Geometria_Pisa

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Fwd: [Utenti] Fwd: ricercatore tipo B a Genova
by Bruno Martelli 01 Jun '15

01 Jun '15

Segnalo un posto di geometria di tipo B a Genova. Il bando scade fra pochi giorni. Bruno ---------- Forwarded message ---------- From: Enrico Sbarra <sbarra(a)dm.unipi.it> Date: 2015-05-26 12:41 GMT+02:00 Subject: [Utenti] Fwd: ricercatore tipo B a Genova To: utenti(a)dm.unipi.it Ricevo e inoltro per eventuali interessati. Cordiali saluti, Enrico Sbarra -------- Forwarded Message -------- Subject: ricercatore tipo B a Genova Date: Sat, 23 May 2015 00:15:55 +0200 (CEST) From: GVA <gva(a)mat.uniroma3.it> To: GVA <gva(a)mat.uniroma3.it> Si comunica che nella Gazzetta Ufficiale n. 38, 4^ Serie Speciale, del 19.5.2015, è stato pubblicato l’avviso relativo all'indizione delle seguenti procedure pubbliche di selezione finalizzate al reclutamento di: n. 1 ricercatore a tempo determinato, mediante conferimento di contratto di lavoro subordinato di durata triennale, ai sensi dell'art. 24, comma 3, lettera B), della legge 30.12.2010, n. 240, per: Dipartimento di Matematica (DIMA) Settore concorsuale 01/A2 Geometria e Algebra Settore scientifico disciplinare: MAT/03 Geometria _______________________________________________ Utenti mailing list Utenti(a)mail.dm.unipi.it https://mail.dm.unipi.it/listinfo/utenti

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Fwd: [Geometria] Seminario Andrei Okounkov
by Daniele Angella 01 Jun '15

01 Jun '15

---------- Messaggio inoltrato ---------- Da: "Gabriele Vezzosi" <gabriele.vezzosi(a)unifi.it> Data: 01/giu/2015 11:08 Oggetto: [Geometria] Seminario Andrei Okounkov > Cari colleghi, > > il giorno 4 Giugno alle ore 11:30 in Aula Tricerri, > > Anrdei Okounkov (Columbia University), > > medaglia Fields 2006, terra' un Colloquium talk, > destinato ad un pubblico vasto di matematici, > dal titolo > > ''Boxcounting'' > > Abstract: > I will talk about combinatorial problems related to 2- and 3-dimensional partitions > and what they have to do with the geometry of the Hilbert schemes of points in 2 and > 3 dimensions. It is very interesting to see how combinatorics and geometry enrich each > other along their intersection in this very classical topic. > > Data l'eccezionalità' dell'evento, > spero che parteciperete numerosi. > > Un saluto, > Gabriele Vezzosi > > _______________________________________________ > Geometria mailing list > Geometria(a)lists.math.unifi.it > https://lists.math.unifi.it/mailman/listinfo/geometria >

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Call for 3 postdoc positions in Bologna (fwd)
by Roberto Frigerio 29 May '15

29 May '15

Ricevo e inoltro. Roberto ---------- Forwarded message ---------- Date: Thu, 28 May 2015 14:43:54 +0200 From: "Mondello, Gabriele" <mondello(a)mat.uniroma1.it> To: undisclosed-recipients: ; Subject: Call for 3 postdoc positions in Bologna Dear colleague, I am writing to inform you that a call for 1 two-year (senior) and 2 one-year (junior) post-doc positions in Mathematics at University of Bologna has just been opened. Deadline for applications: 21 June 2015. Webpage (inEnglish): http://www.mathematics.unibo.it/en/calls-of-competition/starting- and-advanced-positions-in-mathematics-social-siences-and-engineering Please feel free to forward such announcement to any potentially interested candidate. Thank you very much and best wishes, Gabriele -- ------------------------------- Gabriele Mondello Dipartimento di Matematica "Sapienza" Università di Roma Piazzale Aldo Moro 5 00185 Roma - Italy Tel: (+39) 06 4991 3283 Email: mondello(a)mat.uniroma1.it -------------------------------

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Call for 3 postdoc positions in Rome
by Roberto Frigerio 29 May '15

29 May '15

Ricevo e inoltro. Roberto ---------- Forwarded message ---------- Date: Thu, 28 May 2015 14:37:04 +0200 From: "Mondello, Gabriele" <mondello(a)mat.uniroma1.it> To: undisclosed-recipients: ; Subject: Call for 3 postdoc positions in Rome Dear colleague, I am writing to inform you that my department has just opened a call for 2 two-year and 1 one-year post-doc positions in Mathematics at "Sapienza" University of Rome. Unfortunately, the official announcement is in Italian only (...!...), so I can provide some help if someone wants to apply. Some details: 1) candidates must have got their PhD before the deadline; 2) in order to apply, candidates must fill Annex A and submit it (in PDF format) by e-mail with Annex B, scannerized copy of your passport/ID and all the other documents (zipped files are admissible); 3) the selection is based on CV, papers and interview on your reserach project. Deadline for applications: Monday 22 June 2015. Webpage: http://www2.mat.uniroma1.it/node/5834 Please feel free to forward such announcement to any potentially interested candidate. Thank you very much and best wishes, Gabriele -- ------------------------------- Gabriele Mondello Dipartimento di Matematica "Sapienza" Università di Roma Piazzale Aldo Moro 5 00185 Roma - Italy Tel: (+39) 06 4991 3283 Email: mondello(a)mat.uniroma1.it -------------------------------

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Seminario Baby Geometri (Josè Fernando Galvan )
by Antonio Alfieri 25 May '15

25 May '15

Buon giorno, volevo segnalarvi il prossimo seminario del ciclo BG che si terrà mercoledì 27 Maggio alle 18.00. Parlerà Josè Fernando Galvan (Università Complutense di Madrid) qui trovate tutte le informazioni http://gecogedi.dimai.unifi.it/seminar/310/ Saluti, Antonio Alfieri

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seminario Roman Sauer (KIT)
by Roberto Frigerio 25 May '15

25 May '15

Buongiorno, dopodomani mercoledi' 27 maggio avra' luogo in aula seminari, alle ore 16, un seminario di Roman Sauer (Karlsruhe Institute of Technology). Seguono titolo e abstract. Saluti, Roberto Title: Volume and homology growth Abstract: Consider a tower of finite coverings of a closed manifold. We usually assume that the fundamental group is residually finite and that the tower corresponds to a residual chain of the fundamental group. We then ask: How does the size of the k-th homology group grow as we go up in the tower? By size we mean the rank or the cardinality of the torsion subgroup. We connect the homology growth for aspherical Riemannian manifolds in the above sense to the volume of balls.

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assegni di ricerca a Roma
by Roberto Frigerio 24 May '15

24 May '15

Buongiorno, vi segnalo i seguenti assegni di ricerca banditi oressi l'Universita' di Roma Sapienza: http://www2.mat.uniroma1.it/sites/default/files/bando2015-5.pdf [www2.mat.uniroma1.it] n.5/2015 per il conferimento di n. 2 assegni biennali e 1 assegno annuale categoria A tip. II _ Matematica e sue applicazioni. SSD: tutti scadenza: 22 giugno 2015 Saluti, Roberto

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Fwd: avviso seminario di matematica dr. Junyan Cao (26.05.2015)
by Daniele Angella 20 May '15

20 May '15

(scusate per gli eventuali annunci multipli.. segnalo ai possibili interessati un seminario a Pisa martedi' 26 maggio. un saluto) ---------- Forwarded message ---------- From: Valeria Giuliani <valeria.giuliani(a)sns.it> Date: Wed, May 20, 2015 at 10:55 AM Subject: avviso seminario di matematica dr. Junyan Cao (26.05.2015) SEMINARIO DI MATEMATICA Martedì 26 maggio 2015 ore 14:30 Scuola Normale Superiore Pisa Aula Fermi Junyan Cao (Institut de Mathématiques de Jussieu – Université Paris 6) Terrà un seminario dal titolo: “ Kodaira dimension of algebraic fiber spaces over abelian varieties” Abstract: I will talk about a joint paper with Mihai Paun; our main result is that, for a fibration $p: X\rightarrow T$ from a projective manifold to a torus, the Kodaira dimension of $X$ is not less than the Kodaira dimension of the generic fiber. A main ingredient in our proof is a fine estimate about the weak positivity of the direct image of the relative pluri-canonical bundle. Tutti gli interessati sono invitati a partecipare. Classe di Scienze Matematiche e Naturali Valeria Giuliani Scuola Normale Superiore Servizio alla Didattica e Allievi tel. 050 509260 Piazza dei Cavalieri, 7 56126 Pisa E-mail: valeria.giuliani(a)sns.it E-mail: classi(a)sns.it

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seminario del 6/5
by Paolo Lisca 04 May '15

04 May '15

Buongiorno a tutti, vi ricordo del seminario di mercoledì prossimo 6 maggio, alle 16 in sala seminari. Trovate i dati qui sotto. P Lisca ------------------- Speaker: Ana Garcia Lecuona, Université d'Aix-Marseille. Titolo: Splice links and colored signatures Abstract: The splice of two links is an operation defined by Eisenbund and Neumann which generalizes several other operations on links, such as the connected sum, the cabling or the disjoint union. The precise definition will be given in the talk but the rough idea goes as follows: the splice of the links L’ and L'' along the components K' and K'' is the link (L' \ K') U (L''\ K'') obtained by identifying the exterior of K' with the exterior of K''. There has been much interest to understand the behavior of different link invariants under the splice operation (genus, fiberability, Conway polynomial, Heegaard-Floer homology among others) and the goal of this talk is to present a formula relating the colored signature of the splice of two oriented links to the colored signatures of its two constituent links. As an immediate consequence, we have that the conventional univariate Levine-Tristram signature of a splice depends, in general, on the colored (or multivariate) signatures of the summands. There is one case for which we do not have yet a closed formula. If time permits, we will discuss this case whose study leads to a generalization of Kojima's eta-function for links.This is a joint work, still in progress, with Alex Degtyarev and Vincent Florens.

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seminari mercoledì
by Bruno Martelli 13 Apr '15

13 Apr '15

buondì, segnalo due seminari per mercoledì prossimo, il nostro di geometria è anticipato alle 14.30. a presto, Bruno --- Wednesday, April 15, 2015 Ora Inizio: 14:30 Aula: Sala Seminari (Dip. Matematica) Relatore: Paolo Aceto (Università di Firenze) Titolo: Rational homology cobordisms of plumbed 3-manifolds and arborescent link concordance Abstract: We investigate rational homology cobordisms of 3-manifolds with non-zero first Betti number. This is motivated by the natural generalization of the slice-ribbon conjecture to multicomponent links. In particular we consider the problem of which rational homology S^1x S^2's bound rational homology S^1xD^3's. We give a simple procedure to construct rational homology cobordisms between plumbed 3-manifold. We introduce a family F of plumbed 3-manifolds with b_1=1. By adapting an obstruction based on Donaldson's diagonalization theorem we characterize all manifolds in F that bound rational homology S^1xD^3's. For all these manifolds a rational homology cobordism to S^1xS^2 can be constructed via our procedure. The family F is large enough to include all Seifert fibered spaces over the 2-sphere with vanishing Euler invariant. We also describe applications to arborescent link concordance. ---- Wednesday, April 15, 2015 Ora Inizio: 16:00 Aula: Sala Seminari (Dip. Matematica) Relatore: Alberto Abbondandolo (Univ. di Bochum e Univ. di Pisa) Titolo: How long is the shortest geodesic on a sphere?

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