News

• Our team won Bulgarian National Science Fund for research project "Friezes in Algebra, Category Theory, Combinatorics, and Dynamical Systems".

Working Seminar at ICMS - SOFIA

Talks:

• June 5, 2025, Wonwoo Kang: Introduction to cluster algebras and A and X type cluster varieties.

• June 12, 2025, Emine Yıldırım: Introduction to friezes.

• June 19, 2025, Deepanshu Prasad: Introduction to Auslander-Reiten theory, part I.

• June 23, 2025, Alessandro Contu: Cluster structures on schemes of bands, part I.

• June 25, 2025, Nicola Bellumat: Categorification of Z[1/2], part I.

• June 30, 2025, Deepanshu Prasad: Introduction to Auslander-Reiten Theory, part II.

• July 2, 2025, Nicola Bellumat: Categorification of Z[1/2], part II.

• July 23, 2025, Alessandro Contu: Cluster structures on schemes of bands, part II.

• August 4, 2025, Deepanshu Prasad: Introduction to Auslander-Reiten Theory, part III.

• August 8, 2025, Nicola Bellumat: Categorification of Z[1/2], part III.

• August 11, 2025, Deepanshu Prasad: Introduction to Auslander-Reiten Theory, part IV.

• August 20, 2025, Wonwoo Kang, Unimodality from Cluster Algebra.

• September 5, 2025, Yunmeng Wu, Laurent Phenomenon Algebras, part I.

• September 10, 2025, Yunmeng Wu, Laurent Phenomenon Algebras, part II.

• September 12, 2025, Emine Yıldırım, Cluster Character Maps for 2-Calabi-Yau Categories, part I.

• September 19, 2025, Emine Yıldırım, Cluster Character Maps for 2-Calabi-Yau Categories, part II.

• September 26, 2025, Alessandro Contu, Poisson structures on Bott-Samelson varieties, part I.

• October 10, 2025, Alessandro Contu, Poisson structures on Bott-Samelson varieties, part II.

• October 24, 2025, Alessandro Contu, Poisson structures on Bott-Samelson varieties, part III.

• November 14, 2025, Ivan Dimitrov, Generalized Root Systems, part I.

• November 21, 2025, Ivan Dimitrov, Generalized Root Systems, part II.

• November 26, 2025, Ivan Dimitrov, Generalized Root Systems, part III.

Talks given by Team members:

• August 18-31, 2025, Emine Yıldırım, "Cluster Structures: Lecture Series I, II, III", Summer School on Markov Numbers and Cluster Algebras.

• November 11, 2025, Emine Yıldırım, "Pictures I like in algebra", ICMS Seminar.

• November 25, 2025, Deepanshu Prasad, "An Extension of Sato-Kimura Theorem for Semi-invariant rings", ICMS Seminar.

• December 4, 2025, Wonwoo Kang, "Generalized Cluster Algebras from Orbifolds and their Bases", UNIST Number Theory Group, UNIST.

• January 9, 2026, Emine Yıldırım, "Lattice of Pretorsion classes", Flash Talks in Representation Theory VI.

• January 28, 2026, Emine Yıldırım, "Pretorsion theory in module categories", Algebra and Geometry Seminar, University of Graz.

• February 12, 2026, Emine Yıldırım, "Pretorsion theories", Representation Theory of Quivers and Finite-Dimensional Algebras, Oberwolfach.

• March 26, 2026, Emine Yıldırım, "Categorification of webs beyond Plücker coordinates", Banff International Research Station.

• March 30, 2026, Emine Yıldırım, "Lattices from representation theory of algebras", Algebra and Geometry Seminar, Queen's University, ON.

• April 10, 2026, Emine Yıldırım, "A mirror deformation of Markov numbers", LaCIM Seminar, Université du Québec à Montréal.

• April 23, 2026, Emine Yıldırım, "A mirror deformation of Markov numbers", Farey's legacy in frieze patterns and discrete geometry.

• April 24, 2026, Deepanshu Prasad, "Growth of infinite T-friezes of affine type", Farey's legacy in frieze patterns and discrete geometry.

Conferences Attended by Team Members:

• December 1-5, 2025, Emine Yıldırım, "Beyond Permutahedra and Associahedra", CIRM, France.

• January 9, 2026, Emine Yıldırım, "Flash Talks in Representation Theory VI".

• February 8-13, 2026, Emine Yıldırım, "Representation Theory of Quivers and Finite-Dimensional Algebras", Oberwolfach, Germany.

• March 23-27, 2026, Emine Yıldırım, "Cluster Algebras, Webs, and Canonical Bases", Banff International Research Station, Canada.

• April 20-24, 2026, Wonwoo Kang, Deepanshu Prasad and Emine Yıldırım, "Farey's legacy in frieze patterns and discrete geometry",  ICMS Edinburgh.

Research Visits by Team Members:

• 25-30 January 2026, Emine Yıldırım visited Eleonore Faber in University of Graz.

• 30 March-6 April 2026, Emine Yıldırım visited Charles Paquette and Ivan Dimitrov at Queen's University.

• 7-10 April 2026, Emine Yıldırım visited Hugh Thomas at Université du Québec à Montréal.

Visiting Researcher at ICMS - Sofia:

• Ivan Dimitrov, 10 May - 13 June 2026.

• Francesca Fedele, 11-18 May 2026.

• Gordana Todorov, 14-29 May 2026.

• Job Daisie Rock, 17-21 August 2026.