- Ribbon structures derived from homotopy Leibniz algebras and symplectic Lie pairs, Talk at:

XV. International Workshop LIE THEORY AND ITS APPLICATIONS IN PHYSICS , Varna, 19 - 25 June,(2023).

- Exact modules over CDGA and weight systems, Talk at:

CAIM-2022 , Chisinau, 25-27 August,(2022).

- Globally generated vector bundles on $\mathbb{P}^3$ and the unirationality of $\mathcal{M}_g$, $g \leq 13$.,

Talk at: Bandoleros 2022-Sixth Algebraic Geometry Meeting ,

Middle East Technical University, Ankara, May 11-13,(2022).

- On geometric weight systems, Talk at:

CAIM-2021 , Online, 17-18 September,(2021).

- Group representations and plane curves invariants, Talk at:

MITRE-2021 , Chisinau, 1-3 July,(2021).

- Lie algebroids and weight systems, Talk at:

XIV. International Workshop LIE THEORY AND ITS APPLICATIONS IN PHYSICS , Sofia, 20 - 26 June,(2021).

- Lie theory and infinitesimal extensions in algebraic geometry , Talk at:

XIII. International Workshop LIE THEORY AND ITS APPLICATIONS IN PHYSICS , Varna, 17 - 23 June,(2019).

- Plane curves invariants from quantum braid groups representations , Talk at:

The Ninth Congress of Romanian Mathematicians , Galati, June 28 - July 3,(2019).

- Rota-Baxter operators and elliptic curves , Talk at:

The 25-th Conference on Applied and Industrial Mathematics - CAIM 2018 , Chisinau, 20 - 23 September,(2018).

- On a Class of Rota-Baxter Operators with Geometric Origin

, Talk at:

International Conference of the Balkan Physical Union 10th Jubilee , Sofia, 26 - 30 August,(2018).

- (0; 2) - Mirror symmetry and omalous bundles on complete intersection surfaces of general type ,

Talk at: COST Action MP1405 "Quantum Structure of Spacetime" III. Annual Workshop : Quantum Spacetime '18 ,

Sofia, 19 - 23 February,(2018).

- Special bundles and superstrings , Talk at:

The 25-th Conference on Applied and Industrial Mathematics - CAIM 2017 , Iasi, 14-17 September(2017).

- Freeness of arrangements and extendability of bundles , Talk at:

International Conference on Recent Trends in Pure and Applied Mathematics , Alba-Iulia, 31 July-4 August(2017).

- Freeness, extendability and arrangements , Talk at:

X. International Symposium: QUANTUM THEORY AND SYMMETRIES , Varna, 19-25 June(2017).

- A stable version of Terao conjecture , Talk at Mathematics-Informatics Colloquium, Curtea de Arges, 10-11 October
(2016).

- A problem connected with Terao conjecture , Talk at CAIM 2016, Craiova, 15-18 September
(2016).

- (0; 2)-Mirror symmetry on surfaces , Talk at Workshop for Young Researchers in Mathematics, Constanta, 19-22 May
(2016).

- Quantum sheaf cohomology on surfaces of general type , at ICTAMI, Alba Iulia, 17 September
(2015).

- Heegaard-Floer homology and cuspidal multiple planes , at Workshop for Young Researchers in Mathematics, Constanta, 21 May
(2015).

- Horrocks theory and applications , at Workshop for Young Researchers in Mathematics, Constanta, May
(2014).

- Geometry of the Sasakura bundle , at Locally free geometry seminars, Bucharest, September
(2013).

- Fukaya categories I-III , at Geometric methods in algebra and topology Seminar,

IMAR, November-December(2023).

- Mirror symmetry and knot homology II-IX , at Geometric methods in algebra and topology Seminar,

IMAR, September-November(2023).

- Motivic measures I-III , at Geometric methods in algebra and topology Seminar,

IMAR, May(2023).

- Immersed curves and Floer homology I-IV , at Geometric methods in algebra and topology Seminar,

IMAR, April-June(2023).

- Introduction to grid homology I-V , at Geometric methods in algebra and topology Seminar,

IMAR, Oct-Nov(2022).

- Mirror symmetry and knot homology (after Aganagic ICM 2022 talk) , at Geometric methods in algebra and topology Seminar,

IMAR, 25 August(2022).

- Grid diagrams and the Jones polynomial (after Droz and Wagner) I, II , at Geometric methods in algebra and topology Seminar,

IMAR, 21 June, 4 July(2022).

- On bigrading the symplectic Khovanov homology , at Geometric methods in algebra and topology Seminar,

IMAR, 1 April(2022).

- Khovanov versus symplectic link homology I, II , at Geometric methods in algebra and topology Seminar,

IMAR, 4&11 March(2022).

- Hilbert schemes and knot polynomials, at Geometric methods in algebra and topology Seminar,

IMAR, 25 February(2022).

- Cautis-Kamnitzer categorification I-IV, at Geometric methods in algebra and topology Seminar,

IMAR, November-December(2021).

- Khovanov-Rozansky homology IV: the HOMFLY polynomial, at Geometric methods in algebra and topology Seminar,

IMAR, 19 November(2021).

- Khovanov-Rozansky homology I-III: the P_n polynomial, at Geometric methods in algebra and topology Seminar,

IMAR, October-November(2021).

- Lectures on link homologies, at Geometric methods in algebra and topology Seminar,

IMAR, 24 September(2021).

- On the Kontsevich's graph complex, at Geometric methods in algebra and topology Seminar,

IMAR, 19 March(2021).

- Foliations and characteristic classes I-IV, at Geometric methods in algebra and topology Seminar,

IMAR, February-March(2021).

- Introduction to flat and Higgs bundles I-XV, at Geometric methods in algebra and topology Seminar,

IMAR, October 2020-April 2021(2020/2021).

- Braid group action on derived categories of coherent sheaves I-IV, at Geometric methods in algebra and topology Seminar,

IMAR, October-December(2020).

- Rozansky-Witten invariants revisited: Kapranov's viewpoint, at Geometric methods in algebra and topology Seminar,

IMAR, 30 July(2020).

- Gelfand-Fuks cohomology and Cheeger-Chern-Simons classes (Lectures on characteristic classes XXV), at Geometric methods in algebra and topology Seminar,

IMAR, 18 June(2020).

- Secondary invariants of (holomorphic/flat) vector bundles, (Lectures on characteristic classes XIX-XXIV), at Geometric methods in algebra and topology Seminar,

IMAR, March - June(2020).

- Hochschild cohomology and Atiyah classes I-VII, at Geometric methods in algebra and topology Seminar,

IMAR, November - March(2019-2020).

- Lectures on characteristic classes I-XVII, at Geometric methods in algebra and topology Seminar,

IMAR, October - March(2019-2020).

- Reidemeister torsion and the volume of hyperbolic knots, at Geometric methods in algebra and topology Seminar,

IMAR, 03 January(2020).

- On twisted Alexander polynomials, at Geometric methods in algebra and topology Seminar,

IMAR, 12 December(2019).

- Lie theory and algebraic geometry I-II, at Geometric methods in algebra and topology Seminar,

IMAR, October(2019).

- Atiyah class and Riemann-Roch type results I-III, at Geometric methods in algebra and topology Seminar,

IMAR, May(2019).

- Quivers and braid group actions on derived categories I-II, at Geometric methods in algebra and topology Seminar,

IMAR, 26 April, 10 May(2019).

- Hyperkahler categories I-XIV, at Geometric methods in algebra and topology Seminar,

IMAR, January- April(2019).

- Link invariants coming from algebraic geometry, at Geometric methods in algebra and topology Seminar,

IMAR, 21 December(2018).

- Hyperkähler geometry and low dimensional topology: Rozansky-Witten invariants XVI, at Geometric methods in algebra and topology Seminar,

IMAR, 14 December(2018).

- Derived categories in complex geometry and link invariants, at Topology Seminar,

IMAR, 14 December(2018).

- Hyperkähler geometry and low dimensional topology: Rozansky-Witten invariants XV, at Geometric methods in algebra and topology Seminar,

IMAR, 7 December(2018).

- Hyperkähler geometry and low dimensional topology: Rozansky-Witten invariants XIII, at Geometric methods in algebra and topology Seminar,

IMAR, 23 November(2018).

- Hyperkähler geometry and low dimensional topology: Rozansky-Witten invariants XII, at Geometric methods in algebra and topology Seminar,

IMAR, 23 November(2018).

- Hyperkähler geometry and low dimensional topology: Rozansky-Witten invariants X, at Geometric methods in algebra and topology Seminar,

IMAR, 9 November(2018).

- Hyperkähler geometry and low dimensional topology: Rozansky-Witten invariants IX, at Geometric methods in algebra and topology Seminar,

IMAR, 9 November(2018).

- Hyperkähler geometry and low dimensional topology: Rozansky-Witten invariants VII, at Geometric methods in algebra and topology Seminar,

IMAR, 2 November(2018).

- Hyperkähler geometry and low dimensional topology: Rozansky-Witten invariants VI, at Geometric methods in algebra and topology Seminar,

IMAR, 26 October(2018).

- Hyperkähler geometry and low dimensional topology: Rozansky-Witten invariants V, at Geometric methods in algebra and topology Seminar,

IMAR, 19 October(2018).

- Hyperkähler geometry and low dimensional topology: Rozansky-Witten invariants IV, at Geometric methods in algebra and topology Seminar,

IMAR, 05 October(2018).

- Hyperkähler geometry and low dimensional topology: Rozansky-Witten invariants III, at Geometric methods in algebra and topology Seminar,

IMAR, 05 October(2018).

- Hyperkähler geometry and low dimensional topology: Rozansky-Witten invariants II, at Geometric methods in algebra and topology Seminar,

IMAR, 28 September(2018).

- Hyperkähler geometry and low dimensional topology: Rozansky-Witten invariants I, at Geometric methods in algebra and topology Seminar,

IMAR, 28 September(2018).

- Braid group actions on derived categories of sheaves, at Geometric methods in algebra and topology Seminar,

IMAR, 13 July(2018).

- Higgs bundles and related topics VIII, at Geometric methods in algebra and topology Seminar,

IMAR, 11 May(2018).

- Higgs bundles and related topics VII, at Geometric methods in algebra and topology Seminar,

IMAR, 30 April(2018).

- Higgs bundles and related topics VI, at Geometric methods in algebra and topology Seminar,

IMAR, 27 April(2018).

- Higgs bundles and related topics V, at Geometric methods in algebra and topology Seminar,

IMAR, 20 April(2018).

- Higgs bundles and related topics IV, at Geometric methods in algebra and topology Seminar,

IMAR, 13 April(2018).

- Differential equations and hyperplane arrangements IV, at Geometric methods in algebra and topology Seminar,

IMAR, 4 April(2018).

- Higgs bundles and related topics III, at Geometric methods in algebra and topology Seminar,

IMAR, 30 March(2018).

- Higgs bundles and related topics II, at Geometric methods in algebra and topology Seminar,

IMAR, 26 March(2018).

- Higgs bundles and related topics, at Geometric methods in algebra and topology Seminar,

IMAR, 23 March(2018).

- Differential equations and hyperplane arrangements III, at Geometric methods in algebra and topology Seminar,

IMAR, 9 March(2018).

- Differential equations and hyperplane arrangements II, at Geometric methods in algebra and topology Seminar,

IMAR, 7 March(2018).

- Invariants of plane curves and representations of the braid group, at Geometric methods in algebra and topology Seminar,

IMAR, 5 January(2018).

- Differential equations and hyperplane arrangements, at Geometric methods in algebra and topology Seminar,

IMAR, 3 January(2018).

- Exceptional bundles associated to degenerations of surfaces (after P. Hacking), at Algebraic Geometry Seminar, IMAR, March
(2016).

- The BGG correspondence I&II, at Topology Seminar, IMAR, June
(2013).