TBA. BIRS-CMI meeting on “Quivers in Representation Theory” in Chennai, India, Nov 30-Dec 5, 2025.
Work with Thomas Brüstle. Sherbrooke, Quebec, Canada, October 23-25, 2025.
Higher Preprojective Algebras – Categorical Approach. Special Session in Representation Theory of Algebras, MCA – Mathematical Congress of the Americas 2025, University of Miami, July 21-25, 2025.
Continuous Cluster Categories and their relation to TDA. OIST, Okinawa, Japan, June 30-July 12, 2025.
Infinite friezes of affine type D. Combinatorial Representation Theory Session, CMS – Canadian Mathematical Society, Quebec City, Canada, 07 June, 2025.
Claus Michael Ringel – his influence is everywhere. Beijing Normal University, Beijing, China, May 29-June 2, 2025.
Higher Preprojective Algebras – Categorical Approach. School of Mathematical Sciences, SJTU, Shanghai Jiao Tong University, Shanghai, China P.R., 28 May, 2025.
Continuous Quivers of Type A. School of Mathematical Sciences, Zhejiang University, Hangzhou, Zhejiang, China, P. R., 26 May, 2025.
Higher Auslander Algebras. Hangzhou Normal University, Hangzhou, China P.R., 25 May, 2025.
Higher Preprojective Algebras – Categorical Approach. School of Mathematical Sciences, Zhejiang University, Hangzhou, Zhejiang, China, P. R., 23 May, 2025.
Higher Preprojective Algebras – Categorical Approach. Category Theory, Algebras, and Representation Theory, Association for Women in Mathematics (AWM), Research Symposium, The University of Wisconsin-Madison, May 16-18, 2025.
Quiver Representations. REU Undergraduate Colloquium, Northeastern University, Boston, May 09, 2025.
Dynkin diagrams and higher Auslander algebras, Cluster Tilting Objects and Preprojective Algebras. Homological Interactions Between Commutative and Noncommutative Algebra, JMM, Seattle, WA, 09 January, 2025.
Continuous clusters and continuous mutations. Representation theory – combinatorial aspects and applications to TDA Trondheim, Norway, Monday Dec. 2 – Friday Dec. 6, 2024.
Mutations of certain higher cluster tilting objects. AMS. Spring Central Sectional Meeting, University of Wisconsin- Milwaukee, Milwaukee, WI, April 20-21, 2024.
Dynkin diagrams and higher: Auslander algebras, Cluster Tilting Objects and Preprojective Algebras, Leeds Algebra Seminar, University of Leeds, Leeds, UK, 27 February, 2024.
Mutations in Higher Preprojective Algebras coming from Dynkin quivers. Glasgow, UK, 14 February, 2024
On Higher Auslander Algebras. AMS Special Session on Homological Techniques in Noncommutative Algebra, JMM 2024, San Francisco, CA, January 3-6, 2024
Some Classes of Higher Auslander Algebras. Silting in Representation Theory, Singularities, and Noncommutative Geometry, BIRS, CMO Casa Matem\’atica Oaxaca, Oaxaca, Mexico, September 10-15, 2023
Higher Auslander Algebras. Canada-Mexico-US, Conference in Representation Theory, Noncommutative Algebra, and Categorification, Centre de recherches math\’ematiques (CRM), Universit\’e de Montr\’eal, August 24-27, 2023
Reverse Epsilon Construction for Nakayama Algebras. Combinatorial aspects of Representation Theory, Centre for Advanced Study at the Norwegian Academy of Science and Letters, CAS, OSLO, Tuesday, March 28 – Friday March 31, 2023.
Nakayama Algebras which are Defect Invariant. Representation Theory of Algebras, Winter CMS Meeting, Toronto, Canada,
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Cyclic Posets & Cluster Structures. The XXXth Meeting on REPRESENTATION THEORY of ALGEBRAS, Sherbrooke, Canada, September 7-8, 2018.
Picture Groups and their Homology. 3rd International Colloquium on Representations of Algebras, in honor of Alexander Zavadskij, Medellin, Colombia, June 27-29, 2018. Conference Page.
Functors, words and morphisms determined by objects. Cluster categories and cluster tilting” celebrating Idun Reitens 70th birthday, Trondheim, Norway, March 28-30, 2012. Conference Page, Conference Picture.
From Frobenius categories to Cluster Structures. CMS Canadian Mathematical Society, Winter 2011, Toronto, Ontario, December 10-12, 2011.
Projective dimension of modules over cluster-tilted algebras. Representation Theory Seminar, Northeastern University, October 28, 2011.
Cluster Categories. Cluster Algebras and Categorification Seminar, Northeastern University, October 6, 2011.
Properties of Continuous Cluster Categories. AMS Meeting, Wake Forest University, Winston-Salem, NC, September 24-25, 2011.
Clusters in Continuous Cluster Categories. XXIIIrd Meeting on REPRESENTATION THEORY of ALGEBRAS, Bishop’s University, Sherbrooke,Quebec, Canada, 16 – 17, September 2011.
Continuous Cluster Categories. AMS Sectional Meeting, University of Iowa, Iowa City, IO March 18-20, 2011.
Continuous Cluster Categories. Representation Theory Seminar, University of Sherbrooke, Sherbrooke, Canada, March, 2011.
Trace subfunctors and modules over preprojective algebras. AMS Fall Eastern Sectional Meeting, Special Session on Representations of Algebras, Syracuse, NY, October 2-3, 2010: Session page.
Generalized cluster categories and c-sortable words. Non-commutative Algebra and Derived Categories Session, 2010 CMS Summer Meeting, Fredericton, New Brunswick, Canada, June 4, 2010. Conference page, Session page.
Functor categories, module categories and words in Coxeter groups. Representation Theory of Algebras Session, 2010 CMS Summer Meeting, Fredericton, New Brunswick, Canada, June 5, 2010. Conference page, Session page.
Preprojective algebras and c-sortable words. South-American Meeting on Representations of Algebras and Related Topics, Mar del Plata, Argentina, March 8-13, 2010. Conference page, Poster.
Module categories associated to the words in Coxeter groups. Special Session on Representations of Finite Dimensional Algebras, AMS Meeting, Riverside CA, November 8, 2009.
Preprojective algebras, approximations, and c-sortable words. Algebra seminar lecture, University of Trondheim, NTNU, Trondheim, Norway, October 29, 2009.
Categories associated to the words in Coxeter groups. XXIst Meeting on Representation Theory of Algebras, University of Sherbrooke, Quebec, Canada, October 3, 2009.
The psi function and representation dimension. “Homological Conjectures in Representation Theory of Artin Algebras” workshop, Wuppertal, Germany, 19th August 2009. Poster
The psi function. “Homological Conjectures in Representation Theory of Artin Algebras” workshop, Wuppertal, Germany, 17th August 2009. Poster.
c-sortable words and preprojective algebras. “Homological and Geometric Methods in Algebra” conference, University of Trondheim,Trondheim, Norway, August 10-14, 2009. Poster , Group Picture.
Finitely presented functors, words, subcategories of module categories over preprojective algebras. XVIII Latin American Algebra Colloquium, Sao Pedro, Brazil, August 3-8,2009.
Weight Spaces of Semi-invariants. Algebra seminar lecture, University of Trondheim, Trondheim, Norway, November, 2008.
Representation and Presentation Spaces; Semi-invariants and their Weights. The XXth Meeting on representation theory of Algebras, University of Sherbrooke, Quebec, Canada, October 25, 2008.
Cluster Categories, Cluster algebras, Semi-invariants,. Colloquium talk, Florida State University, Boca Raton, September 16, 2008.
Klaster kategorije i algebre. Algebra seminar, Novosadski Universzitet, Novi Sad, Serbia, July 8, 2008.
Finitistic Dimension Conjecture and Representation Dimension. CIMPA-UNESCO, IPM School on Representation Theory of Algebras Tehran, Iran, June 22 – 25, 2008. Conference page , Poster.
Semi-invariants on Presentation spaces. Colloquium of Non Commutative Algebra, Universite de Sherbrooke and Bishop’s University, Quebec, Canada, June 9 – 14, 2008. Conference page , Poster.
Auslander-Reiten Theory. Tapas seminar, Northeastern University, May, 2008.
Cluster Categories. GASC seminar, Northeastern University, December 10, 2007.
Cluster Categories, Cluster Algebras and Cluster Tilted Algebras. Representation theory seminar, Universidad del Sur, Bahia Blanca, Argentina, November 1,2,5, 2007. (3 lectures)
Cluster categories and their relation to cluster algebras and semi-invariants. Seminario Matematico e Fisico di Milano, Universit degli Studi, Milan, Italy, September 26, 2007.
Semi-invarints and simplicial complexes of cluster tilting objects. Algebra seminar, Universit degli Studi, Padova, Italy, September 21, 24, 25, 2007. ( 3 lectures )
Cluster Algebras, Cluster Categories. Representation theory seminar, UMass, Amherst, September 17, 2007.
Cluster Complexes via Semi-Invariants. XII ICRA, Torun, Poland, 15-24 August 2007.
Clusters and Seeds. Notes Workshop on Cluster Algebras and Cluster Tilted Algebras, Bielefeld, May 25-27, 2006. Conference page.
Cluster Categories and their relation to Cluster algebras, Semi-invariants and Homology of torsion free nilpotent groups. Notes (4 lectures, 19 pages ). CIMPA – UNESCO, Mar del Plata, Argentina, March 2006. Homological methods and representations of non-commutative algebras. Conference page.
Cluster categories and Related Topics. Notes (3 lectures, 8 pages, and also my Handwritten notes). BIREP, Bielefeld, December 2005.
Cluster categories and Nilpotent groups. Notes (30 min, only handwritten). International Conference on Representations of Algebras and related Topics, Northeastern University, October 2005 Conference web page.
Cluster categories. (50 min.) XVIIth Meeting on Representation theory of algebras, Sherbrooke and Bishop’s University, Canada, September 2005. Schedule.
Cluster categories and related topics. (40min) 16 Coloquio Latinoamericano de Algebra, Colonia del Sacramento, Uruguay, August 2005. Conference page.
Cluster categories and some related topics. (60min) Algebra Seminar, Tokyo Univ. of Agr. and Technology, Japan, July 2005.
Representations of quivers and related topics. (60min) Tapas Graduate Seminar, Northeastern University, May 2005.
Pictures – from cluster categories to cohomology of nilpotent torsion free groups, AMS meeting, University of Santa Barbara, Santa Barbara CA, April 2005.
Cluster categories, AMS meeting, Texas Tech University, Lubbock, TX, April 2005.
Tilting objects and exchange pairs, (50 min). XVIth Meeting on Representation theory of algebras, Sherbrooke and Bishop’s University, Canada, October 2004. RTA page.
Talk, (40 min). International Conference on Representations of Algebras and related Topics, Northeastern University, October 2004 Conference web page.
Cluster categories., (20 min). ICRA XI, Morelia, Mexico, August 2004. Conference page.
Cluster categories, tilting object and semi-invariants, (1 h). Algebra seminar, University of Indiana, Bloomington, IN, May 2004
Tilting modules and exchange pairs, (1 h). Algebra seminar, Syracuse University, Syracuse, NY, May 2004
Exchange pairs and tilting modules, (45 min). XVIth Meeting on Representation theory of algebras, Sherbrooke and Bishop’s University, Canada, October 2003. Program.
Representation dimension and Finitistic dimension conjecture, (50 min). Fellowship of the Ring, Brandeis University, Waltham, February 2003. Paper.
Representation dimension and Finitistic dimension conjecture, (50 min). XVth Meeting on Representation theory of algebras, Sherbrooke and Bishop’s University, Canada, November 2002. Paper.
Homologically Finite Subcategories, Torsion Theories and Colocalizations., (20 min). Vth Joint Meeting of AMS-SMM, Morelia, Mexico, May 2001. Conference page