Talks and Workshops
51. Plenary talk in the Panel at the international conference INDRUM 2024 (5th Conference of the International Network for Didactic Research in University Mathematics): Specifics of mathematical practices in economics
50. Talk at the international conference INDRUM 2024 INDRUM 2024 (5th Conference of the International Network for Didactic Research in University Mathematics): Students' understanding of the scalar product at the entry to university – Comparison of desirable and actual associations
49. Talk in the minisymposium on Stoffdidaktik at the 57th annual conference of the German Society of Didactics of Mathematics: Potentials of Stoffdidaktik in university mathematics didactics (together with Erik Hanke)
48. Talk on the webseminar of the German Centre for University Mathematics Education (khdm) 2024: Development and implementation of questions to support the acquisition of an understanding of basic concepts of abstract algebra
47. Talk on the first INERME-conference (International Network on Educational Research on Mathematics in Economics) in 2024: How are differentials understood in economics?
46. Talk on the first INERME-conference (International Network on Educational Research on Mathematics in Economics) in 2024: Why should we pay special attention to economics students in mathematics education research
45. Talk at the STEM-seminar of the University of Tübingen 2023: Learning of Mathematics with video lectures – Potentials and students' pattern of use
44. Talk at the annual conference of the German mathematicians society 2023: Guided notes – A means for fostering students’ engagement in mathematics lectures without changing the whole mode of teaching (together with Anja Panse)
43. Talk in the Workshop "Mathematics in economics" at the University of Kassel 2023: How have mathematical competencies of university feshmen changed within the last decade? (together with Dr. Stefan Büchele)
42. Talk at the international conference CERME 13 (Congress of European Research in Mathematics Education): Usage of prerecorded mathematics lectures – Comparison of the intentions of an instructor with students' usage
41. Talk at the conference "The Teaching of Calculus Across Disciplines" 2023 in Bergen, Norway: What knowledge related to the derivative is commonly used in basic economics textbooks? – Selected results from a praxeological analysis
40. Reaction to the plenary talk by Rainer Voßkamp: Calculus in Mathematics for economists at the conference "The Teaching of Calculus Across Disciplines" 2023 in Bergen, Norway
39. Plenary talk at the topic working group "university mathematics education" of the German Society of Didactics of Mathematics 2023: Suporting conceptual understanding in abstract algebra with regular optional digital tests – Design and insights into students' usage (together with Alexander Unger)
38. Talk at the colloqioum for didactics of mathematics at the technical university of Brunswick 2022: Which understanding of the derivative do economics students need, and which understanding do they have?
37. Talk at the international congress INDRUM 2022 (4th Conference of the International Network for Didactic Research in University Mathematics):What are suitable positions for blanks in guided notes? – An investigation of students’ perspectives
36. Talk at the annual conference of the German mathematicians society 2022: Please mind the gap – How can the use of guided notes be supportive in mathematics lectures? (together with Anja Panse)
35. Talk in the minisymposium on mathematics lectures at the annual conference of the German mathematicians society 2022: Using a lecture-oriented flipped classroom in a proof-oriented Analysis I course (together with Luise Fehlinger)
34. Talk in the minisymposium on university mathematics education at the 56th annual conference of the German Society of Didactics of Mathematics 2022: How do students use regular optional digital tests on mathematical concepts? (together with Alexander Unger)
33. Talk im mathematics colloquium at the University of Paderborn 2022: The derivative in mathematics for economics students - Analyses on the required and the understanding actually acquired by the students
32. Talk at the day of the Centre for University Mathematics Education (khdm) in summer 2021: Flipped Classroom in Analysis I to support students' learning in mathematics lectures (together with Dr. Luise Fehlinger)
31. Talk in the minisymposium on university mathematics education at the 54th annual conference of the German Society of Didactics of Mathematics: Flipped Classroom in Analysis I to support students' learning in mathematics lectures (together with Dr. Luise Fehlinger)
30. Talk at the workshop "Mathematics for economics students" at the university of Kassel 2020: Investigations on students' understanding of the derivative in mathematics for economics students
29. Talk at the conference "Calculus in upper secondary and beginning university mathematics" in Kristiansand (Norwegen): Required knowledge of the derivative in economics – Results from a textbook analysis
28. Talk at the annual 53rd conference of the German Society of Didactics of Mathematics: "Now I can also think" – Note-taking in lectures based on guided notes (together with Anja Panse)
27. Talk at the international conference CERME 11 (Congress of European Research in Mathematics Education): Supporting the use of study skills in large mathematics service courses to enhance students’ success – one example (together with Prof. Hans-Michael Dietz)
26. Talk at the Hanse-Colloquium about University Mathematics Education 2017: Support for gaining conceptual understanding in large mathematics service courses
25. Talk at the Berlin-Brandenburg seminar of Mathematics and its Didactics at the Humboldt-University of Berlin: Which understanding of the derivative do students of economics need to have?
24. Talk at the Day of Mathematics 2018 at the Technical University of Berlin: Probability has nothing to do with geometry! – Or has it?
23. Talk at the conference INDRUM 2018 (2nd Conference of the International Network for Didactic Research in University Mathematics): C'(x)=C(x+1)-C(x) – Students' connections between the derivative and its economic interpretation in the context of marginal cost
22. Talk at the conference "Bridges to University: Orientation, qualification, support," at the MINT-College in Stuttgart: Support of students to develop conceptual knowledge in mathematics service courses
21. Minisymposium at the joint conference of the German Society of Didactics of Mathematics and the German Mathematics Society 2018: Mathematics in engineering and economics – Particular problems and possible solutions (together mit Prof. Rainer Voßkamp und Prof. Burkhard Alpers)
20. Talk at the joint conference of the German Society of Didactics of Mathematics and the German Mathematics Society 2018: Understanding of the derivative in the context of marginal cost in mathematics for students of economics
19. Talk the colloquium for University Didactics at the University of Paderborn: Methodological support of university freshmen – A course-integrated concept and its evaluation in the course "Mathematics for students of economics" (together with Prof. Hans-Michael Dietz)
18. Talk at the Hanse-Colloquium about University Mathematics Education 2017: Which knowledge of the derivative do students of economics need to have?
17. Talk at the 51st annual conference of the German Society of Didactics of Mathematics: Derivative and Approximation in mathematics for students of economics
16. Talk at the 51st annual conference of the German Society of Didactics of Mathematics: Conditions for success in promoting mathematical study skills in service courses (together with Prof. Hans-Michael Dietz)
15. Talk at the 51st annual conference of the German Society of Didactics of Mathematics: The vector concept at the transition from school to university (together with Tobias Mai und Prof. Rolf Biehler)
14. Talk at the international conference CERME 10 (Congress of European Research in Mathematics Education): Students' interpretation of the derivative in an economic context
13. Talk at the international conference CERME 10 (Congress of European Research in Mathematics Education): A vector is a line segment between two points? – Students' concept definitions of a vector during the transition from school to university (together with Tobias Mai und Prof. Rolf Biehler)
12. Talk at the Hanse-Colloquium about University Mathematics Education 2016: Understanding of the derivative concept by university freshmen in mathematics for students of economics
11. Talk at the international conference ICME-13 (International Congress on Mathematical Education): How do students of economics understand the concept of marginal cost?
10. Talk at the international conference INDRUM 2016 (First Conference of the International Network for Didactic Research in University Mathematics): Relevant knowledge concerning the derivative concept for students of economics – A normative point of view and students’ perspectives
9. Talk the university didactics conference DOSS (Dortmund Spring School for Academic Staff Developers): Methodological support in large mathematics service courses – Important activities for a successful implementation
8. Workshop at the 5th meeting of the working group "Mathematics in natural sciences" at the Technical University of Dresden: Methodological support for the development of mathematical study skills (together with Prof. Hans-Michael Dietz)
7. Poster presentation at the "Teaching day" at the University of Paderborn: Methodological support of university freshmen for the deveopment of mathematical study skills in the course "Mathematics for students of economics" (together with Prof. Hans-Michael Dietz)
6. Talk at the international conference Didactics of Mathematics in Higher Education as a Scientific Discipline in Hannover: What level of understanding of the derivative do students of economics have when entering university? – Results of a pretest covering important aspects of the derivative
5. Talk at the Hanse-Colloquium about University Mathematics Education 2015: Promotion of mathematical study skills in large mathematics service courses – a practical example
4. Talk at the 49th annual conference of the German Society of Didactics of Mathematics: Methodological support in Mathematics for Students of Economics – Chances und Difficulties
3. Talk at the 49th annual conference of the German Society of Didactics of Mathematics: The derivative as an amount change? – Different understanding of the concept in mathematics and economics
2. Poster presentation at the conference Mathematics in Undergraduate Study Programs: Challenges for Research and for the Dialogue between Mathematics and Didactics of Mathematics: The concept of marginal cost - One name for two different mathematical objects in mathematics and economics
1. Workshop at the University of Paderborn: Student oriented discussion of homework problems (together with Bianca Thiere)