Expertise

  • Mathematics

    • Quadratic Form
    • Integer
    • Number
    • Spinor
  • Computer Science

    • Positive Integer
    • Positive Definite
    • Classes
    • Taxonomies

Organisations

Publications

2026

Counting integers that are the sums of three squares (2026)Mathematical Gazette (E-pub ahead of print/First online). Münkel, F., Pehlivan, L. & Williams, K. S.https://doi.org/10.1080/00255572.2025.2576362

2025

Students’ conceptions of double integral bounds: an APOS theory perspective (2025)International Journal of Mathematical Education in Science and Technology, 56(12), 2379-2401. Craig, T. S. & Pehlivan, L.https://doi.org/10.1080/0020739X.2025.2582624Explicit Values of Bernoulli Polynomials at Rational Numbers (2025)Journal of mathematical analysis and applications, 548(2). Article 129381. Münkel, F., Pehlivan, L. & Williams, K. S.https://doi.org/10.1016/j.jmaa.2025.129381Double integrals in engineering mathematics: Confusing region geometry with integrands (2025)In Proceedings of the 22nd SEFI Special Interest Group in Mathematics Seminar (pp. 180-186). Societe Europeenne pour la Formation des Ingenieurs (SEFI). Craig, T. S. & Pehlivan, L.Written plans and the challenges of self-regulation in vector calculus (2025)In Navigating the curves of undergraduate mathematics and statistics education: Meanjin Delta 2025 Proceedings: The 15th Southern Hemisphere Conference on the teaching and learning of undergraduate mathematics and statistics, 24–28 November 2025, Brisbane, Australia (pp. 2-13). Craig, T. S., Kula, F. & Pehlivan, L.

2021

Representation Numbers of Spinor Regular Ternary Quadratic Forms (2021)Integers, 21. Article A99. Aygin, Z. S., Doyle, G., Münkel, F., Pehlivan, L. & Williams, K. S.http://math.colgate.edu/~integers/vol21.html

Research profiles

Courses academic year 2026/2027

Courses in the current academic year are added at the moment they are finalised in the Osiris system. Therefore it is possible that the list is not yet complete for the whole academic year.

Courses academic year 2025/2026

Courses academic year 2024/2025

Address

University of Twente

Zilverling (building no. 11)
Hallenweg 19
7522 NH Enschede
Netherlands

Navigate to location

Organisations

Scan the QR code or
Download vCard