing during the conference (the week after the summer school), and/or a contribution towards travel expenses. One of our funding sources is ICTP, which offers partial support for participants from developing countries (this is part of ICTP's mission of encouraging the worldwide development of mathematics and physics). The Clay Foundation has awarded us a small amount of funding, for travel expenses of selected participants. Finally, we have a pending application for funding from the National Science Foundation, which if approved would provide additional resources for a number of US-based graduate students. Organizing committee: Paul Feehan, Lenny Ng, Peter Ozsvath, Yongbin Ruan, Paul Seidel

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I: Position at the Erdõs Center (Budapest)
by Paolo Lisca 21 Dec '21

21 Dec '21

Inoltro annuncio di semestre speciale a Budapest, con varie posizioni associate. Paolo Lisca ________________________________ Da: Stipsicz Andras <stipsicz.andras(a)renyi.hu> Inviato: lunedì 20 dicembre 2021 18:10 Oggetto: Position at the Erdõs Center (Budapest) Dear colleagues, We would like to announce a research semester in "Singularities and low dimensional topology", which will take place in Budapest from February 2023 to June 2023. More details can be found at https://erdoscenter.renyi.hu/articles/singularities-and-low-dimensional-top… Connected to the research semester, we announce: - a number of 6-month or 1-year postdoc positions; - a number of visiting professor positions. The deadline for applying (for both) is 28 February 2022. Here are the links to the job announcements: - postdoc positions: https://erdoscenter.renyi.hu/sites/default/files/jobs/documents/PostdocSLDT… - visiting positions: https://erdoscenter.renyi.hu/sites/default/files/jobs/documents/Visiting23.… Please forward this email to anyone who may be interested in applying. Best wishes, András Stipsicz

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I: Summer school on Alexander polynomials
by Paolo Lisca 17 Dec '21

17 Dec '21

Inoltro annuncio di scuola estiva. Paolo Lisca ________________________________ Da: Marco Golla <marco.golla(a)univ-nantes.fr> Inviato: venerdì 17 dicembre 2021 16:26 Oggetto: Summer school on Alexander polynomials Dear colleagues, We are organising a summer school on Alexander polynomials at the University of Nantes (May 30-June 3, 2022). There will be two mini-courses, one by Fathi Ben-Aribi (Université Catholique de Louvain) on twisted Alexander polynomials in the context of classical knot theory and one by Vincent Florens (Université de Pau) on Alexander polynomials and complex projective curves. We expect to have some contributed talks by young participants. The schedule will be pretty light, in order to allow the participants ample time to work on the material covered in the lectures. Some familiarity with knot theory and with (very basic) complex projective geometry will be assumed. You can find more information on the webpage of the school: https://www.math.sciences.univ-nantes.fr/~golla/docs/schools/school-alexand… . The registration page is here: https://www.math.sciences.univ-nantes.fr/AlexanderPolynomials/ and the registration deadline is March 30, 2022. You can contact us at the email address Alexander.Polynomials (at) univ-nantes.fr. Could you pass this information on to any PhD student/postdoc, or even motivated Master student, who might be interested in attending? Funding is available for students who will be selected to give a talk. However, should funding be an insurmountable issue, do ask them to get in touch (Alexander.Polynomials (at) univ-nantes.fr). Thank you! The organisers, Erwan Brugallé, Marco Golla, and François Laudenbach

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I: Postdoc at the University of Vienna in Low dimensional Topology
by Paolo Lisca 16 Dec '21

16 Dec '21

Segnalo una posizione post-doc a Vienna per l'anno prossimo. Paolo Lisca

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Seminario di Combinatoria, Teoria di Lie e Topologia - 9 Dicembre 2021 - Giovanna Carnovale
by Francesco Sala 06 Dec '21

06 Dec '21

Carə tuttə, Vi scrivo per annunciarvi che questo giovedì 9 Dicembre 2021 vi sarà un seminario in presenza per il ciclo di seminari "Seminario di Combinatoria, Teoria di Lie e Topologia” di Pisa. Il seminario si svolgerà in Aula Seminari dalle 15 alle 16. L'oratrice è Giovanna Carnovale (Università di Padova). — Titolo: Approximations of a Nichols algebra from a geometric point of view Abstract: The talk is based on an ongoing joint project with Francesco Esposito and Lleonard Rubio y Degrassi. Nichols (shuffle) algebras are a family of graded Hopf algebras (in a braided monoidal category) which includes symmetric algebras, exterior algebras and the positive part of quantized enveloping algebras. They are crucial in the classification of (pointed) Hopf algebras. However, it is very difficult to describe their relations or to estimate their dimensions in general and new tools are very welcome. We will exploit an equivalence due to Kapranov and Schechtman between a category of graded bialgebras in a braided monoidal category V and the category of factorizable systems of perverse sheaves on all symmetric products Sym^n(C) with values in V. I will describe the factorizable perverse sheaves counterpart of some algebraic constructions, including the n-th approximation of a graded bialgebra. Since the image of Nichols algebras through Kapranov and Schechtman equivalence is very precise, we can translate into geometric statements when a Nichols algebra is finitely presented, or coincides with any of its approximations. — (Qualora pensiate di venire, per aiutarmi nella stesura del documento di tracciamento, vi prego di iscrivervi qui) Vi prego di inoltrare questo messaggio a tutti coloro che ritenete possano essere interessati. Sperando di vedervi numerosi, vi mando i miei saluti, Francesco

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Seminario di Combinatoria, Teoria di Lie e Topologia - 2 Dicembre 2021 - Andrea Appel
by Francesco Sala 01 Dec '21

01 Dec '21

Carə tuttə, Vi scrivo per annunciarvi che domani vi sarà un seminario in presenza per il ciclo di seminari "Seminario di Combinatoria, Teoria di Lie e Topologia” di Pisa. Il seminario si svolgerà in Aula Magna dalle 15 alle 16. L'oratore è Andrea Appel (Università di Parma). — Titolo: Generalized Schur-Weyl duality for quantum affine symmetric pairs and orientifold KLR algebras Abstract: In the work of Kang, Kashiwara, and Kim, the Schur–Weyl duality between quantum affine algebras and affine Hecke algebras is extended to certain Khovanov-Lauda-Rouquier (KLR) algebras, whose defining com- binatorial datum is given by the poles of the normalized R–matrix on a set of representations. In this talk, I will describe a boundary version of this construction, providing a Schur–Weyl duality between quantum symmetric pairs of affine type and KLR algebras arising from a framed quiver with an involution. With respect to the Kang-Kashiwara-Kim construction, the extra combinatorial datum we take into account is given by the poles of the k–matrix (that is, a solution of the reflection equation) of the quantum symmetric pair. This is based on joint work in progress with T. Przezdziecki. — (Qualora pensiate di venire, per aiutarmi nella stesura del documento di tracciamento, vi prego di iscrivervi qui) Vi prego di inoltrare questo messaggio a tutti coloro che ritenete possano essere interessati. Sperando di vedervi numerosi, vi mando i miei saluti, A presto, Francesco

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Annuncio: Summer School and Workshop on "Representation theory and flag or quiver varieties" - June 13 - 22, 2022 - Paris
by Francesco Sala 29 Nov '21

29 Nov '21

Carə tuttə, Vi scrivo per annunciarvi: --- A summer school will take place in the university Paris Diderot, from June 13th to 17th 2022, on "Representation theory and flag or quiver varieties". It will focus on the following topics: -Quantum cohomology and K-theory, -Stable envelopes, -Quiver varieties, -Cluster algebras -… The school will consists of 4 courses given by L. Mihalcea, R. Rymanyi, A. Smirnov, C. Robles, T. Lam and A. Shapiro. After the school there will be a 3-days workshop, from June 20th to 22nd, with research talks on the same subjects. Some funding is available for the housing of participants. For more information see https://school2022.sciencesconf.org/ Registration is open and will be closed on March 15th, 2022. Organizers : N. Perrin (Université Paris-Saclay) O. Schiffmann (Université Paris-Saclay) E. Vasserot (Université de Paris) M. Varagnolo (Université Cergy-Paris) --- Vi prego di inoltrare questo annuncio a tuttə coloro che possano essere interessati. A presto, Francesco

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Seminario di Combinatoria, Teoria di Lie e Topologia - 2 Dicembre 2021 - Andrea Appel
by Francesco Sala 29 Nov '21

29 Nov '21

Carə tuttə, Vi scrivo per annunciarvi che questo giovedì vi sarà un seminario in presenza per il ciclo di seminari "Seminario di Combinatoria, Teoria di Lie e Topologia” di Pisa. Il seminario si svolgerà in Aula Magna dalle 15 alle 16. L'oratore è Andrea Appel (Università di Parma). — Titolo: Generalized Schur-Weyl duality for quantum affine symmetric pairs and orientifold KLR algebras Abstract: In the work of Kang, Kashiwara, and Kim, the Schur–Weyl duality between quantum affine algebras and affine Hecke algebras is extended to certain Khovanov-Lauda-Rouquier (KLR) algebras, whose defining com- binatorial datum is given by the poles of the normalized R–matrix on a set of representations. In this talk, I will describe a boundary version of this construction, providing a Schur–Weyl duality between quantum symmetric pairs of affine type and KLR algebras arising from a framed quiver with an involution. With respect to the Kang-Kashiwara-Kim construction, the extra combinatorial datum we take into account is given by the poles of the k–matrix (that is, a solution of the reflection equation) of the quantum symmetric pair. This is based on joint work in progress with T. Przezdziecki. — (Qualora pensiate di venire, per aiutarmi nella stesura del documento di tracciamento, vi prego di iscrivervi qui) Vi prego di inoltrare questo messaggio a tutti coloro che ritenete possano essere interessati. Sperando di vedervi numerosi, vi mando i miei saluti, Francesco

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Reading course su omologia di Heegaard Floer
by Filippo Bianchi 26 Nov '21

26 Nov '21

Cari tutti, care tutte, Con altri dottorandi di Pisa stiamo organizzando un reading course sull'omologia di Heegaard Floer o una delle sue varianti, ad esempio la "grid homology" per nodi e link. Chiunque fosse interessato a partecipare può rispondere a questa mail nei prossimi giorni, in modo che possiamo incontrarci la prossima settimana per definire con più precisione l'argomento da trattare, le fonti da seguire ed il periodo in cui cominciare le letture. Saluti, a presto Filippo Bianchi

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Fwd: [Personale.docente.dm] Assegni di ricerca - pubblicazione bando
by Bruno Martelli 25 Nov '21

25 Nov '21

Segnalo due assegni biennali presso il nostro dipartimento, aperti a tutti i settori della matematica. Bruno Martelli ---------- Forwarded message --------- From: Matteo Novaga <matteo.novaga(a)unipi.it> Date: Thu, Nov 25, 2021 at 7:59 AM Subject: [Personale.docente.dm] Assegni di ricerca - pubblicazione bando To: personale.docente(a)dm.unipi.it <personale.docente(a)dm.unipi.it> Cc: Cristina Lossi <cristina.lossi(a)unipi.it>, Simona Guidotti < simona.guidotti(a)unipi.it> Buongiorno, segnalo, chiedendo di darne ampia diffusione, il bando per due assegni di ricerca in Matematica, consultabile alla pagina https://bandi.unipi.it/public/Bandi/Detail/1cd16e96-3687-4359-a51b-99a90106… Il termine per la presentazione delle domande è il 24 dicembre alle ore 13. Saluti, Matteo

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Geometria_Pisa