Seminars

Cluster Algebras Seminar – Past Talks

All talks in or after Spring 2019 are accessible through the UConn Events Calendar.
The table below is of talks prior to Spring 2019.
9/8/10
Cluster Algebras Seminar
Cluster algebras from surfaces
Ralf Schiffler (University of Connecticut)
9/15/10
Cluster Algebras Seminar
Cluster algebras from surfaces II
Ralf Schiffler (University of Connecticut)
9/22/10
Cluster Algebras Seminar
Cluster expansion formula
Ralf Schiffler (University of Connecticut)
9/29/10
Cluster Algebras Seminar
F-polynomials and g-vectors
Ralf Schiffler (University of Connecticut)
10/13/10
Cluster Algebras Seminar
Strings and cluster variables
Ilke Canakci (University of Connecticut)
10/20/10
Cluster Algebras Seminar
Derived equivalences
Lucas David-Roesler (University of Connecticut)
10/27/10
Cluster Algebras Seminar
Derived equivalences II
Lucas David-Roesler (University of Connecticut)
11/3/10
Cluster Algebras Seminar
Cluster automorphisms
Ralf Schiffler (University of Connecticut)
11/10/10
Cluster Algebras Seminar
The Cluster Category of a Marked Surface
Ryan Kinser (University of Connecticut)
11/17/10
Cluster Algebras Seminar
Cluster Bases in Affine Cluster Algebras
Grégoire Dupont (UniversitÈ Sherbrooke)
12/1/10
Cluster Algebras Seminar
The Cluster Category of a Marked Surface II
Ryan Kinser (University of Connecticut)
2/2/11
Cluster Algebras Seminar
Quivers with potentials 0 (Canceled due to snow)
Ralf Schiffler (University of Connecticut)
2/9/11
Cluster Algebras Seminar
Introduction
Ralf Schiffler (University of Connecticut)
2/16/11
Cluster Algebras Seminar
F-polynomials of quiver representations
Kyungyong Lee (University of Connecticut)
3/2/11
Cluster Algebras Seminar
Representations of quivers with potentials
Ilke Canakci (University of Connecticut)
3/16/11
Cluster Algebras Seminar
Representations of quivers with potentials II
Ilke Canakci (University of Connecticut)
3/23/11
Cluster Algebras Seminar
Representations of quivers with potentials III
Ilke Canakci (University of Connecticut)
3/30/11
Cluster Algebras Seminar
Non-degenrate and rigid potentials
Ralf Schiffler (University of Connecticut)
4/6/11
Cluster Algebras Seminar
QP-interpretation of g-vectors and F-polynomials
Lucas David-Roesler (University of Connecticut)
4/13/11
Cluster Algebras Seminar
E-invariant
Ralf Schiffler (University of Connecticut)
4/20/11
Cluster Algebras Seminar
E-invariant II
Ralf Schiffler (University of Connecticut)
4/27/11
Cluster Algebras Seminar
Applications to cluster algebras
Ryan Kinser (University of Connecticut)
9/12/11
Cluster Algebras Seminar
On cluster theory and quantum dilogarithm identities; Introduction
Ralf Schiffler (University of Connecticut)
9/23/11
Cluster Algebras Seminar
Stability and Harder-Narasimhan filtration
Ralf Schiffler (University of Connecticut)
10/7/11
Cluster Algebras Seminar
Hall algebras
Ralf Schiffler (University of Connecticut)
10/14/11
Cluster Algebras Seminar
Reineke’s Identities
Ralf Schiffler (University of Connecticut)
10/21/11
Cluster Algebras Seminar
The integration map
Arend Bayer (University of Connecticut)
10/28/11
Cluster Algebras Seminar
Derived equivalences and graded equivalences
Lucas David-Roesler (University of Connecticut)
11/4/11
Cluster Algebras Seminar
The integration map
Arend Bayer (University of Connecticut)
11/11/11
Cluster Algebras Seminar
The integration map 2
Arend Bayer (University of Connecticut)
11/18/11
Cluster Algebras Seminar
Mutations and DT-invariants
Ralf Schiffler (University of Connecticut)
12/2/11
Cluster Algebras Seminar
Projective dimension of modules over cluster-tilted algebras
Ilke CanakÁi (University of Connecticut)
1/25/12
Cluster Algebras Seminar
Algebras from surfaces
Lucas David-Roesler (University of Connecticut)
2/1/12
Cluster Algebras Seminar
Algebras from surfaces and derived equivalences
Lucas David-Roesler (University of Connecticut)
2/15/12
Cluster Algebras Seminar
Cluster-tilted algebras 2: slices
Ralf Schiffler (University of Connecticut)
2/29/12
Cluster Algebras Seminar
canceled because of snow storm
Ilke CanakÁi (University of Connecticut)
3/7/12
Cluster Algebras Seminar
One point extensions of cluster-tilted algebras
Ilke CanakÁi (University of Connecticut)
3/23/12
Cluster Algebras Seminar
Tree modules and counting polynomials
Ryan Kinser ()
3/28/12
Cluster Algebras Seminar
Positive spaces and cluster ensembles
Milena Hering (University of Connecticut)
4/4/12
Cluster Algebras Seminar
Positive spaces and cluster ensembles II
Milena Hering (University of Connecticut)
4/11/12
Cluster Algebras Seminar
Cluster Varieties
Arend Bayer (University of Connecticut)
9/27/12
Cluster Algebras Seminar
Homogeneous Representations of Type A Khovanov-Lauda-Rouquier Algebras
Gabriel Feinberg (University of Connecticut)
10/9/12
Cluster Algebras Seminar
Hochschild homology and cohomology groups
Maria Andrea Gatica (Universidad Nacional del Sur, Bahia Blanca, Argentina)
10/18/12
Cluster Algebras Seminar
Hochschild homology and cohomology groups of finite dimensional algebras
Maria Andrea Gatica (Universidad Nacional del Sur, Bahia Blanca, Argentina)
1/30/13
Cluster Algebras Seminar
Cluster algebras : Definition
Ralf Schiffler (University of Connecticut)
2/6/13
Cluster Algebras Seminar
Cluster algebras: Properties and classifications
Ralf Schiffler (University of Connecticut)
2/13/13
Cluster Algebras Seminar
Cluster algebras: Coefficients
Ralf Schiffler (University of Connecticut)
2/20/13
Cluster Algebras Seminar
Cluster algebras from surfaces
Khrystyna Serhiyenko (University of Connecticut)
2/27/13
Cluster Algebras Seminar
Cluster algebras from surfaces II
Khrystyna Serhiyenko (University of Connecticut)
3/6/13
Cluster Algebras Seminar
Expansion formula for cluster algebras from surfaces
Ilke Canakci (University of Connecticut)
3/13/13
Cluster Algebras Seminar
On the proof of the expansion formula for cluster algebras from surfaces
Ralf Schiffler (University of Connecticut)
3/27/13
Cluster Algebras Seminar
Bases for cluster algebras from surfaces
Ralf Schiffler (University of Connecticut)
4/3/13
Cluster Algebras Seminar
Bases for cluster algebras from surfaces 2
Ralf Schiffler (University of Connecticut)
4/10/13
Cluster Algebras Seminar
Snake graph calculus
Ilke Canakci (University of Connecticut)
4/17/13
Cluster Algebras Seminar
Cluster categories
Stephen Zito (University of Connecticut)
4/24/13
Cluster Algebras Seminar
Positivity for cluster algebras
Kyungyong Lee (Wayne State University)
5/1/13
Cluster Algebras Seminar
c- and d-vectors for finite type cluster algebras
Stella Salvatore ()
9/18/13
Cluster Algebras Seminar
Projective dimension of modules over cluster-tilted algebras
Stephen Zito (University of Connecticut)
9/25/13
Cluster Algebras Seminar
Induced modules over cluster-tilted algebras
Khrystyna Serhiyenko (University of Connecticut)
10/9/13
Cluster Algebras Seminar
Representation type of Jacobian algebras
Ralf Schiffler (University of Connecticut)
10/16/13
Cluster Algebras Seminar
Representation type of Jacobian algebras II
Ralf Schiffler (University of Connecticut)
10/23/13
Cluster Algebras Seminar
Representation type of Jacobian algebras III
Khystyna Serhiyenko (University of Connecticut)
10/30/13
Cluster Algebras Seminar
tau-tilting theory, completions
Stephen Zito (University of Connecticut)
11/6/13
Cluster Algebras Seminar
tau-tilting theory, complements
Ralf Schiffler (University of Connecticut)
11/13/13
Cluster Algebras Seminar
Towards a Categorification of Rank 2 Generalized Cluster Algebras
Dylan Rupel (Northeastern University)
11/20/13
Cluster Algebras Seminar
tau-tilting theory
Khrystyna Serhiyenko (University of Connecticut)
12/4/13
Cluster Algebras Seminar
tau-tilting theory
Ralf Schiffler (University of Connecticut)
1/27/14
Cluster Algebras Seminar
\\tau-tilting theory – an overview of the Adachi-Iyama-Reiten paper (Northeastern UConn Joint Seminar in Representation Theory)
Khrystyna Serhiyenko (University of Connecticut)
2/12/14
Cluster Algebras Seminar
Cluster algebras and rings of snake graphs
Ralf Schiffler (University of Connecticut)
2/28/14
Cluster Algebras Seminar
\\tau-tilting theory, geometric interpretation in terms of presentations (Northeastern UConn Joint Seminar in Representation Theory)
Ryan Kinser (Northeastern University)
3/5/14
Cluster Algebras Seminar
Semi-invariants of quivers
Jerzy Weyman (University of Connecticut)
3/10/14
Cluster Algebras Seminar
\\tau-tilting theory, geometric interpretation (Northeastern UConn Joint Seminar in Representation Theory)
Jerzy Weyman (UConn)
3/14/14
Cluster Algebras Seminar
Introduction to universal quivers and a new combinatorial formula for cluster monomials of type A quivers
Kyungyong Lee (Wayne State University)
3/26/14
Cluster Algebras Seminar
Cohen Macaulay modules and syzygies in 2-Calabi-Yau-tilted algebras
Ana Garcia Elsener (Universidad Nacional de Mar del Plata, Argentina)
3/28/14
Cluster Algebras Seminar
Generic bases of cluster algebras and Caldero-Chapoton algebras (Northeastern UConn Joint Seminar in Representation Theory)
Dylan Rupel ( Northeastern University)
4/3/14
Cluster Algebras Seminar
Cluster categories of type A double infinity
Charles Paquette (University of New Brunswick)
4/7/14
Cluster Algebras Seminar
\\tau-tilting theory and Caldero-Chapoton algebras (Northeastern UConn Joint Seminar in Representation Theory)
Ralf Schiffler ()
4/25/14
Cluster Algebras Seminar
Classifying $\\tau$-tilting modules over preprojective algebras of Dynkin type (Northeastern UConn Joint Seminar in Representation Theory)
Kiyoshi Igusa (Brandeis University)
4/28/14
Cluster Algebras Seminar
On extensions in the Jacobian algebra of a surface without punctures
Ilke Canakci (University of Leicester)
9/10/14
Cluster Algebras Seminar
KLR algebras
Alexander Kleshchev (University of Oregon)
10/7/14
Cluster Algebras Seminar
Derived categories of algebras of global dimension two
Lutz Hille (Universit‰t M¸nster)
10/21/14
Cluster Algebras Seminar
Generalized non-crossing partitions
Henning Krause (Universit‰t Bielefeld)
1/30/15
Cluster Algebras Seminar
Cluster algebras of types A and D
Ralf Schiffler ()
2/6/15
Cluster Algebras Seminar
Upper cluster algebras and maximal green sequences
Kyungyong Lee ()
2/13/15
Cluster Algebras Seminar
Introduction to preprojective algebras (Northeastern UConn Joint Seminar in Representation Theory)
Jerzy Weyman ()
2/20/15
Cluster Algebras Seminar
Rigid modules over preprojective algebras, part II. (Northeastern UConn Joint Seminar in Representation Theory)
Charles Paquette (UConn)
3/11/15
Cluster Algebras Seminar
On maximal green sequences
Khrystyna Serhiyenko ()
3/25/15
Cluster Algebras Seminar
Quivers with relations for symmetrizable Cartan matrices (Northeastern UConn Joint Seminar in Representation Theory)
Dylan Rupel (Northeastern University)
4/1/15
Cluster Algebras Seminar
Accumulation points of real Schur roots
Charles Paquette (UConn)
4/10/15
Cluster Algebras Seminar
Cluster algebras, snake graphs and applications
Ralf Schiffler (University of Connecticut)
4/17/15
Cluster Algebras Seminar
Quivers with relations for symmetrizable Cartan matrices II (Northeastern UConn Joint Seminar in Representation Theory)
Ralf Schiffler (University of Connecticut)
9/18/15
Cluster Algebras Seminar
Cluster structures on rings of semi invariants of quivers (papers of Jarui Fei)
Jerzy Weyman (University of Connecticut)
9/25/15
Cluster Algebras Seminar
Self-avoiding Walk and Connective Constant
Zhongyang Li (University of Connecticut)
10/2/15
Cluster Algebras Seminar
On the homological dimension of modules over cluster-tilted algebras
Stephen Zito (University of Connecticut)
10/9/15
Cluster Algebras Seminar
Lattice Properties of Oriented Exchange Graphs
Alexander Garver (University of Minnesota)
10/16/15
Cluster Algebras Seminar
T-path and atomic bases of Type D
Emily Gunawan (University of Minnesota)
10/23/15
Cluster Algebras Seminar
Modulated semi-invariants and c-vector theorem, part I
Gordana Todorov (Northeastern University)
10/23/15
Cluster Algebras Seminar
Modulated semi-invariants and c-vector theorem, part II
Kiyoshi Igusa (Northeastern University)
11/6/15
Cluster Algebras Seminar
Introduction to cluster algebras
Ralf Schiffler (University of Connecticut)
11/13/15
Cluster Algebras Seminar
Cluster categories
Ralf Schiffler (University of Connecticut)
11/20/15
Cluster Algebras Seminar
Hopf algebra action on path algebras of quivers
Ryan Kinser (University of Iowa)
11/20/15
Cluster Algebras Seminar
Quasi exceptional sequences and preprojective algebras
Andy Carrol (De Paul University)
12/4/15
Cluster Algebras Seminar
Minimal length maximal green sequences
Khrystyna Serhiyenko ()
4/6/16
Cluster Algebras Seminar
The Greedy Basis Equals the Theta Basis: A Rank Two Haiku
Gregg Musiker ()
8/25/16
Cluster Algebras Seminar
The upper cluster algebras of iARt quivers
Jia-Rui Fei ()
9/9/16
Cluster Algebras Seminar
Y-meshes and generalized pentagram maps
Max Glick (University of Connecticut)
9/16/16
Cluster Algebras Seminar
Continued fractions and Christoffel word factorizations
Michelle Rabideau (UConn)
9/30/16
Cluster Algebras Seminar
no seminar (sherbrooke meeting)
— — ()
10/7/16
Cluster Algebras Seminar
N=1 and N=2 Super-Teichmueller theory
Anton Zeitlin (Columbia University)
10/14/16
Cluster Algebras Seminar
Bongartz completions over split-by-nilpotent extensions
Stephen Zito (UConn)
10/26/16
Cluster Algebras Seminar
Noncrossing Tree Partitions
Thomas McConville (MIT)
11/4/16
Cluster Algebras Seminar
Noncommutative geometry and cluster algebras
Igor Nikolaev (St.John’s University)
11/11/16
Cluster Algebras Seminar
Presentations of cluster algebras
Jacob Matherne (UMass Amherst)
12/2/16
Cluster Algebras Seminar
On maximal green sequences in module categories
Hipolito Treffinger (UniversitÈ de Sherbrooke)
12/9/16
Cluster Algebras Seminar
Exotic cluster structures on simple Lie groups
Idan Eisner (Technion, Israel Institute of Technology)
2/1/17
Cluster Algebras Seminar
Desingularizations of orbit closures and quiver Grassmannians for algebras of finite type after W. Crawley-Boevey and J. Sauter — Northeastern-UConn Joint Seminar in Representation Theory
Jerzy Weyman (UConn)
2/3/17
Cluster Algebras Seminar
Group actions and cluster categories arising from surfaces
Charles Paquette (UConn)
2/10/17
Cluster Algebras Seminar
Igusa-Todorov Algebras
Diego Bravo (Universidad de la Rep˙blica de Uruguay, Montevideo)
3/24/17
Cluster Algebras Seminar
A conjectural description for real Schur roots of acyclic quivers
Kyu-Hwan Lee (UConn)
3/29/17
Cluster Algebras Seminar
Infinite mutations on marked surfaces
Sira Gratz (University of Oxford, UK)
3/31/17
Cluster Algebras Seminar
Linearity of Stability Conditions — Northeastern-UConn Joint Seminar in Representation Theory
Kiyoshi Igusa (Brandeis University)
4/5/17
Cluster Algebras Seminar
Torsion pairs in discrete cluster categories of Dynkin type A – Northeastern-UConn Joint Seminar in Representation Theory
Sira Gratz (University of Oxford, UK)
4/14/17
Cluster Algebras Seminar
Strand diagrams from polygon tilings – Northeastern-UConn Joint Seminar in Representation Theory
Karin Baur (Universi‰t Graz, Austria)
4/19/17
Cluster Algebras Seminar
Northeastern-UConn Joint Seminar in Representation Theory
Jerzy Weyman (UConn)
9/15/17
Cluster Algebras Seminar
Generic free resolutions and root systems I
Jerzy Weyman (UConn)
9/22/17
Cluster Algebras Seminar
Generic free resolutions and root systems II
Jerzy Weyman (UConn)
9/29/17
Cluster Algebras Seminar
no seminar (sherbrooke meeting)
— — ()
10/6/17
Cluster Algebras Seminar
Cluster algebras and knot theory
Ralf Schiffler ()
10/13/17
Cluster Algebras Seminar
no seminar
— — ()
10/20/17
Cluster Algebras Seminar
Conway-Coxeter frieze patterns
Emily Gunawan ()
10/27/17
Cluster Algebras Seminar
Quiver representations and theta functions
Mandy Cheung (Harvard University)
10/31/17
Cluster Algebras Seminar
Coxeter transformation on cominuscule posets
Emine Yıldırım (UniversitÈ du QuÈbec ‡ MontrÈal)
11/3/17
Cluster Algebras Seminar
Cluster Monomials in Web Basis
Emine Yıldırım (UniversitÈ du QuÈbec ‡ MontrÈal)
12/1/17
Cluster Algebras Seminar
Determinantal hypersurfaces and representations of Coxeter groups
Alex Tchernev (SUNY Albany)
12/8/17
Cluster Algebras Seminar
The combinatorics of torsion classes
Emily Barnard (Northeastern University)
1/26/18
Cluster Algebras Seminar
Factoriality and class groups of cluster algebras
Daniel Smertnig (Dartmouth College and Universität Graz)
2/2/18
Cluster Algebras Seminar
A characterization of tame quivers
Ralf Schiffler (University of Connecticut)
2/9/18
Cluster Algebras Seminar
Horizontal and vertical mutation fans
Kiyoshi Igusa (Brandeis University)
2/14/18
Cluster Algebras Seminar
Cluster automorphism groups of cluster algebras of finite type
Wen Chang (University of Connecticut)
2/23/18
Cluster Algebras Seminar
Unitary representations of path groups
Maria Gordina (University of Connecticut)
3/2/18
Cluster Algebras Seminar
Rigid reflections and Kac-Moody algebras
Kyu-Hwan Lee (University of Connecticut)
3/16/18
Cluster Algebras Seminar
spring break
()
3/23/18
Cluster Algebras Seminar
no seminar
()
3/30/18
Cluster Algebras Seminar
Tame quivers have finitely many $m$-maximal green sequences
Ying Zhou (Brandeis University)
4/6/18
Cluster Algebras Seminar
TBA
Gordana Todorov (Northeastern University)
4/13/18
Cluster Algebras Seminar
TBA
Shijie Zhu (Northeastern University )
4/27/18
Cluster Algebras Seminar
no seminar
()
5/1/18
Cluster Algebras Seminar

Ilke Canakci (Newcastle, UK)

5/1/18
Cluster Algebras Seminar
Cluster variables for quantum cluster algebras of Kronecker type
Ilke Canakci (Newcastle UK)
5/2/18
Cluster Algebras Seminar
Auslander-Reiten quivers of Cohen-Macauley modules of Grassmannians
Karin Baur (Universität Graz (Austria))
6/22/18
Cluster Algebras Seminar
Frieze vectors and unitary friezes
Emily Gunawan (UConn)
9/14/18
Cluster Algebras Seminar
Cluster automorphisms and quasi automorphisms
Wen Chang (UConn and Shaanxi Normal )
9/21/18
Cluster Algebras Seminar
The structure of free resolutions of length three and simple Lie algebras
Jerzy Weyman ()
9/28/18
Cluster Algebras Seminar
no seminar
()
10/5/18
Cluster Algebras Seminar
Cluster algebas and snake modules
Bing Duan (Lanzhou University & University of Connecticut)
10/19/18
Cluster Algebras Seminar
On quantum cluster algebra from unpunctured surfaces: arbitrary coefficients and quantization.
Min Huang (Universite de Sherbrooke)
10/26/18
Cluster Algebras Seminar
A geometric realization of representations of posets of width 2 as diagonals of polygons
Robinson Julian Serna Vanegas (Universidad Nacional de Colombia)
11/2/18
Cluster Algebras Seminar
Unistructurality of cluster algebras
Ralf Schiffler ()
11/9/18
Cluster Algebras Seminar
Green Conjecture for general canonical curves
Jerzy Weyman ()
11/23/18
Cluster Algebras Seminar
no seminar
()
11/30/18
Cluster Algebras Seminar
Joint spectra and representation theory
Alex Tchernev (SUNY Albany)