>> Assistant Professor, Middle East Technical University, Dept. of Mathematics (Fall 2025-present)
Working on higher structures in geometry and physics.
Current research: Derived symplectic geometry and neighboring subjects.
>> Some previous pos.: Visiting Assistant Prof. at Bilkent University, Postdoc at the University of Zurich.
>> Ph.D. in Mathematics at METU (2021); B.S. in Mathematics with Minor in Physics at METU.
Publications and preprints [ See also: Research Tab | ResearchGate | CV ]
Shifted Symplectic Fibrations and Derived Thurston Theorem (2026), with M. Fırat Arıkan, Efe İzbudak. arXiv:2606.21717
AKSZ Construction for Shifted Contact Structures (2026), with Efe İzbudak. arXiv:2606.13866
Derived Legendrian Category for Shifted Contact Stacks (2026), with Efe İzbudak. arXiv:2605.13792
Equivariant Quotients of Derived Symplectic Spaces and Legendrian Intersection Theorem (2026)
(with Efe İzbudak), arXiv:2605.08394
On higher structures in mathematical physics (2026), J. Phys.: Conf. Ser. 3264 (2026) 012014
Introduction to derived contact geometry (2025), to appear in the Springer INdAM Series (SINDAMS, 70) Poisson Geometry and Mathematical Physics II.
Legendrian structures in derived geometry (2025). arXiv:2406.17416. (under review)
On shifted contact derived Artin stacks (2025), Higher Structures 9 (2): 103-135, 2025.
Stacks in Einstein Gravity, Turk J. of Math. (2024) Vol. 48: No. 4, Article 5.
Shifted contact structures and their local theory, Ann. Fac. Sci. Toulouse, Math., Serie 6, Vol. 33, No. 4 (2024), pp. 1019-1057. arXiv:2209.09686, Addendum (2025).
Derived geometric formulations in physics, Int. J. Geom. Methods in Mod. Phys. Vol. 19, No. 10 (2022). arXiv:1904.13331.
Euclidean polynomials for certain arithmetic progressions and the multiplicative group of F_p^2
(with F. Özbudak), Quaest. Math. 46 (7), 1283-1292, 2023.
Moduli theory, stacks, and 2-Yoneda’s Lemma (2020), arXiv:2202.06628.
Introduction to geometric quantization and Witten’s quantum invariant (2019). arXiv:1902.10813
(in Proceedings of the Workshop on Mathematical Topics in Quantization, Galatasaray University, 2018).
e-mail: berktav@metu.edu.tr
(or ilkerberktav@gmail.com)
Office: M125, Dept. of Mathematics,
Middle East Technical University, 06800 Çankaya/Ankara, Türkiye
Office Tel.: +90 (312) 210-5383