Archive • FD Seminar

Archive

Talk no. 99 -

Finitistic dimensions of differential graded rings

Liran Shaul

Charles University, Prague, CZ
Talk no. 98 -

Relating properties of homological dimension two algebras

Daniel Kaplan

Hasselt University, BE
Talk no. 97 -

Mutating cluster-tilting objects in (d + 2)-angulated cluster categories

Nicholas Williams

The University of Tokyo, JP
Talk no. 96 -

Free products of semi-simple algebras via quivers

Charles Paquette

Royal Military College of Canada, Kingston, CA
Talk no. 95 -

Dominant Auslander regular algebras and minimal Auslander-Cohen-Macaulay algebras

Rene Marczinzik

Universität Stuttgart, DE
Talk no. 94 -

Wide subcategories obtained from cosilting pairs

Francesco Sentieri

Università degli Studi di Verona, IT
Talk no. 93 -

Dimension expanders via quiver representations

Markus Reineke

Ruhr-Universität Bochum, DE
Talk no. 92 -
Slides

Relative dominant dimension and quasi-hereditary covers

Tiago Cruz

Universität Stuttgart, DE
Talk no. 91 -

Geometric classification of totally stable stability spaces

Yu Qiu

Tsinghua University, Beijing, CN
Talk no. 90 -

Bridgeland stability conditions, spherical objects, and autoequivalences

Asilata Bapat

The Australian National University, AU
Talk no. 89 -
Slides

TF equivalence classes constructed from canonical decompositions

Sota Asai

Osaka University, JP
Talk no. 88 -

Persistence modules and amplitudes

Barbara Giunti

Graz University of Technology, AT
Talk no. 87 -
Slides

Rational homotopy type of the moduli space of stable rational curves

Vladimir Dotsenko

University of Strasbourg, FR
Talk no. 86 -

Dimer quivers on genus g surfaces and noncommutative desingularizations

Charlie Beil

University of Graz, AT
Talk no. 85 -

Left-right symmetry of the finitistic dimension

Charley Cummings

University of Bristol, UK
Talk no. 84 -
Slides Video

Classifying torsion classes of Noetherian algebras

Yuta Kimura

The University of Tokyo, JP
Talk no. 83 -

Algebraic K-Theory of Zig-Zag Persistence Modules

Anna Schenfisch

Montana State University, US
Talk no. 82 -
Slides

An explicit dg enhancement of singularity category

Zhengfang Wang

Universität Stuttgart, DE
Talk no. 81 -

The spectrum of a well-generated tensor triangulated category

Janina C. Letz

Universität Bielefeld, DE
Talk no. 80 -

Quantum vertex algebras and cohomological Hall algebras

Alexei Latyntsev

University of Oxford, UK
Talk no. 79 -
Slides

The definable subcategory induced by a large canonical module

Tsutomu Nakamura

The University of Tokyo, JP
Talk no. 78 -

Deformation theory for finite cluster complexes

Alfredo Nájera Chávez

Universidad Nacional Autónoma de México, UNAM (Oaxaca), MX
Talk no. 77 -

A derived Gabriel-Popescu theorem for t-structures

Francesco Genovese

Charles University, Prague, CZ
Talk no. 76 -
Slides Video

Bridgeland stability conditions with massless objects

Jon Woolf

University of Liverpool, UK
Talk no. 75 -
Slides

Weight structures and (geometric) representation theory

Catharina Stroppel

University of Bonn, DE
Talk no. 74 -

Local Normal Forms of Noncommutative Functions

Michael Wemyss

University of Glasgow, UK
Talk no. 73 -
Slides

From gentle to string algebras: a geometric model

Raquel Coelho Simões

Lancaster University, UK
Talk no. 72 -
Slides

Homotopy theory of finite total orders, trees and chicken feet

Constanze Roitzheim

University of Kent, UK
Talk no. 71 -
Slides

Dynamics in triangulated categories

Federico Barbacovi

University College London, UK
Talk no. 70 -
Slides

Thick Subcategories and Lattices

Sira Gratz

University of Glasgow, UK
Talk no. 69 -
Slides

Periodic actions on distributive lattices and counterparts in algebra

Emine Yıldırım

Isaac Newton Institute for Mathematical Sciences and University of Cambridge, UK
Talk no. 68 -
Slides

Symmetric subcategories and good tilting modules

Changchang Xi

Capital Normal University, CN
Talk no. 67 -

Sigma-critical quiver representations and applications to the Paulsen Problem in Frame Theory

Calin Chindris

University of Missouri, US
Talk no. 66 -
Slides

Prime thick subcategories of derived categories associated with noetherian schemes

Hiroki Matsui

Tokushima University, JP
Talk no. 65 -
Slides

Mutation in hereditary extriangulated categories

Yann Palu

Université UPJV Amiens, FR
Talk no. 64 -
Slides

Double covers of quiver Heisenberg algebras as higher preprojective algebras

Martin Herschend

Uppsala University, SE
Talk no. 63 -
Slides

The Heisenberg category of a category

Timothy Logvinenko

Cardiff University, UK
Talk no. 62 -

Rank decompositions and associated exact categories for multi-parameter persistence modules

Steffen Oppermann

Norges teknisk-naturvitenskapelige universitet, NTNU, NO
Talk no. 61 -
Slides

F1 Representations and Hall Algebras

Alexander Sistko

Manhattan College, US
Talk no. 60 -
Slides

Higher Koszul duality and connections with n-hereditary algebras

Johanne Haugland

Norges teknisk-naturvitenskapelige universitet, NTNU, NO
Talk no. 59 -
Slides

An algebraic variety related to tau-tilting theory

Hugh Thomas

Université du Québec à Montréal, CA
Talk no. 58 -

Abelian subcategories of triangulated categories induced by simple minded systems

Peter Jørgensen

Aarhus University, DK
Talk no. 57 -
Slides

Geometric models of Ginzburg algebras via local-to-global principles

Merlin Christ

Universität Hamburg, DE
Talk no. 56 -

Maximal green sequences for string algebras

Khrystyna Serhiyenko

University of Kentucky, US
Talk no. 55 -
Slides

Noncommutative Tensor Triangular Geometry and Cohomological Support Varieties

Kent Vashaw

Louisiana State University, US
Talk no. 54 -

Rigid indecomposable modules in Grassmannian cluster categories

Ana García-Elsener

Universidad Nacional de Mar del Plata, AR
Talk no. 53 -
Slides

A surface and a threefold with equivalent singularity categories

Martin Kalck
Talk no. 52 -
Slides

On length functions for an exact category

Thomas Brüstle

Université de Sherbrooke, CA
Talk no. 51 -
Slides

Some invariants related to the finitistic dimension

Vincent Gelinas
Talk no. 50 -
Slides

Cluster Structures and Cluster Theories

Gordana Todorov

Northeastern University, US
Talk no. 49 -
Slides

Periodic trivial extension algebras and fractionally Calabi-Yau algebras

Osamu Iyama

The University of Tokyo, JP
Talk no. 48 -
Slides

Quantum symmetries through the lens of linear algebra

Van Nguyen

United States Naval Academy, US
Talk no. 47 -
Slides

On symmetric quivers and their degenerations

Magdalena Boos

Ruhr-Universität Bochum, DE
Talk no. 46 -
Slides Video

Cluster categories and rational curves

Zheng Hua

University of Hong Kong, HK
Talk no. 45 -
Slides

Abelian envelopes of exact categories

Agnieszka Bodzenta-Skibińska

University of Warsaw, PL
Talk no. 44 -

Rank functions on finite dimensional algebras

Joe Chuang

City University of London, UK
Talk no. 43 -
Slides

The Ziegler spectrum of tubular canonical algebras

Jan Šťovíček

Charles University, Prague, CZ
Talk no. 42 -
Slides

Algebras of amenable representation type and (dimensional) expansion

Sebastian Eckert

Universität Bielefeld, DE
Talk no. 41 -
Slides

Stable invariance of structures on Hochschild Cohomology

Benjamin Briggs

The University of Utah, US
Talk no. 40 -
Slides

Attractors of torus actions on quiver moduli

Hans Franzen

Ruhr-University Bochum, DE
Talk no. 39 -
Slides

Higher Ideal Approximation Theory

Javad Asadollahi

University of Isfahan, IR
Talk no. 38 -
Slides

Infinite friezes and triangulations of annuli

İlke Çanakçı

Vrije Universiteit Amsterdam, NL
Talk no. 37 -
Slides

On higher torsion classes

Hipólito Treffinger

Rheinische Friedrich-Wilhelms-Universität Bonn, DE
Talk no. 36 -
Slides

Cover Relations in the Lattice of Torsion Classes: Dynamics and Compatibility

Emily Barnard

DePaul University, Chicago, US
Talk no. 35 -

Two vertex geometrically irreducible algebras - the final step

Grzegorz Bobiński

Nicolaus Copernicus University, Torun, PL
Talk no. 34 -
Slides

Quasihereditary algebras with exact Borel subalgebras

Teresa Conde

Universität Stuttgart, DE
quasihereditary algebra exact borel subalgebra coring
Talk no. 33 -
Slides

Stability and tilts on triangulated categories

Jason Lo

California State University, Northridge (CSUN), US
Talk no. 32 -
Slides

Partial Serre duality and cocompact objects

Chrysostomos Psaroudakis

Aristotle University of Thessaloniki, GR
Talk no. 31 -
Slides

The category of local representations of a finite group

Henning Krause

Universität Bielefeld, DE
Talk no. 30 -

Torsion pairs and mutation

Lidia Angeleri Hügel

Università degli Studi di Verona, IT
Talk no. 29 -
Slides

Finite triangulated categories and DG-enhancements

Fernando Muro

Universidad de Sevilla, ES
Talk no. 28 -
Slides

Exact structures and degeneration of Hall algebras

Mikhail Gorsky

Hausdorff Research Institute for Mathematics (HIM), Bonn, DE
Talk no. 27 -

ICRA 2020 Research Snapshot
An algebraic interpretation of the higher Stasheff–Tamari orders

Nicholas Williams

University of Leicester, UK
Talk no. 26 -

ICRA 2020 Research Snapshot
Refined Coxeter Polynomials

Sefi Ladkani

University of Haifa, IL
Talk no. 25 -

ICRA 2020 Research Snapshot
Monomorphism categories for generalised species

Julian Külshammer

Uppsala Universitet, SE
Talk no. 24 -

ICRA 2020 Research Snapshot
Morita theorem for hereditary cluster categories

Norihiro Hanihara

Nagoya University, JP
Talk no. 23 -

ICRA 2020 Research Snapshot
Recollements and injective generation of the derived category

Charley Cummings

University of Bristol, UK
Talk no. 22 -

ICRA 2020 Research Snapshot
Derived equivalences for skew-gentle algebras

Claire Amiot

Université Joseph Fourier, Grenoble, FR
Talk no. 21 -
Slides

Linear quasi-categories as templicial modules

Arne Mertens

Universiteit Antwerpen, BE
infinity-category dg-category dg-nerve linear category
Talk no. 20 -
Slides

Finite-dimensional DG algebras and their properties

Dmitri Orlov

Steklov Mathematical Institute of Russian Academy of Sciences, RU
Talk no. 19 -
Slides

Categorification of representation theory with an application to Soergel bimodules

Vanessa Miemietz

University of East Anglia, UK
Talk no. 18 -
Slides

Preprojective algebras and fractional Calabi-Yau algebras

Joe Grant

University of East Anglia, UK
fractional calabi-yau category preprojective algebra derived picard group serre functor frobenius algebra
Talk no. 17 -
Slides

Homological mirror symmetry for invertible polynomials in two variables

Matthew Habermann

University College London (UCL), UK
Talk no. 16 -
Slides

tau-Tilting Finite Algebras With Non-Empty Left Or Right Parts Are Representation-Finite

Stephen Zito

University of Connecticut, US
Talk no. 15 -
Slides

Leavitt path algebras, B-infty-algebras and Keller’s conjecture for singular Hochschild cohomology

Xiao-Wu Chen

University of Science and Technology of China (USTC), CN
leavitt path algebra b-infty-algebra dg singularity category hochschild cohomology singular hochschild cohomology
Talk no. 14 -
Slides

Grassmanian categories of infinite rank

Jenny August

Max Planck Institut für Mathematik (MPIM), DE
Talk no. 13 -
Slides

Hopf algebras of discrete representation type

Shijie Zhu

The University of Iowa, US
Talk no. 12 -
Slides Video

Relative Calabi-Yau completions and higher preprojective algebras

Bernhard Keller

Université de Paris, FR
calabi-yau structure calabi-yau completion higher auslander-reiten theory higher auslander-reiten translation higher preprojective algebra
Talk no. 11 -
Slides

GKZ systems and perverse schobers

Špela Špenko

Université libre de Bruxelles, BE
perverse sheaves gkz systems categorification geometric invariant theory
Talk no. 10 -
Slides

Finite generation of cohomology for Drinfeld doubles of finite group schemes

Cris Negron

University of North Carolina, US
Talk no. 9 -
Slides

Postnikov diagrams and orbifolds

Karin Baur

University of Leeds, UK
alternating strand diagrams grassmannian cluster category orbifold diagram skew group category
Talk no. 8 -
Slides

Bounded extension algebras and Han's conjecture

Andrea Solotar

Universidad de Buenos Aires, AR
hochschild homology relative han'conjecture
Talk no. 7 -
Slides

Derived equivalences for skew-gentle algebras

Claire Amiot

Université Joseph Fourier, Grenoble, FR
skew-group algebras skew-gentle algebras derived categories geometric model
Talk no. 6 -
Slides

A geometric model for the syzygies over certain 2-Calabi-Yau tilted algebras

Ralf Schiffler

University of Connecticut, US
Talk no. 5 -
Slides

Simple objects in torsion-free classes over preprojective algebras of Dynkin type

Haruhisa Enomoto

Nagoya University, JP
exact category simple objects torsion-free class preprojective algebra path algebra
Talk no. 4 -
Slides

The quiver of n-hereditary algebras

Louis-Philippe Thibault

Norges teknisk-naturvitenskapelige universitet, NTNU, NO
n-hereditary algebra n-representation-finite algebra n-representation-infinite algebra higher auslander-reiten theory monomial algebra
Talk no. 3 -
Slides

Schemes of modules over gentle algebras and laminations of surfaces

Daniel Labardini-Fragoso

Universidad Nacional Autónoma de México, UNAM, MX
gentle algebra module variety module scheme irreducible component lamination triangulated surface
Talk no. 2 -
Slides

Simple-mindedness: negativity and positivity

David Pauksztello

Lancaster University, UK
simple-minded system simple-minded collection cluster category noncrossing partition calabi--yau
Talk no. 1 -
Slides

Calabi–Yau properties of Postnikov diagrams

Matthew Pressland

University of Leeds, UK
postnikov diagram dimer model jacobian algebra calabi--yau positroid