# Past seminars

## Wednesday April 11, 2018 - room 2BC30 - time 14:00 - Andrea Fanelli (Düsseldorf)

** Del Pezzo fibrations in positive characteristic**

## Wednesday March 21, 2018 - room SRVII - time 14:00 - Pietro de Poi (Udine)

## Wednesday March 7, 2018 - room 2BC30 - time 14:00 - Margherita Lelli Chiesa (L'Aquila)

** Nikulin surfaces and moduli of Prym curves**

## Thursday December 14, 2017 - room 2AB40 - time 13:20 - Ivan Fesenko (Nottingham)

** Inter-universal Teichmueller Theory (IUT)**

## Monday July 3, 2017 - room 2BC60 - time 11:15 - Bernard Le Stum (Rennes)

** Rigid cohomology and -adic spaces **

## Monday July 3, 2017 - room 2BC60 - time 10:00 - Nobuo Tsuzuki (Tohoku)

** Constancy of Newton polygons of F-isocrystals on Abelian varieties and its application **

## Thursday June 1, 2017 - room 2BC30 - time 14:30 - Nicola Mazzari (Bordeaux)

** Attorno ad un teorema di Serre e Tate**

## Friday May 26, 2017 - room SRVII - time 11 - Michele Bolognesi (Montpellier)

** A variation on a conjecture of Faber and Fulton **

## Friday May 19, 2017 - room 2AB45 - time 14:00 - Bryden Cais (Arizona)

** Breuil-Kisin modules and crystalline cohomology **

## Marc-Hubert NICOLE (Université d’Aix-Marseille)

Thursdays May 11 in SRVII, May 18 in 2BC30, May 25 2017, in 1BC45 - time 14:15

** Three lectures on Drinfeld modules and Drinfeld modular forms à la Katz **

## Thursday May 18, 2017 - room 2BC30 - time 11:30 - Giovanni Rosso (Cambridge)

** Ordinary modular forms over some unitary Shimura varieties without ordinary locus **

## Thursday April 27, 2017 - room 2BC30 - time 14:30 - Daniel Caro (Caen)

** $p$-basis and arithmetic $\mathcal{D}$-modules **

## Monday April 12, 2017 - room 1AD100- time 12:00 - Yves André (CNRS, Paris 6)

** Recent progress on the homological conjectures in commutative algebra **

## Monday April 10, 2017 - room 2BC30- time 14:15 - Yves André (CNRS, Paris 6)

** Kummer extensions of rings of formal power series, and perfectoid algebras **

## Wednesday April 5, 2017 - room SRVII - time 16:00 - Andreas Knutsen (Bergen)

** Title: Brill-Noether theory of curves on abelian surfaces **

## Wednesday March 15, 2017 - room SRIV - time 16:00 - Hugo Torres (UNAM, Morelia, Mexico)

** Title: Linear stability and the Butler conjecture. **

## Thursday February 9, 2017 - room 2BC60 - time 14.30 - Fumiharo Kato (Tokyo Institute of Technology )

** Henselian rigid geometry **

## Thursday January 12, 2017 - room SRVII - time 14.30 - Christian Lehn (TU Chemnitz).

** Birational geometry of singular symplectic varieties and a global Torelli theorem **

## Friday December 16, 2016 - room SRVII - time 11:15 - Shinichi Kobayashi (Tohoku)

** The radius of convergence of the p-adic sigma function at supersingular primes **

## Friday December 16, 2016 - room SRVII - time 12:15 - Nobuo Tsuzuki (Tohoku)

** $F$-isocrystals on elliptic curves over a finite field **

## Thursday December 1, 2016 - room SRVII - time 14:30 - Ambrus Pal (Imperial)

** Simplicial homotopy theory of algebraic varieties over real closed fields **

## Thursday, November 10, 2016 - room 2BC/30 - time 15:00 - Francesco Polizzi (Calabria)

** New constructions of surfaces with $p_g=q=2$ via finite covers**

## Thursday October 20, 2016 - room 2BC30 - time 14:30 - Marco Franciosi (Pisa)

## Wednesday October 19, 2016 - room SRVII - time 14:30 - Remke Kloosterman (Padova)

** Alexander polynomials of curves, Mordell-Weil ranks and syzygies **

## Friday October 14, 2016 - room 2BC30 - time 14:30 - Christian Liedtke (TU München)

## Thursday October 6, 2016 - room 2BC30 - 14:30 - Nero Budur (Leuven)

## Tuesday September 27, Thursday September 29 2016; - room 1BC50 - time 11:30 - Maria Rosaria Pati (Pisa)

** p-adic L-functions, following Bertolini-Darmon-Iovita-Spiess construction. **

## July 7 2016 - room 2AB40 - 12:00 - Francesco Baldassarri

** Metodi analitici di Barsotti per gruppi p-divisibili e algebre perfettoidi.III.**/p>

## Elena Mantovan (Caltech)

Tuesday June 21, 2016 - room 2BC30 - time 10:30

- **Differential operators and families of automorphic forms on unitary groups of arbitrary signature.**

Thursday June 23, 2016 - room 2AB45 - time 10:30

- **An approach to Hida's theory at unramified non-split primes.**

## Tuesday May 24, 2016 - room SRVII - 13:30 - Adrian Langer (Warsaw)

** Rigid representations of quasi-projective fundamental groups**

## Richard Crew (University of Florida)

** Arithmetic Differential Operators on Adic Formal Schemes **

Friday May 6, 2016 - room 2AB40 - 14:00-16:00

Thursday May 12, 2016 - room SRVII - 14:00-16:00

Friday May 13, 2016 - room 2AB40 - 14:00-16:00

## Monday April 18, 2016 -room SRVII - 14:00 - Andrea Pulita (Grenoble)

** On some recent works **

## Friday February 5, 2016 - room 2AB45- 11:00 - Hironori Shiga

** Visualization of the Shimura complex multiplication via hypergeometric equations and Lam'e equations **

## Friday November 6, 2015 - room 2AB40- 11:30 - Farhad Babaee (ENS)

** A tropical approach to the strongly positive Hodge conjecture **

## Thursday November 5, 2015 - room 2BC30 -14:15 - Ambrus Pal (Imperial College)

** Indipendence results on p-adic monodromy groups **

## Wednesday November 4, 2015 - room 2BC30 -14:15 - Christopher Lazda

** Monodromy-weight conjecture **

## Friday October 30, 2015 - room 2BC60 -14:15 - Baskar Balasubramanyam

** Special values of L-functions and congruences of modular forms **

## Wednesday July 1, 2015- room 2AB40 - 10:30 - Konstantin Ardakov (Oxford)

** $\hat{ \cal D}$-modules on rigid analytic spaces **

## Wednesday June 24, 2015- room 2AB40 - 14:30 - Elisa Postinghel (Leuven)

** Positivity of divisors on blown-up projective spaces **

## Wednesday June 24, 2015- room 2AB40 - 15:30 -Eric Katz (Waterloo, Canada)

** Uniform bounds on rational points on curves of low Mordell-Weil rank **

## June 23, 26, 2015 - room 2BC60 - Eric Katz (Waterloo)

** Minicourse: Introduction to Tropical Geometry **

## Thursday June 4, 2015- room 2AB40 - 14:15 - Chris Lazda (Imperial College HIMR)

** Rigid cohomology over Laurent series fields **

## Friday May 29, 2015- room 2BC30 - 14:30 - Carlo Martinucci (Padova)

** Polytope algebra, tropical algebra and toric cycles **

## Thursday May 21, 2015- room 1BC50 - 14:00 - Thomas Bitoun (Moscow , National Research University)

** On the theory of b-function in positive characteristic **

## Tuesday April 28, 2015- room SRVII - 12:00 - Alessandro Chiodo (Parigi - Jussieu)

** Modelli di Néron di gruppi Picard via gruppi di Picard **

## Friday April 17, 2015- room 1C150 - 10:30 - Adrian Iovita

## Thursday, April 2, 2015- room 1AD100 - 14:30 -Zhengyu Mao (Rutgers Univ. Newark)

** Fourier coefficients of cusp forms **

## Monday, March 9 2015- room 1BC45 - 14:30 - Federico Bambozzi (Regensburg)

** Dagger geometry as Banach algebraic geometry **

## Thursday, March 12, 2015, - room 1BC45 - 14:30 - Lucia Di Vizio (CNRS)

** Geometria dei gruppi alle differenze e teoria di Galois parametrica
delle equazioni differenziali**

## Thursday, March 12, 2015, - room 1BC45 - 15:30 - Michele Bolognesi (Rennes)

**Pfaffian Cubic Fourfolds and non-trivial Brauer Classes**

## February 2014, - room 2BC30

February 10, 10:00-12:00, February 12, 9:00-11:00, February 13, 9:00-11:00, February 16, 11:00-13:00,

February 17, 11:00-13:00, February 18, 9:00-11:00, February 19, 14:00-16:00, February 23, 14:00-16:00,

February 24, 14:00-16:00, February 26, 9:00-11:00. - Benjamin Schraen, Stefano Morra

** Topics on p-adic Langlands (Corso Dottorato) **

## Tuesday, October 7, 2014, - room 2BC/30 - 14:30 - Enrica Floris (Imperial College London)

**Invarianza dei plurigeneri per foliazioni su superfici**

## Tuesday, September 23, 2014, - room 2AB/45 - 14:30 - Frank Neumann (University of Leicester)

**Weil Conjectures and Moduli of Vector Bundles**

## Thursday, July 10, 2014, - room 2AB45 - 14:30-16:00 - Fabio Saggin (Master student, Padova)

**Cohomology theories and formal groups**

## Friday, July 4, 2014, - room 2BC60 - 10:45 - Adebisi Agboola (Santa Barbara)

**On special values of p-adic L-functions**

## Thursday, May 29, 2014, - room 2BC60 - 12:00 - Christopher Lazda (Imperial College)

**A homotopy exact sequence and unipotent fundamental groups over function fields**

## Thursday, May 22, 2014, - room 1BC50 - 14:30 - Sarah Zerbes (University College London)

**Euler systems and the conjecture of Birch and Swinnerton-Dyer**

## Thursday, May 29, 2014, - room 1BC50 - 14:00 - Sofia Tirabassi (Utah)

**Varieties with $\chi$ equal to 1**

## Wednesday February 19, 2014, - room 1BC45 - 16:00 - Vladimir Matveev

**Nonintegrability of the Zipoy-Vorhees metric**

## Thursday January 9, 2014, - room 2BC30 - 14:30-15:30 - Thomas Hudson (Daejeon, Corea)

**Schubert classes in the algebraic cobordism of generalized flag bundles**

## Friday December 20, 2013, - room 1BC45 - 11:30-12:30 - Tommaso Centeleghe (Heidelberg)

**Sullo spezzamento dei primi nei campi di torsione di curve ellittiche**

## Thursday December 5, 2013, - room 2BC30 - 14:30-15:30 - David Schmitz (Marburg)

**Big cone decompositions and volume of chambers**

## November 7, 2013, - room 2BC30 - 11:00-12:00 - Atsushi Shiho (Tokyo)

**On the differential Artin conductor of overconvergent isocrystals**

## November 14, 2013, - room 2BC30 - 9:30-11:00 - Andrea D'Agnolo (Padova)

**Riemann-Hilbert correspondence for holonomic D-modules**

## Thursday November 14, 2013, - room 2BC30 - 14:30-15:30 - Stefano Urbinati (Padova)

**Positivity for normal varieties**

## Thursday October 24, room SRVII - 14:00- 15:30 - Niko Naumann (Regensburg)

**Introduction to perfectoid spaces**

## Friday October 18, 2013, - room 2BC30 - 15:30-16:30 - Pierre Colmez (CNRS)

**The Montreal functor and its inverse**

## Wednesday October 16, 2013, - room 2BC30 - 15:30-16:30 - Pierre Colmez (CNRS)

**Locally analytic representations of GL_2 and (φ,Γ)-modules**

## Thursday October 10, 2013, - room SRVII - 14:30-15:30, - Giovanni Moreno (Opava, Cechia)

**Su alcune questioni di geometria algebrica "nascoste" nella teoria geometrica delle PDE non lineari**

## October 2013, - room 2BC30

Wednesday 2, Friday 4, Wednesday 9, Friday 11 - 14:30-16:30 room 2BC30

Wednesday 16, and Friday 18 - room 2BC30 - 14:30-15:30

Wednesday 23, room 2BC30 - 13:30-15:00

Friday 25, room 2BC30 - 14:30-15:30

(Wednesday 30, room 2BC30-14:30-16:30 TBC) - Niko Naumann (Regensburg)

**Perfectoid spaces and their applications (Corso Dottorato)**

## Thursday, June 27, 2013 - room 2AB40 - 11:30 - Giuseppe Ancona (Paris 13)

**Algebraic cycles of abelian schemes**

## Friday, June 28, 2013 - room 1AD100 - 11:30 - Sophie Marques (Padova-Bordeaux)

**Tameness for actions of affine group schemes and quotient stacks**

## Monday, June 3, 2013 - room 2BC30 - 11:30 - Stefano Morra (Toronto)

**The action of compact subgroups on some p-modular automorphic representations of GL_2(Q_p)**

## Thursday, May 23, May 30, June 6, 2013, - room 2AB45 - 9:00-12:00,

Friday, June 7, 2013, -room 2BC30 - 11:00-14:00 - Aaron Silberstein (Harvard)

**Introduction to birational anabelian geometry (Corso Dottorato)**

## Friday, May 31, 2013 - room SRVII - 14:00 - Shinichi Kobayashi (Tohoku)

**The p-adic height pairing on abelian varieties at non-ordinary primes**

## Friday, May 31, 2013 - room SRVII- 11:00 - Wieslawa Niziol (Utah)

**Syntomic cohomology and regulators**

## Friday,May 31, 2013 - room SRVII - 9:30 - Pierre Colmez (CNRS)

**Representations analytiques et (phi,Gamma)-modules**

## Friday, May 24, 2013 - room 2AB45 - 14:30 - Vincent Pilloni (ENS Lyon)

**p-Adic Weil II and classicity of overconvergent modular forms**

## Wednesday, May 22, 2013 - room SRVII - 14:30

Friday, May 24, 2013 - room SRVII - 10:00 - Jean-Baptiste Teyssier (Ecole Polytechnique)

**An analogue for meromorphic connections of Abbes-Saito construction**

## Thursday, May 9, 2013 - room 1BC45 – 10:45 - Carlos de Vera (UPC Barcelona)

**Shimura curves: moduli interpretation and rational points**

## Friday, March 15, 2013- room 2AB40- 10:30

Friday, March 22, 2013 - room 2AB40 - 13:45

Friday, April 5, 2013- room SRVII- 11:30 - room 2AB45- 14:00 - R. Scheider (Regensburg)

**The de Rham realization of the Polylogarithm**

## Seminar Postponed - - Marco Boggi (Universidad de los Andes - Bogotà)

**Profinite Teichmüller theory and arithmetic of curves over number fields**

## Thursday, November 22, 2012- room SR VII- 14:00 - Gloria Della Noce (Pavia)

**On the Picard number of singular Fano Varieties**

## Wednesday, June 6, 2012 - room 1C/150 - 14:30 - Hou-Yi Chen (Taiwan)

**Reconstruction of a variety from $O[[h]]$-modules.**

## Tuesday, June 5, 2012- room 1BC/45 - 11:00 - Florian Pop (Philadelphia)

**The Oort Conjecture on Lifting Covers of Curves**

## Tuesday, May 29, 2012 - Cancelled, new date TBA - Vincent Pilloni (ENS Lyon)

**Classicity of certain weight 1 p-adic modular forms and applications**

## Friday, May 25, 2012- room SRVII - 10:30 - Benoît Stroh (Paris 13)

**Overconvergence and classicity for Hilbert modular forms**

## Tuesday, May 22, 2012 - room SRVII - 11:00 - Hershy Kisilevsky (Concordia University, Montreal)

**Mordell-Weil groups of elliptic curves under field extension**

## Friday, May 11, 2012- room 2BC/30 - 11:30 - Luca Migliorini (Bologna)

**Ngo's support theorem**

## Tuesday, May 8, 2012 - room 1BC/45 - 11:00 - George Shabat (Moscow State University)

**Dessin d'enfants and algebraic geometry**

## Wednesday, May 2, 2012 - room 2AB/45 - 16:30 - Gianluca Pacienza (Strasbourg)

**Un versione logaritmica del "bend-and-break lemma" di Miyaoka-Mori**

## Tuesday,March 6, 2012- room SRVII- 10:30 - Valeria Marcucci (Pavia)

**On a conjecture of Naranjo and Pirola**

## Thursday, February 16, 2012- room 2AB/45 - 14:00 - Ernesto Mistretta (Padova)

**Stabilita' di Span Duali e Indice di Clifford**

## Thursday, February 9, 2012 - room 2AB/45 - 14:30 - Chiara Camere (Hannover)

**La stabilità del fibrato tangente di P^r ristretto ad una curva o ad una superficie**

## Thursday, February 2, 2012 - room 1BC/50 - 14:30 Matteo Longo (Padova)

**Quaternionic Darmon points and arithmetic applications**

## Thursday, January 26, 2012 - room - 14:30 - Mario Edmundo (Lisbon)

**Grothendieck's six operations on o-minimal sheaves (Joint work with L. Prelli)**

## Tuesday, January 17, 2012 - room 2AB/40 - 10:00 - Thomas Hudson

**Un'estensione dei polinomi di Schubert alla $K$-teoria connessa mediante il cobordismo algebrico**

## Thursday, January 12, 2012 - room 2AB/45 - 14:30 - Sofia Tirabassi (Roma III)

**Effettive Iitaka fibrations of irregular varieties**

## Thursday, December 15, 2011 - room 2AB/45 - 14:30 - Marco Boggi (Universidad de los Andes, Bogotà)

**Galois coverings of moduli spaces of curves and loci of curves with symmetry**

## Rimandato - room TBA - 10:15 - Matteo Longo (Padova)

**Quaternionic Darmon points and arithmetic applications**

## Thursday, December 1, 2011- room 2BC/60- 11:30 - Alessia Mandini (Instituto Superior Tècnico, Lisbon University)

**Hyperpolygons and Moduli Spaces of Parabolic Higgs Bundles**

## Thursday, October 13, 2011 - room 1BC/45 - 14:00 - Jilong Tong (Bordeaux)

**On torsors under elliptic curves**

## Thursday, October 6, 2011 - room 1BC/45 - 11:30 Monday, October 10, 2011 - room 1BC/45 - 10:00 - T. Abe (Tokyo)

**Nearby cycles and vanishing cycles**

## Wednesday, September 28, 2011 - room 2AB/40 - 15:00 - Francesco Baldassarri (Padova)

**Finite morphisms of p-adic curves and radii of convergence of connections**

## Thursday, September 22, 2011 - room 2AB/45 - 14:00 - Adriano Marmora (Univ. Strasburgo)

**Product formula for $p$-adic epsilon factors**

## Wednesday, September 21, 2011 - room 1BC/50 - 10:30 - Vadim Vologodsky (Univ. of Oregon)

**On the center of the ring of differential operators on a smooth variety over $Z/p^nZ$**

## Tuesday, June 28, 2011 - room 2BC/60 - 15:00 - Giovanni Cerulli Irelli (Bonn)

## Thursday, May 26, 2011 - room 1A/150 - 11:30 - Francois Brunault (Lyon)

**Explicit p-adic regulators for K_2 of elliptic curves**

## Thursday, May 19, 2011 - room 2BC/60 - 14:00 - Cinzia Casagrande (Torino)

**Sul numero di Picard dei divisori di una varietà di Fano**

## Wednesday, May 4, 2011 - room 1BC/45 - 11:00 - Jorge Mozo Fernandez (Valladolid)

**Results on analytic classification of germs of holomorphic foliations**

## Thursday, April 28, 2011 - room 1A/150 - 11:30 - Francesco Bottacin

**Sulla corrispondenza di Simpson**

## Wednesday, April 20, 2011 - room 2BC/60 - 15:00 - Shanwen Wang (EPFL)

**Kato's Euler system and p-adic L function of modular form**

## Tuesday, April 19, 2011 - room 2AB/45 - 16:15

Wednesday, April 20, 2011 - room 2BC/60 - 14:00 - Daniele Faenzi (Pau)

**Configurazioni di iperpiani e fibrati logaritmici**

## Friday, April 15, 2011 - room 2AB/45 - 14:30 - Denis Benois (Bordeaux)

**Trivial zeros of modular forms at near critical points**

## Thursday, April 14, 2011 - room 2AB/45 - 12:00 - Simone Diverio (Institut de Mathématiques de Jussieu - UPMC, Paris)

**Positività e iperbolicità secondo Kobayashi delle varietà complesse proiettive**

## Tuesday, April 5, 2011 - room 1BC/45 - 11:30 - Minhyong Kim (University College, London)

**Siegel's theorem for P^1-{three points}**

## Wednesday, March 30, 2011 -room 2AB/45 - 12:00 - Matteo Penegini (Bayreuth Universitaet, Germany)

**Nuove superfici di Beauville e gruppi finiti**

## Thursday, March 24, 2011 - room 1BC/50 - 11:00 - Orsola Tommasi (Hannover)

**La coomologia dello spazio di moduli delle varieta' abeliane di dimensione 4**

## Thursday, March 16, 2011 - SR 7th floor B - 14:00 - Masaaki Yoshida (Kyushu University)

**Hyperbolic Schwarz maps**

## Thursday, March 10, 2011 - room 2AB/40 - 15:00

Friday, March 11, 2011 - room 2AB/40 - 15:00

Wednesday, March 16, 2011 - SR 7th floor B - 14:00

Wednesday, April 6, 2011 - room 2BC/60 - 13:35

Thursday, April 7, 2011 - SR 7th floor B - 11:00 - Lorenzo Ramero (Lille)

**Almost purezza e teoria p-adica di Hodge**

## Thursday, March 3, 2011 - room 2BC/60 - 14:00 - Marc-Hubert Nicole (Marseille)

**Conjectures de troncature de Traverso et raffinements de la stratification de Newton**

## Monday, January 31, 2011 - room 1BC/50 - 16:00 - Nicola Mazzari

**On the rigid and the de Rham cycle classes**

## Friday, January 28, 2011 - SR 7th floor B - 10:00 - Linsheng YIN (Tsinghua University, Pechino)

## Monday, January 17, 2011 - room 2BC/50 - 14:00

Wednesday, January 19, 2011 - room 1BC/50 - 14:00 - G. Vezzosi (Firenze)

## Thursday, January 13, 2011 - room 1BC/50 - 14:30 - Teresa Monteiro Fernandes (Universidade de Lisboa)

**Grauert's theorem for open subanalytic sets in the real domain**

## Monday, December 20, 2010 - room 2AB/40 - 14:30 - Olivier Brinon (Paris 13)

## Thursday, December 16, 2010 - room 1BC/50 - 14:30 - Thomas Ludsteck

**Unipotent Schottky bundles on curves and abelian varieties**

## Friday, December 9 - room 1BC/50 - 15:00

Thursday, December 10 - room 1BC/50 - 15:00

Monday, December 13 - room 1BC/50 - 15:00

Wednesday, December 15 - room 1BC/50 - 15:00 - Yves Andr? (ENS, Paris)

## T.B.A. - Yves Andr? (ENS, Paris)

**New viewpoints on Euclidean lattices (categorical, group-theoretic, and valuative aspects**

## Friday, November 26, 2010 - room 1A/150 - 15:30 - Gergely Zabradi (Budapest)

**Exactness of the reduction on etale modules**

## Friday, November 19 - room 1BC/50 - 14:30

Monday, November 22 - room 1BC/50 - 14:30

Friday, November 26 - room 1A/150 - 14:00 - Gerard Freixas (Jussieu, Paris)

**Generalized holomorphic analytic torsion**

## Friday, November 12, 2010 - room 2AB/40 - 15:30 - Matteo Penegini (Bayreuth)

**On surfaces with $p_g=q=2$ , $K^2=5$ and Albanese map of degree $3$ **

## Thursday, November 4, 2010 - room 2AB/45 -14:30 - Matteo Longo (Padova)

**Punti di Heegner ed aritmetica delle famiglie di Hida**

## Thursday, October 28, 2010 - room 2AB/45 - 14:30 - Ernesto C. Mistretta (Padova)

## Thursday, October 21, 2010 - room 2AB/45 - 14:00 - Lidia Stoppino (Università dell'Insubria)

**Stability conditions and inequalities for surfaces**

## Friday, October 15, 2010 - room 2BC/60 - 14:30 - Laura Desideri (Tubinga)

**The Plateau problem, Fuchsian systems and the Riemann-Hilbert problem**

Page maintained by A. Bertapelle, M. Longo