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Home Mathematics and Informatics Съдържание на сп. “Математика и информатика”, 2025 г.

Сп. „Математика и информатика“, книжка 1/2025, година LXVIII

„Аз-буки“ от „Аз-буки“
04-04-2025
in Съдържание на сп. “Математика и информатика”, 2025 г.
A A

Applying Delaunay Triangulation in Olympiad Problems

Dragomir Grozev, Nevena Sybeva
Institute of Mathematics and Informatics
Bulgarian Academy of Sciences – Sofia (Bulgaria)

https://doi.org/10.53656/math2025-1-1-app

Abstract. Some fundamental properties of Delaunay triangulation are presented in this article. The construction of the triangulation described here has not been encountered by the authors in the known literature…

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A Note on a Generalized Dynamical System Occurs in Modelling ‘The Battle of the Sexes’: Chaos in Sociobiology

Nikolay Kyurkchiev1,2), Anton Iliev1), Vesselin Kyurkchiev1),
Angel Golev1), Todorka Terzieva1), Asen Rahnev1)
1)University of Plovdiv „Paisii Hilendarski“ (Bulgaria)
2)Institute of Mathematics and Informatics,
Bulgarian Academy of Sciences (Bulgaria)

https://doi.org/10.53656/math2025-1-2-ano

Abstract. In this paper, we propose a new system that occurs in modelling “the battle of the sexes” in evolutionary biology (Hofbauer & Sigmund 1988)…

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Apollonian Sphere and Properties of Stereographic Projection around the Lemoine Point

Vladislav Natchev
American College of Sofia (Bulgaria)

https://doi.org/10.53656/math2025-1-3-apo

Abstract. The definition and some of the properties of the Apollonian circle in the plane find their analogies in the Euclidean three-dimensional space. Thus, we manage to introduce a new concept in solid geometry that
we call an “Apollonian sphere”…

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Educational Resources for Studying Midsegment of Triangle and Trapezoid

Toni Chehlarova 1), Neda Chehlarova 2), Georgi Gachev 1)
1)Institute of Mathematics and Informatics,
Bulgarian Academy of Sciences (Bulgaria)
2)Institute of Robotics “St. Ap. and Gospeller Matthew”
Bulgarian Academy of Sciences (Bulgaria)

https://doi.org/10.53656/math2025-1-4-edu

Abstract. Some educational resources for teaching mathematics in the study of midsegments of triangles and trapezoids are described…

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Digital Competency Self-assessment of Computer Science Teachers in Bulgarian Secondary Schools

Ivaylo Staribratov, Muharem Mollov
University of Plovdiv Paisii Hilendarski – Plovdiv (Bulgaria)

https://doi.org/10.53656/math2025-1-5-dig

Abstract. This article presents a study on the self-assessment of digital competencies among computer science and IT teachers in Bulgarian secondary education…

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Utilizing Geographical Information System for Mapping Schools Distribution. Case Study: the 4th Lower Secondary in Florina City, Greece

Ilias Solakis, Irena Atanasova
South-West University “Neofit Rilski” – Blagoevgrad, (Bulgaria)

https://doi.org/10.53656/math2025-1-6-uti

Abstract. The Geographic Information System (GIS) is still a special tool for mapping schools, comprehending urban planning, and allocating educational resources…

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Addressing Data Literacy in Information Systems Education

Kalinka Kaloyanova1,2)
1)Faculty of Mathematics and Informatics Sofia University St. Kliment Ohridski (Bulgaria)
2)Institute of Mathematics and Informatics, Bulgarian Academy of Sciences (Bulgaria)

https://doi.org/10.53656/math2025-1-7-add

Abstract. Data literacy is essential in our data-driven society…

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Последни публикации

  • Сп. „Математика и информатика“, книжка 1/2025, година LXVIII
  • Годишно съдържание сп. „Математика и информатика“, том 67 (2024 г.)
  • Mathematics and Informatics, Number 6/2024, Volume 6
  • Mathematics and Informatics, Number 5/2024, Volume 6
  • Mathematics and Informatics, Number 4/2024, Volume 6
  • Mathematics and Informatics, Number 3/2024, Volume 6
  • Mathematics and Informatics, Number 2/2024, Volume 6
  • Mathematics and Informatics, Number 1/2024, Volume 67
  • Годишно съдържание сп. „Математика и информатика“, том 66 (2023 г.)
  • Сп. „Математика и информатика“, книжка 6/2023, година LXVI
  • Mathematics and Informatics, Number 5/2023, Volume 66
  • Mathematics and Informatics, Number 4/2023, Volume 66
  • Mathematics and Informatics, Number 3/2023, Volume 66
  • Mathematics and Informatics, Number 2/2023, Volume 66
  • Mathematics and Informatics, Number 1/2023, Volume 66
  • Annual Contents of Mathematics and Informatics, vol.65/ 2022
  • Mathematics and Informatics, Number 6/2022, Volume 65
  • Mathematics and Informatics, Number 5/2022, Volume 65
  • Mathematics and Informatics, Number 4/2022, Volume 65
  • Mathematics and Informatics, Number 3/2022, Volume 65
  • Mathematics and Informatics, Number 2/2022, Volume 65
  • Mathematics and Informatics, Number 1/2022, Volume 65

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