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Videos of the seminars of the Algebraic Geometry and Differential Topology research division

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An Unexpected Rational Blowdown

Beke Márton
1 week, 5 days ago

Equivariant sliceness and the extension of involutions on lens spaces to rational homology balls

Merz Alice
2 weeks, 5 days ago
01:13:00

Equivariant grid homology for strongly invertible knots

Giovanni Framba
on 7/11/25
00:55:00

Taut foliations from knot diagrams

Diego Santoro
on 5/30/25
01:09:00

Bergman spaces on algebraic curves

Koltai A. László
on 5/23/25
01:05:00

Cohomology of oriented Grassmannians

Matszangosz Ákos
on 4/25/25
01:00:00

Hypersurfaces with given singularities using Thom polynomials

Fehér László
on 4/4/25
01:13:00

Multifold degeneracy points of quantum systems and singularities of matrix varieties

Pintér Gergő
on 3/28/25
01:07:00

Cornering and Substitution Formulae in the McKay Correspondence

Lukas Bertsch
on 3/21/25
01:05:00

The Decomposition Theorem and moduli spaces of vector bundles

Szenes András
on 2/28/25
01:10:00

Smoothing codimension two submanifolds

Mark Powell
on 2/18/25
01:01:00

Positive Solutions to Polynomial Systems via Tropical Geometry

Telek Máté
on 12/6/24
01:10:00

The arc-Floer conjecture for plane curve singularities

Javier de la Bodega
on 11/22/24
01:05:00

Moduli spaces of filtered G-local systems on curves

Pengfei Huang
on 11/15/24
01:17:00

Vanishing cycles for symplectic foliations

Fabio Gironella
on 11/8/24
00:57:00

New exotic four-manifolds with Z/2Z fundamental group

Beke Márton
on 10/18/24
01:07:00

The Giroux correspondence via convex surfaces

Vértesi Vera
on 10/11/24
00:47:00

A new construction of slice surfaces in 4-manifolds

Clayton McDonald
on 10/4/24
01:07:00

Geometric P=W conjecture in rank three case, on the three-punctured sphere

Eper Miklós
on 9/27/24
01:13:00

Moduli Theory and Singularities

Kovács Sándor
on 6/28/24
01:02:00

Good real pictures of complex maps

Roberto Giménez Conejero
on 5/24/24
01:16:00

Equivariant contact equivalence applied in condensed matter physics

Pintér Gergő
on 5/17/24
01:10:00

Exotic four-manifolds with cyclic fundamental group

Stipsicz András
on 5/10/24
00:48:00

Negative Contact Surgery on Legendrian Non-simple Knot

Shunyu Wan
on 4/27/24
01:00:00

Topology of affine bow varieties and Zastavas

Gyenge Ádám
on 4/19/24
01:03:00

Ideal-Theoretic Study of Critical Points

Alex Hof
on 4/5/24
01:14:00

Floer-theoretic Filtration of Painlevé Hitchin Spaces

Filip Zivanovic, Szilárd Szabó
on 3/22/24
00:45:00

Nonsmooth manifold decompositions

Eva Horvat
on 3/8/24
01:04:00

Splitting Links by Integer Homology Spheres

Marco Marengon
on 3/1/24
01:08:00

Plücker formulas using equivariant cohomology of coincident root strata

Juhász András
on 2/23/24
01:04:00

Line arrangements with triple points

Marco Golla
on 2/16/24
01:03:00

On Coincidences of Certain Thom Polynomials

Csépai András
on 12/8/23
01:06:00

Global Singularity Theoretic Results on Projected Immersions

Csépai András
on 12/1/23
01:08:00

Four-manifolds with Involutions

Stipsicz András
on 11/24/23
01:03:00

Shifted Partial Quadratics, their Pushforwards, and Signature Invariants for Tangles

Dror Bar-Natan
on 11/17/23
00:54:00

Signatures of Links (and How to Compute them)

Jessica Liu
on 11/10/23
01:08:00

Knots, Graphs and Lattices

Dancsó Zsuzsanna
on 10/27/23
01:06:00

Level Structures on Logarithmic (and Tropical) Curves

Mattia Talpo
on 10/20/23
01:00:00

On the Nonpositivity of the Lattice Cohomology of Plane Curve Singularities

Kubasch Alexander Arnd
on 10/13/23
01:03:00

Signatures of aspherical 4-manifolds

Marco Golla
on 10/6/23
01:06:00

Surface slices and homology spheres

Clayton McDonald
on 6/9/23
00:55:00

Morse-Bott functions on classical groups and a framed flow category

Ferit Öztürk
on 5/26/23
00:49:00

4-genus bounds from the 10/8+4 theorem

Gordana Matic
on 5/12/23
00:46:00

Construction of non-loose knots via cabling

Rima Chatterjee
on 5/5/23
00:43:00

Signature of Milnor fibers and map germs

Roberto Giménez Conejero and Gergő Pintér
on 4/28/23
01:01:00

Alexander polynomials and symplectic curves in CP^2

Marco Golla
on 4/14/23
01:07:00

Lifting chain complexes to spaces

Michael Willis
on 3/17/23
01:03:00

Khovanov and sl(N)-homology for periodic links

Maciej Borodzik
on 2/24/23
01:19:00

The smooth A'Campo Space and its symplectic structure I.

Javier Fernández de Bobadilla
on 2/10/23
01:07:00

Bypass exact triangles and three-manifold invariants

Thomas Hockenhull
on 12/16/22
01:03:00

The (2,1)-cable of the figure-eight knot is not smoothly slice

JungHwan Park
on 12/9/22
00:57:00

One stabilization is not enough for contractible 4-manifolds

Sungkyung Kang
on 12/2/22
01:05:00

Blow-ups and the quantum spectrum of surfaces

Gyenge Ádám
on 11/25/22
00:59:00

Blowing up and down with knot traces

Kai Nakamura
on 11/18/22
01:03:00

Cross-caps, triple points and a linking invariant for finitely determined germs

Pintér Gergő and Sándor András
on 11/4/22
01:11:00

Unknotting number 21 knots are slice in K3

Marco Marengon and Stefan Mihajlović
on 10/28/22
01:08:00

Asymptotic Hodge theory and Donaldson–Thomas theory

Szabó Szilárd
on 10/21/22
01:26:00

Ubiquity of systems of homogeneous polynomial equations with a unique solution

Hausel Tamás
on 10/7/22
00:56:00

Instanton Floer homology of almost-rational plumbings

Antonio Alfieri
on 6/17/22
02:57:00

Symplectic Monodromy at radius 0 and equimultiplicity of families of hypersurfaces with constant Milnor number

Javier Fernández de Bobadilla and Tomasz Pelka
on 6/10/22
01:23:00

Zariski’s Conjecture

Némethi András
on 6/3/22
01:15:00

Counting maps with prescribed incidence conditions

Farkas Gábor
on 5/27/22
01:09:00

Generalizations of lattice cohomology

Ágoston Tamás
on 5/20/22
01:10:00

Alexander invariants, resonance and Chen ranks

Farkas Gábor
on 5/13/22
00:50:00

New families of rational homology 3-spheres bounding rationally acyclic 4-manifolds

Lisa Lokteva
on 5/6/22
01:10:00

Skein-triangulated representations of generalised braids

Timothy Logvinenko
on 4/29/22
01:10:00

On Heegaard Floer and fix point Floer homologies for fibered knots

Gilberto Spano
on 4/22/22
00:57:00

New results in classical enumerative geometry and equivariant cohomology of coincident root strata

Fehér László
on 4/8/22
01:04:00

Degeneracy points of quantum systems - from a singularity theoretical approach

Pintér Gergő
on 4/1/22
00:53:00

A light bulb theorem for disks

Danica Kosanović
on 3/25/22
01:02:00

Properties and applications of involutive Heegaard Floer homology

Jennifer Hom
on 3/18/22
01:01:00

Überhomology of simplicial complexes

Daniele Celoria
on 3/11/22
01:07:00

Feats and mysteries of holomorphic map germs

Roberto Giménez Conejero
on 3/4/22
01:09:00

The link surgery formula and plumbed 3-manifolds

Ian Zemke
on 2/25/22
01:03:00

Upsilon invariant for graphs and homology cobordism group of homology cylinders

Akram Alishahi
on 2/18/22
00:56:00

Signature, cusp geometry and ML

Juhász András
on 12/17/21
01:02:00

Lattice cohomology 2

Némethi András
on 12/10/21
01:16:00

Lattice cohomology I

Némethi András
on 12/3/21
01:05:00

Analogues of the Atiyah-Wall exact sequences for cobordism groups of singular maps

Csépai András
on 11/26/21
01:10:00

Towards an equivariant Bézout's theorem

Hudson Thomas
on 11/12/21
01:02:00

On Exotic 4-manifolds

Andras Stipsicz
on 11/5/21
01:17:00

The many facets of Higgs bundles

Logares Marina
on 10/22/21

Relative genus bounds in indefinite 4-manifolds

Marco Marengon
on 10/8/21
01:18:00

Link Floer spectrum via grid diagrams

Sarkar Sucharit
on 9/30/21
00:56:00

On slice-torus invariants and positivity conditions

Collari Carlo
on 5/28/21
01:05:00

Knot concordance and exotica

Lisa Piccirillo
on 5/7/21
01:08:00

Infinitely many Lagrangian fillings

Ng Lenhard
on 4/23/21
01:08:00

Symmetric knots and Floer homologies

Antonio Alfieri
on 4/16/21
01:07:00

The Heisenberg category of a category

Gyenge Adam
on 4/9/21
01:07:00

Lefschetz fibrations and symplectic geography

Baykur Inanc
on 3/19/21
01:10:00

Asymptotic analysis of non-abelian Hodge theory in rank 2

Szabó Szilárd
on 3/5/21
00:53:00

L-space links and link Floer homology

Alberto Cavallo
on 2/19/21
01:09:00

Hilbert schemes of points on surfaces and threefolds: combinatorics, geometry and representation theory

Szendrői Balázs
on 2/12/21
01:19:00

Spinal open books and symplectic fillings of contact 3-manifolds

Chris Wendl
on 12/4/20
01:08:00

Motivic Chern classes of Coincident Root Loci

Andras Juhasz
on 11/27/20
01:05:00

Legendrian cables

John Etnyre
on 11/20/20
01:10:00

Symplectic and complex geometric aspects of the 3-manifold embedding problem in 4-space

Tosun Bulent
on 11/13/20
01:02:00

Reflexive modules on normal Gorenstein Stein surfaces

de Bobadilla Javier
on 11/6/20
01:02:00

Green's conjecture via Koszul modules

Farkas Gabor
on 10/30/20
00:54:00

Legendrian realizations of double twist knots

Foldvari Viktoria
on 10/16/20
01:07:00

The cosmetic surgery conjecture for pretzel knots

Stipsicz Andras
on 10/9/20
01:11:00

Topology of smoothings of non-isolated singularities of complex surfaces

Curmi Octave
on 10/2/20