Benjamin Hackl

Science to Science

  1. 02/2024 Ordered Trees and $k_t$-Dyck Paths. 1st Annual Klagenfurt Combinatorics Day. Klagenfurt (Austria), 05.02.2024.
  2. 09/2023 Extracting Coefficient Diagonals of Rational Multivariate Generating Functions in SageMath. Meeting of the Austrian Mathematical Society 2023. Graz (Austria), 19.09.2023.
    Slides
  3. 07/2023 Rigorous analytic combinatorics in several variables in SageMath. 35th International Conference on Formal Power Series and Algebraic Combinatorics. Davis, CA (USA), 21.07.2023.
    Slides Interactive Worksheet
  4. 07/2023 Asymptotic Expansions and the AsymptoticRing. Sage Days 120. Virtual Meeting (Online), 19.07.2023.
    Interactive Worksheet Source Files
  5. 06/2023 Rigorous Asymptotic Expansions and Analytic Combinatorics in Several Variables in SageMath. 34th International Meeting on Probabilistic, Combinatorial and Asymptotic Methods for the Analysis of Algorithms (AofA2023). Academia Sinica, Taipei (Taiwan), 29.06.2023.
    Slides Live Demo Worksheets
  6. 05/2023 Uncovering a Random Tree with Generating Functions. Research Seminar of Algebra and Number Theory Research Group. University of Graz (Austria), 24.05.2023.
  7. 11/2022 Asymptotic Expansions in SageMath. Workshop on Analytic and Probabilistc Combinatorics. Banff International Research Station (BIRS) (Canada), 17.11.2022.
    Slides SageMath Worksheet Recording
  8. 06/2022 From cutting trees to maintaining FAIR software. Colloquium. Graz University (Austria), 27.06.2022.
    Slides
  9. 06/2022 Uncovering a Random Tree. 33rd International Conference on Probabilistic, Combinatorial and Asymptotic Methods for the Analysis of Algorithms. Philadelphia, PA (USA), 20.06.2022.
    Slides
  10. 03/2022 Hands-On Workshop: Mathematical Animations with Manim. Pedagogical Seminar. Lund University (Sweden), 03.03.2022.
    Slides
  11. 10/2021 Hands-On Workshop: Mathematical Animations with Manim. Probability, Statistics and Combinatorics Seminar. Uppsala University (Sweden), 07.10.2021.
    Slides
  12. 08/2021 Exploring Down-Step Sequences in Generalized Dyck Paths. SIAM Conference on Applied Algebraic Geometry (AG21). Virtual Conference (Online), 17.08.2021.
    Slides
  13. 05/2021 Combinatorial aspects of flip-sorting and pop-stacked permutations. Probability, Statistics and Combinatorics Seminar. Uppsala University (Sweden), 20.05.2021.
    Slides
  14. 12/2019 Lessons Learned from Cutting Trees. SFB-Statusseminar: Seminar of the special research program Algorithmic and Enumerative Combinatorics. Strobl (Austria), 10.12.2019.
    Slides Slides (SageMath)
  15. 09/2019 Flip-Sorting and Step-Changing Lattice Walks, or: Asymptotic Counting and Analytic Properties via Algebraic Classification. Kolloquium (Alpen-Adria-Universität Klagenfurt). Klagenfurt (Austria), 11.09.2019.
    Slides
  16. 06/2019 On d-ary trees with restricted colorings. 30th International Meeting on Probabilistic, Combinatorial and Asymptotic Methods for the Analysis of Algorithms. CIRM, Luminy (France), 27.06.2019.
    Slides
  17. 06/2019 Cutting Down and Growing Trees. Probability, Statistics and Combinatorics Seminar. Uppsala University (Sweden), 05.06.2019.
    Slides Slides (SageMath)
  18. 05/2019 Cutting Down and Growing Trees. Seminar on Algebra and Discrete Mathematics. Johannes Kepler University Linz (Austria), 09.05.2019.
    Slides Slides (SageMath)
  19. 02/2019 From Touchard to Growing Trees and Lattice Paths. Helmut Prodinger's 65th Birthday Workshop. Stellenbosch University (South Africa), 27.02.2019.
    Slides
  20. 01/2019 Reducing Simply Generated Trees by Iterative Leaf Cutting. Analytic Algorithmics and Combinatorics (ANALCO19). San Diego, CA (USA), 06.01.2019.
    Slides
  21. 07/2018 Iterative Cutting of Non-Catalan Trees. Colloquium (Alpen-Adria-Universität Klagenfurt). Klagenfurt (Austria), 17.07.2018.
    Slides
  22. 06/2018 Counting Ascents in Generalized Dyck Paths. 29th International Conference on Probabilistic, Combinatorial and Asymptotic Methods for the Analysis of Algorithms. Uppsala (Sweden), 29.06.2018.
    Slides
  23. 05/2018 Asymptotic Analysis of Shape Parameters of Trees and Lattice Paths. Defense of PhD Thesis. Klagenfurt (Austria), 30.05.2018.
    Slides
  24. 05/2018 Cutting Down and Growing Trees. Closing of the Karl-Popper-Kolleg. Klagenfurt (Austria), 28.05.2018.
    Slides
  25. 02/2018 Ascents of Non-Negative Lattice Paths. Colloquium (Stellenbosch University). Stellenbosch (South Africa), 14.02.2018.
    Slides
  26. 07/2017 Analysis of Growth Processes for Plane Trees. Seminar on Analytic Combinatorics (Purdue University). West Lafayette, IN (USA), 07.07.2017, 10.07.2017.
    Lecture notes (part 1) Lecture notes (part 2) SageMath worksheet
  27. 06/2017 Growing and Destroying Classes of Plane Trees. 28th International Conference on Probabilistic, Combinatorial and Asymptotic Methods for the Analysis of Algorithms. Princeton, NJ (USA), 23.06.2017.
    Slides
  28. 05/2017 Coordination of exercise sessions. Summer School: Techniques in Random Discrete Structures. Athens (Greece), 22.05.2017—27.05.2017.
    Exercise Overview
  29. 04/2017 On Reductions of Plane Trees. Colloquium (Stellenbosch University). Stellenbosch (South Africa), 07.04.2017.
    Slides
  30. 01/2017 Iterative Cutting and Pruning of Planar Trees. 14th Workshop on Analytic Algorithmics and Combinatorics (ANALCO). Barcelona (Spain), 16.01.2017.
    Slides
  31. 01/2017 Growing and Cutting Down Rooted Plane Trees. DK Seminar of the Karl-Popper-Kolleg. Klagenfurt (Austria), 11.01.2017.
    Slides
  32. 08/2016 On Reductions of Rooted Plane Trees. 3rd Algorithmic and Enumerative Combinatorics Summer School 2016 (AEC 2016). Hagenberg (Austria), 01.08.2016.
    Slides
  33. 07/2016 The Register Function and Reductions of Binary Trees and Lattice Paths. 27th International Conference on Probabilistic, Combinatorial and Asymptotic Methods for the Analysis of Algorithms. Krakow (Poland), 08.07.2016.
    Slides
  34. 03/2016 On a Reduction of Lattice Paths. Colloquium (Stellenbosch University). Stellenbosch (South Africa), 04.03.2016.
    Slides
  35. 01/2016 On a Reduction of Lattice Paths. DK Seminar of the Karl-Popper-Kolleg. Klagenfurt (Austria), 13.01.2016.
  36. 06/2015 Asymptotic Analysis of Lattice Paths and Related Structures. DK Seminar of the Karl-Popper-Kolleg. Klagenfurt (Austria), 24.06.2015.

Science to Public

  1. 11/2023 Eine mathematische Wanderung von Königsberg bis zum Haus-vom-Ni-ko-laus. Young Science ambassador school workshop. BRG Steyr (Austria), 24.11.2023.
    School report (german)
  2. 06/2023 Eine mathematische Wanderung von Königsberg bis zum Haus-vom-Ni-ko-laus. Young Science ambassador school workshop. BG/BRG Villach St. Martin (Austria), 21.06.2023.
    School report (german)
  3. 03/2023 Eine mathematische Wanderung von Königsberg bis zum Haus-vom-Ni-ko-laus. Young Science ambassador school workshop. Mittelschule Langenwang (Austria), 06.03.2023.
  4. 02/2023 Eine mathematische Wanderung von Königsberg bis zum Haus-vom-Ni-ko-laus. Young Science ambassador school workshop. BG/BRG Weiz (Austria), 16.02.2023.
    School report (german)
  5. 12/2022 Eine mathematische Wanderung von Königsberg bis zum Haus-vom-Ni-ko-laus. Young Science ambassador school workshop. Gymnasium Maria Regina Wien (Online), 22.12.2022.
  6. 07/2022 The Magic of Self-Correcting Messages. Scientific & Technological Workshop for Ukrainian Youth. University of Klagenfurt (Austria), 21.07.2022.
  7. 02/2022 Eine mathematische Wanderung von Königsberg bis zum Haus-vom-Ni-ko-laus. Young Science ambassador school workshop. Stiftsgymnasium Melk (Online), 04.02.2022.
  8. 12/2021 Eine mathematische Wanderung von Königsberg bis zum Haus-vom-Ni-ko-laus. Young Science ambassador school workshop. Khevenhüller Gymnasium Linz (Online), 21.12.2021.
  9. 09/2019 Moderne Erstellung von Schularbeiten und Vorwissenschaftlichen Arbeiten mit LaTeX. Komm MIT 2019 -- 2. Tag der Mathematik und Informatik. Klagenfurt (Austria), 27.09.2019.
    Slides (german)
  10. 09/2019 VWA-Workshop: Codierungstheorie. Komm MIT 2019 -- 2. Tag der Mathematik und Informatik. Klagenfurt (Austria), 27.09.2019.
    Slides (german)
  11. 06/2019 Wie -- und was -- kann man abzählen, ohne zu zählen?. Mathematics workshop for winners of the Austrian Känguru competition. Klagenfurt (Austria), 17.06.2019.
    Slides (german)
  12. 03/2019 Von Büchern, Tauben und den Türmen von Hanoi: Ein Streifzug durch die Nichtschulmathematik. Workshops for all 10th-graders of Bundesrealgymnasium Klagenfurt-Viktring, together with Roswitha Rissner. Klagenfurt (Austria), 20.03.2019, 25.03.2019.
    Slides (german) Exercises (german) Solution to the Exercises (german)
  13. 12/2018 Was steckt hinter dem „Haus vom Nikolaus“?. Talk for the pupils from the BG/BRG für Slowenen. Klagenfurt (Austria), 20.12.2018.
    Slides (german)
  14. 10/2018 Von Büchern, Tauben und den Türmen von Hanoi: Ein Streifzug durch die Nichtschulmathematik. Workshops for all 11th-graders of Bundesrealgymnasium Klagenfurt-Viktring. Klagenfurt (Austria), 11.10.2018, 12.10.2018.
    Slides (german) Exercises (german)
  15. 06/2017 Die Symbolische Methode, Oder: Wie Funktionen beim Zählen helfen können. School talk in front of all 11th-graders of Bundesrealgymnasium Klagenfurt-Viktring. Klagenfurt (Austria), 14.06.2017.
    Slides (german)
  16. 09/2016 Die Symbolische Methode, Oder: Wie Funktionen beim Zählen helfen können. Invited talk in the mathematics seminar of the Dr. Hans Riegel foundation. Bonn (Germany), 25.09.2016.
    Slides (german) Exercises (german)
  17. 12/2015 Warum Ordnung ganz schön schwer ist: Von Springern und Tierheimen. Technik LIVE 2015. Klagenfurt (Austria), 18.12.2015.
    Slides (german)