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- 2019 spring annual meeting of the KMS, Kangwon University, Chuncheon, Korea, 20 Apr, 2019.
- Colloquium at Ajou University, Suwon, South Korea, 19 Apr, 2019.
- Oberwolfach workshop on graph theory (7-11, Jan, 2019)
- Erdös-Pósa property of H-induced subdivisions [Slide]
- KSIAM conference (2-4, Nov, 2018)
- Ajou Combinatorics Workshop, 26, Oct, 2018
- 13th International Symposium on Parameterized and Exact Computation (IPEC) 2018 at Aalto University in Helsinki, Finland, 22-24, Aug, 2018.
- Invited talk at 2018 Combinatorics Workshop, SNU, Korea, 17-18, Aug, 2018.
- 2018 SIAM Discrete Math Conference, University of Colorado, Denver, USA, 4-8 June, 2018.
- Seminar at SUNY Korea, Incheon, South Korea, 1 June, 2018.
- 86th KPPY Combinatorics Workshop at Pusan National University, Pusan, South Korea, 4 May, 2018.
- Seminar at Hanyang University, Seoul, South Korea, 1 May, 2018.
- 2018 spring annual meeting of the KMS, Kyunghee University, Seoul, Korea, 21 Apr, 2018.
- Discrete Math Seminar at KAIST, 12 Jan, 2018.
- Erdös-Pósa property of chordless cycles and applications [Movie]
- Eurocomb 2017 at TU Vienna, Vienna, Austria, 31th Aug, 2017.
- Algorithms and Data Structures Symposium 2017 at Memorial Univ of Newfoundland, St. John’s, Canada. 31 July-2 Aug, 2017.
- Structure in Graphs and Matroids 2017 at Univ. of Waterloo, Waterloo, Canada, 19 July, 2017.
- ICALP satellite conference. Algorithms and Structure for Sparse Graphs at Univ. Warsaw, Warsaw, Poland, 16 July, 2017.
- Discrete Math Seminar at KAIST, 9 Jun, 2017.
- Seminar at TU Berlin, Berlin, Germany, 28 Apr, 2017.
- Graphes at Lyon, Lyon, France, 7 Apr, 2017.
- Acid Seminar at Durham University, Durham, UK, 27 Feb, 2017.
- Seminar at University of Warsaw, Warsay, Polland, 12 Jan, 2017.
- 14th KIAS Combinatorics Workshop Series at Busan, 19 Dec, 2016.
- 80th KPPY Combinatorics Workshop at Yeungnam Univ, Daegu, 17 Dec, 2016.
- Discrete Math Seminar at KAIST, 25 Nov, 2016.
- Colloquium talk on Methods for Discrete Structures in TU Berlin, Berlin, Germany, 24 Oct, 2016.
- SIWAG 2016 , Italy, 26 Sep, 2016.
- MFCS 2016 , Krakow, Polland, 22 Aug, 2016.
- WG 2016, Istanbul, Turkey, 22-24 June, 2016.
- Seminar at University of Bergen, Bergen, Norway, 27 May, 2016.
- Seminar at MTA SZTAKI, Budapest, Hungary, 5 May, 2016.
- A single-exponential fixed parameter algorithm for Distance-Hereditary Vertex Deletion [Presentation file]
- Seminar at TU Wien in Vienna, Austria, 14. Mar, 2016.
- Seminar at Masaryk University in Brno, Czech, 16 Nov, 2015.
- Seminar at MTA SZTAKI, Budapest, Hungary, 28 Oct, 2015.
- 7th workshop on Graph Classes, Optimization, and Width Parameters, Aussois, France, 12 Oct, 2015.
- Erdos-Posa property of planar-H-minor models with prescribed vertex sets
- 10th International Symposium on Parameterized and Exact Computation, Patras, Greece, 17 Sep, 2015.
- 10th International Symposium on Parameterized and Exact Computation, Patras, Greece, 16 Sep, 2015.
- An FPT algorithm and a polynomial kernel for linear rank-width one vertex deletion [Presentation file]
- Seminar at MTA SZTAKI, Budapest, Hungary , 29 Jul, 2015.
- Seminar at Korea University, Korea University, Seoul, Korea , 29 May, 2015.
- 2015 spring annual meeting of the KMS, Busan National University, Busan, Korea , 25 Apr, 2015.
- Seminar at KAIST, Daejeon, Korea , 15 Apr, 2015.
- Seminar at Bonn University, Bonn, Germany , 18 Feb, 2015.
- LIRMM Seminar, Montpellier, France , 22 Jan, 2015.
- International Workshop on Graph Decomposition, CIRM, Marseille, France , 22 Jan, 2015.
- KAIST Discrete Math Seminar , KAIST, Daejeon, Korea, 2 December, 2014.
- 66th KPPY Combinatorics Workshop , Yeungnam University, Daegu, Korea, 20 September, 2014.
- International Congress of Mathematicians, Seoul, Korea, 13-21 Augest, 2014.
- 9th International colloquium on graph theory and combinatorics, University Joseph Fourier, Grenoble, France, 30 June, 2014.
- 40th International Workshop on Graph-Theoretic Concepts in Computer Science, Le Domaine de Chales, near Orleans, France, 25-27 June, 2014.
- Linear rank-width of distance-hereditary graphs
- 2014 SIAM Discrete Math Conference, Hyatt Regency Minneapolis Minneapolis, Minnesota, USA, 18 June, 2014.
- The 4th KIAS Combinatorics Workshop, KIAS, Seoul, Korea , 30 May, 2014.
- 2014 spring annual meeting of the KMS, Wonju University, Gangneung, Korea , 25 Apr, 2014.
- 6th Workshop on GRAph Searching, Theory and Applications, Institut d’Etudes Scientifiques of Cargese, Corsica, France , 31 Mar 2014
- Seminar at Utrecht University in Utrecht, Utrecht University, Utrecht, Netherlands , 28 Feb 2014
- Dagstuhl seminar on Graph Modification Problems, Wadern, Germany 14 Feb 2014,
- Characterizing width two for variants of treewidth
- 12th Korea-Japan Workshop on Algebra and Combinatorics, KAIST, Daejeon , 23 Jan, 2014.
- Seminar at Hanyang University, Seoul , 29 Nov, 2013.
- Seminar at National Institute of Mathematical Sciences, Daejeon , 28 Nov, 2013.
- Kernelization in combinatorial optimization problems and the hierarchy of series-parallel graphs
- KPPY Combinatorics Workshop , Kyungbook University, Daegu , 9 Nov, 2013.
- Tree-like structure of distance-hereditary graphs
- 2013 annual meeting of the KMS, University of Seoul, Seoul , 25 Oct, 2013.
- Discrete Seminar at KAIST, Daejeon , 4 Oct, 2013.
- Visiting at University of Hamburg in Hamburg, Germany , 5 June, 2013.
- Unavoidable vertex-minors in large prime graphs
- Working Seminar on Formal Models, Discrete Structures, and Algorithms at Masaryk University in Brno, Czech , 20 May, 2013
- The 30th Symposium on Theoretical Aspects of Computer Science , Christian-Albrechts-Universitat zu Kiel, Kiel, Germany , 28 Feb, 2013.
- Excluded vertex-minors for graphs of linear rank-width at most k
- 2012 annual meeting of the KMS, Convention Center, Daejeon, 6 Oct, 2012.
- Seminar for graduate students in KAIST, Daejeon, 1 May, 2012.
- 2012 SIAM Discrete Math Conference, Dalhousie University, Halifax, Canada, 22 June, 2012.
- 5th workshop on Graph Classes, Optimization, and Width parameters, KAIST, Daejeon, 30 Oct, 2011.
- Pivot-minors and Vertex-minors of trees and paths
