Zoom Algebraic Geometry Seminar

Organizers: Florin, Ingrid, Robert, Caucher, Jeremy, Javier, Ivan, Jungkai, Meng, Giulio, Omprokash, Alicia, Charles, Adrien, Gabi, Yoshinori, Antonella, Elizabeth, Ludmil, Sandor, Alvaro, Ernesto, Frederic, Jesus, Sione, Anton, Margarida, Johannes, Yuji, Jared, John, Rita, Jihun, Zsolt, Yuri, Julius, Giulia, Cecilia, Cristiano, Lenny, Behrouz, Sofia, Nikolaos, Jaroslaw, Chenyang, De-Qi.

Hosts: Jeremy, Ivan, Jungkai, Yoshinori, Alvaro, Ernesto, Jesus, Yuji, Zsolt, Julius, Cristiano, Chenyang.

Dates: Tuesdays and Thursdays.

Time: flexible in GMT, which is also UTC.

Time Zones: Honolulu (GMT-10), Seattle (GMT-7), Salt Lake City (GMT-6), Mexico City (GMT-5), Chicago (GMT-5), Santiago (GMT-3), New York (GMT-4), Rio de Janeiro (GMT-3), Buenos Aires (GMT-3), Lisbon (GMT+1), London (GMT+1), Paris (GMT+2), Berlin (GMT+2), Rome (GMT+2), Bucharest (GMT+3), Nicosia (GMT+3), Moscow (GMT+3), Nairobi (GMT+3), New Delhi (GMT+5:30), Shanghai (GMT+8), Taipei (GMT+8), Singapore (GMT+8), Seoul (GMT+9), Tokyo (GMT+9), Sydney (GMT+10), Auckland (GMT+12).

Warnings: The following timezone changes will come into place:

From 27 September 2020: Auckland (GMT+13)
From 4 October 2020: Sydney (GMT+11)
From 25 October 2020: Mexico City (GMT-6), Lisbon (GMT), London (GMT), Paris (GMT+1), Berlin (GMT+1), Rome (GMT+1), Bucharest (GMT+2), Nicosia (GMT+2)
From 1 November 2020: Seattle (GMT-8), Salt Lake City (GMT-7), Mexico City (GMT-5), Chicago (GMT-6), New York (GMT-5)

Zoom Meeting ID: 991 849 3831.

Passwords: sent to participants by email every Friday via the mailing list.

Miscellaneous: video recordings or slides and Google calendar or, for non-Google calendar systems, you can subscribe to the following iCal feed to receive continued updates.

Contact: ZAGseminar@gmail.com.

Sponsors: NCTS.

Mailing List: to be subscribed, please fill all fields in

National Center for Theoretical Sciences

Date	Time in GMT	Host	Speaker	Title and Zoom Link
3 November 2020	17:00	Elizabeth	Bianca Viray	TBA
5 November 2020	13:00	Jesus	Cristiano Spotti	Geometric aspects of Kaehler-Einstein metrics on klt pairs
10 November 2020	15:00	Ivan	Aleksandr Pukhlikov	Rationally connected rational double covers of primitive Fano varieties
12 November 2020	16:00	Ivan	Juergen Hausen	Automorphisms of k^-surfaces*
17 November 2020	15:00	Antonella	Michela Artebani	TBA
19 November 2020	10:00	Sione	Yukari Ito	TBA
24 November 2020	10:00	Sione	Kazushi Ueda	TBA
26 November 2020	13:00	Jesus	Yuji Odaka	TBA
1 December 2020	10:00	Sione	Takuzo Okada	TBA
3 December 2020	13:00	Jesus	Hulya Arguz	TBA
8 December 2020	11:00	Charles	Keiji Oguiso	TBA
10 December 2020	15:00		Artan Sheshmani	DT invariants from Gerstenhaber-BV structures, and degeneration technique
15 December 2020	11:00	Omprokash	Sho Tanimoto	TBA
17 December 2020	16:00	Charles	Andrew Harder	TBA
22 December 2020	15:00	Jesus	Han-Bom Moon	TBA
24 December 2020	10:00	Sione	Hokuto Uehara	TBA
29 December 2020	15:00		Jingjun Han	TBA
31 December 2020	13:00	Ivan	Ivan Cheltsov	TBA
5 January 2021	15:00	Charles	Shing-Tung Yau	TBA
7 January 2021	10:00	Behrouz	Hiromichi Takagi	TBA
12 January 2021	18:00	Jesus	Patricio Gallardo	TBA
14 January 2021	10:00	Behrouz	Hiromu Tanaka	TBA
19 January 2021	9:00	Sione	Shihoko Ishii	TBA
21 January 2021	10:00	Behrouz	Osamu Fujino	TBA
26 January 2021	14:00	Jesus	Frances Kirwan	TBA
28 January 2021	14:00	Ivan	Fabrizio Catanese	Nodal hypersurfaces, Coding theory, and cubic discriminants
2 February 2021	15:00	Charles	Simon Donaldson	TBA
4 February 2021	11:00	Jihun	Shinnosuke Okawa	TBA
9 February 2021	11:00	Jesus	Enrica Floris	TBA
11 February 2021	17:00	Giulia	Tommaso de Fernex	TBA
16 February 2021	11:00	Jihun	Yusuke Nakamura	TBA
18 February 2021	14:00	Giulia	Frediani Paola	TBA
23 February 2021	10:00	Behrouz	Taku Suzuki	TBA
25 February 2021	10:00	Behrouz	Atsushi Ito	TBA
2 March 2021	15:00	Alicia	Fernando Cukierman	TBA
4 March 2021	10:00	Behrouz	Kiwamu Watanabe	TBA
9 March 2021	11:00	Jihun	Shunsuke Takagi	TBA
11 March 2021	15:00	Ivan	Carolina Araujo	TBA
16 March 2021	10:00	Behrouz	Taro Sano	TBA
18 March 2021	15:00		Chris Lazda	TBA
23 March 2021	10:00	Behrouz	John Lesieutre	TBA
25 March 2021	15:00	Antonella	Giulia Sacca	TBA
30 March 2021	10:00	Behrouz	Katsuhisa Furukawa	TBA
1 April 2021	15:00	Ivan	Slava Shokurov	TBA
6 April 2021	10:00	Behrouz	Takehiko Yasuda	TBA
8 April 2021	13:00		Adrian Langer	TBA
13 April 2021	17:00	Elizabeth	Karl Schwede	TBA
15 April 2021	10:00	Behrouz	Yasunari Nagai	TBA
20 April 2021	17:00	Nikolaos	Jakub Witaszek	TBA
22 April 2021	17:00	Zsolt	Sandor Kovacs	TBA
27 April 2021	15:00	Ivan	Yuri Tschinkel	TBA
29 April 2021	12:00		Ana Margarida Melo	TBA
4 May 2021	14:00		Maria Pe Pereira	TBA
6 May 2021	14:00		Mara Ungureanu	TBA
11 May 2021	13:00	Omprokash	Stefan Kebekus	TBA
13 May 2021	17:00	Nikolaos	Roya Beheshti Zavareh	TBA
18 May 2021	15:00	John	Jorgen Rennemo	TBA
20 May 2021	15:00	Ivan	Marta Pieropan	TBA
25 May 2021	15:00	Charles	Brendan Hassett	TBA
27 May 2021	15:00	Giulia	Anthony Varilly-Alvarado	TBA
1 June 2021	11:00	Ivan	Livia Campo	TBA
3 June 2021	12:00	Ivan	Enrico Fatighenti	TBA
8 June 2021	16:00	Ivan	Sean Keel	TBA
10 June 2021	16:00	John	Fumiaki Suzuki	TBA
15 June 2021	11:00	Ivan	Eveline Legendre	TBA
17 June 2021	16:00	Nikolaos	Paolo Cascini	TBA

Date	Speaker	Title and Video/Slides Link
26 March 2020	Costya Shramov	Automorphisms of elliptic surfaces
31 March 2020	Piotr Pokora	Conic-line arrangements in the complex projective plane
14 April 2020	Chenyang Xu	K-moduli of Fano varieties
21 April 2020	Gregory Sankaran	Blowups with log canonical singularities
23 April 2020	Yoshinori Gongyo	On a generalized Batyrev's cone conjecture
28 April 2020	Christopher Hacon	Recent progress in the MMP for 3-folds and 4-folds in char p>0
30 April 2020	Arnaud Beauville	Vector bundles on Fano threefolds and K3 surfaces
5 May 2020	Chen Jiang	Minimal log discrepancies of 3-dimensional non-canonical singularities
7 May 2020	Samuel Grushevsky	Geometry of moduli of cubic threefolds
12 May 2020	Kristin De Vleming	Wall crossing for K-moduli spaces of plane curves
14 May 2020	John Christian Ottem	Tropical degenerations and stable rationality
19 May 2020	Mircea Mustata	Minimal exponent and Hodge filtrations
21 May 2020	Xavier Roulleau	On the geometric models of K3 surfaces with finite automorphism group and Picard number larger than two
26 May 2020	Zsolt Patakfalvi	On the Beauville-Bogomolov decomposition in positive characteristic
28 May 2020	Alexandra Kuznetsova	Sextic double solids
2 June 2020	Stefan Schreieder	Equality in the Bogomolov-Miyaoka-Yau inequality in the non-general type case
2 June 2020	Johannes Nicaise	Stable rationality of complete intersections
4 June 2020	Caucher Birkar	Geometry of polarised varieties
9 June 2020	Yuri Prokhorov	General elephants for 3-fold extremal contractions
11 June 2020	Ilia Zharkov	Topological SYZ fibrations with discriminant in codimension 2
16 June 2020	Nikolaos Tziolas	Vector fields on canonically polarized surfaces
18 June 2020	Claire Voisin	Triangle varieties and surface decomposition of hyper-Kahler manifolds
23 June 2020	Alexander Polishchuk	Hyperelliptic limits of quadrics through canonical curves and the super-Schottky locus
25 June 2020	David Mumford	A moduli space in the differential geometry world
30 June 2020	Izzet Coskun	The stabilization of the cohomology of moduli spaces of sheaves on surfaces
2 July 2020	Susanna Zimmermann	Finite quotients of Cremona groups
7 July 2020	Ziquan Zhuang	K-stability of Fano varieties via admissible flags
9 July 2020	Harold Blum	On properness of K-moduli spaces and destabilizations of Fano varieties
14 July 2020	Helene Esnault	Density of arithmetic representations
16 July 2020	Matthias Schuett	Rational curves on Enriques surfaces, but only few
21 July 2020	Jihun Park	Cayley octads, plane quartic curves, Del Pezzo surfaces of degree 2 and double Veronese cones
23 July 2020	Ruadhai Dervan	Stability of fibrations
28 July 2020	Jean-Pierre Demailly	Hermitian-Yang-Mills approach to the conjecture of Griffiths on the positivity of ample vector bundles
30 July 2020	Ziwen Zhu	Equivariant K-stability under finite group action
4 August 2020	Hamid Ahmadinezhad	Birational geometry of Fano 3-fold hypersurfaces of higher index
6 August 2020	Marina Logares	Poisson and symplectic geometry of the moduli spaces of Higgs bundles
11 August 2020	Robert Lazarsfeld	Cayley-Bacharach theorems and multiplier ideals
13 August 2020	Yuchen Liu	On K-stability of cubic hypersurfaces
18 August 2020	Alessio Corti	Smoothing Gorenstein toric affine 3-folds
20 August 2020	Nicola Pagani	Classifying fine compactified universal Jacobians
25 August 2020	Christian Boehning	Rigid, not infinitesimally rigid surfaces of general type with ample canonical bundle
27 August 2020	Robert Berman	Kahler-Einstein metrics, Archimedean Zeta functions and phase transitions
1 September 2020	Zoom Algebraic Geometry Marathon
3 September 2020	Jarod Alper	Advances in moduli theory
8 September 2020	Andreas Hoering	Fano manifolds such that the tangent bundle is (not) big
10 September 2020	Joaquin Moraga	Topology and geometry of Kawamata log terminal singularities
15 September 2020	Julie Rana	Singularities and divisors in the moduli space of surfaces
17 September 2020	Christian Liedtke	Rational curves on K3 surfaces
22 September 2020	Jean-Louis Colliot-Thelene	Zero-cycles on del Pezzo surfaces
24 September 2020	Alan Thompson	Mirror symmetry for fibrations and degenerations
29 September 2020	Yuri Zarhin	Jordan properties of automorphism groups of algebraic varieties and complex manifolds
1 October 2020	Burt Totaro	The Hilbert scheme of points on affine space
6 October 2020	Junliang Shen	Cohomology of the moduli of Higgs bundles and the Hausel-Thaddeus conjecture
8 October 2020	Timothy Logvinenko	Skein-triangulated representations of generalised braids
13 October 2020	Ana-Maria Castravet	Blown-up toric surfaces with non-polyhedral effective cone
15 October 2020	Sandra Di Rocco	Algebraic Geometry of Data
20 October 2020	Gergely Berczi	Non-reductive group actions and hyperbolicity
22 October 2020	Alexander Borisov	Projective geometry approach to Jacobian Conjecture
27 October 2020	Daniel Greb	Projective flatness over klt spaces and uniformisation of varieties with nef anti-canonical divisor
29 October 2020	Junyan Cao	On the Ohsawa-Takegoshi extension theorem