Tülay Ayyıldız
Assistant Professor
Department of Computer Engineering
Gebze Technical University
tulayayyildiz [at] gtu [dot] edu [dot] tr
Office phone: +90 262 650 2216
Computer Engineering Building, Room 232
Gebze Technical University
Gebze, Kocaeli, Türkiye
I am an applied mathematician in the Department of Computer Engineering at Gebze Technical University, Turkey, where I teach mathematics and theoretical computer science and lead research projects. I serve as Vice Chair of the department and as coordinator of the Cyber Security Graduate Program.
I lead the Istanbul node of the ALCYON Lab, where my research focuses on symbolic–numeric computation and optimization. We recently completed the TÜBİTAK-funded research project “Polyhedral Omega: Generalizations and Applications”.
I am a member of the GRANET Lab, where I collaborate with Didem Gözüpek on optimization and graph problems, and of NISLAB, where I am the principal investigator of the YÖK-funded ADEP cyber security project “Intelligent Detection and Defense Systems Against Phishing Attacks: Real-Time Detection and Response”, run with İbrahim Soğukpınar (Piri Reis University) and Arzu Kakışım (Yıldız Technical University).
In 2025 I received the Early Career Award of the Applications of Computer Algebra (ACA) conference. In August–September 2026 I was a visiting researcher in the Combinatorics and Optimization group at Sorbonne University, Paris, hosted by Elias Tsigaridas and supported by the PRESTIJ Research Fellowship of the Embassy of France in Türkiye.
My main research interest lies in developing efficient algorithms for symbolic–numeric computation involving polynomials, with applications in optimization, cryptology, real root certification, and positivity problems. My work combines the theory of symbolic and numeric computation, algorithm design, complexity analysis, and implementation, aiming to bridge theoretical insight with computational practice.