| Coxeter polytopes, quiver mutations and hyperbolic manifolds   ---- | 2025, workshop on Higher Dimensional Hyperbolic Geometry, Ventotene, Italy. | 
 | Hyperbolic geometry of friezes   ---- | 2025, Groups Actions Dynamics Seminar, Jerusalem. | 
 | Music of the Spheres   ---- | 2025,  Art and Math Seminar, Kansas State University. Webpage with additional resources. | 
 | Three dots... (Groups generated by three symmetries on H2)   ---- | 2025, Banff, "Perspectives on Markov Numbers". | 
 | Polytopal realizations of non-crystallographic associahedra   ---- | 2024, Fribourg, Jounées de Géométrie hyperbolique. | 
 | 3D Farey graph from ideal tetrahedra   ---- | 2024, "Cluster algebras and its applications", Oberwolfach workshop. | 
| Geometries   ---- | 2023, talk for high school students, "Maths Unbounded", Durham. | 
 | Ptolemy relation and Friends   ---- | 2023, Seminar "Graphs on surfaces and curves over number fields", online. Webpage with additional resources. | 
 | Friezes for a pair of pants   ---- | 2021,
"Selected Topics in Mathematics", Online Edition. | 
 | Finite mutation type in presence of coefficients   ---- | 2021,
Isaac Newton Institute, "Interdisciplinary applications of cluster algebras" (slides corrected). | 
 | Quiver mutations and triangulated surfaces   ---- | 2021,
LMS Undergraduate Summer School, Colloquium (online). | 
 | Essential hyperbolic Coxeter polytopes  ---- | 2020, AIM workshop on Arithmetic Reflection Groups and Crystallographic Packings. | 
 | Mutation of non-integer quivers: finite mutation type  ---- | 2020, ICMS, Integrable Days, 65th birthday celebration for Alexander P. Veselov. | 
 | Introduction to cluster algebras  ---- | 2018, London, LMS Graduate Student Meeting. | 
 | Coxeter groups, quiver mutations
and hyperbolic manifolds  ---- | 2018, Leicester, Workshop on Galois Covers, Grothendieck-Teichmüller Theory and Dessins d’Enfants. | 
 | Quiver mutations, reflection groups and curves on punctured disc     ---- | 2018, Luminy, CIRM, Cluster Algebras: Twenty Years On. | 
 | Hyperbolic Coxeter polytopes     ---- | 2017, CRM, Montreal. | 
 | 4 minutes talk on Cluster algebras and Coxeter groups     ---- | 2016. | 
  | Geometric realizations of quiver mutations    ---- | 2016, Hesrtmonceux Castle,  Conference on Groups Actions and Algebraic Combinatorics. | 
  | Bases for cluster algebras from orbifolds     ---- | 2014, Moscow, 4th  Workshop  on  Combinatorics  of  Moduli  Spaces,  Cluster  Algebras,  and Symplectic Invariants. | 
 | Reflection subgroups of Coxeter groups     ---- | 2013, Durham, Geometry and Topology seminar. | 
 | 5 minutes talk on cluster algebras      ---- | 2012, MSRI. | 
 | Coxeter groups and cluster algebras     ---- | 2012, Durham (job inteview talk). | 
| Double pants decompositions of 2-surfaces     ---- | 2010, Moscow. 2nd  Workshop  on  Combinatorics  of  Moduli  Spaces,  Cluster  Algebras,  and
Symplectic Invariants. | 
| Combinatorics of Coxeter polytopes     ---- | 2009, EPFL. | 
| Hyperbolic Coxeter polytopes     ---- | 2008, Fribourg, 3-hour minicourse, Summer school on bounded cohomology, Coxeter groups and hyperbolic geometry. | 
| Combinatorics of Coxeter polytopes: missing faces     ---- | 2007, CMS Winter Meeting. | 
| Reflection subgroups of Coxeter groups   ---- | 2007, Bielefeld. |