Graduate School of Applied Mathematics, Conference / Seminar

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Conference Paper (159)
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Recent Submissions

Efficient Batch Post-quantum Signatures with Crystals Dilithium Türe, Nazlı Deniz; Cenk, Murat (2025-01-01) Digital signatures ensure authenticity and secure communication. They are used to verify the integrity and authenticity of signed documents and are widely utilized in various fields such as information technologies, financ...
Weak Enforcement of Boundary Conditions for Maxwell’s Problem Using the Linked Lagrange Multiplier Method Codina, Ramon; Türk, Önder (2025-01-01) In this study, we propose a finite element approximation of Maxwell’s problem with the prescription of essential boundary conditions in a weak way that is based on a linked Lagrange multiplier approach. We consider an augm...
Distributed Verifiable Random Function with Compact Proof Ağırtaş, Ahmet Ramazan; Özer, Arda Buğra; Saygı, Zülfükar; Yayla, Oğuz (2025-01-01) Verifiable Random Functions (VRFs) are cryptographic primitives that generate unpredictable randomness along with proofs that are verifiable, a critical requirement for blockchain applications in decentralized finance, onl...
Compartment-Based and Hierarchical Threshold Delegated Verifiable Accountable Subgroup Multi-signatures Ağırtaş, Ahmet Ramazan; Yayla, Oğuz (2025-01-01) In this paper, we study the compartment-based and hierarchical delegation of signing power of the verifiable accountable subgroup multi-signature (vASM). ASM is a multi-signature in which the participants are accountable f...
Insurance Fraud Detection via Clustering-Based Fuzzy Classification On Noisy Unbalanced Datasets Koç, Oğuz; Başer, Furkan; Kestel, Sevtap Ayşe (2024-09-09) One of the most important challenges in overcoming the unsystematic risks in the insurance industry is fraud detection as the expenses associated with it can be disastrous, and can increase loading on reserves and premiums...
Assessing the applicability of the Actuaries Climate Index within weather derivatives framework Yavrum, Cem; Kestel, Sevtap Ayşe (2024-09-04) The global climate change has emerged as one of the most complex and pressing challenges confronting humanity. With the impact of climate change intensifying, a growing number of industries, such as agriculture, insurance,...
Analysis of the threshold dependence of degree related indices in weighted random graphs and complex networks Işlak, Ümit; Yıldırım Külekci, Bükre (2024-06-26)
Approximation of a Laplace-Steklov eigenvalue problem by finite and boundary element methods Türk, Önder (2024-01-11)
Design and Implementation of a Fast, Platform-Adaptive, AIS-20/31 Compliant PLL-Based True Random Number Generator on a Zynq 7020 SoC FPGA Yayla, Oğuz; Yılmaz, Yunus Emre (2024-01-01) Phase-locked loops (PLLs) integrated within field-program-mable gate arrays (FPGAs) or System-on-Chip FPGAs (SoCs) represent a promising approach for generating random numbers. Their widespread deployment, isolated functio...
Methods for Masking CRYSTALS-Kyber Against Side-Channel Attacks ÖZEREN, SILA; Yayla, Oğuz (2023-12-11)
Stop-loss reinsurance pricing and exposure curves under jump influence Mert, Özenç Murat; Kestel, Sevtap Ayşe (2023-12-07)
TIME DEPENDENT STOP-LOSS REIUNSURANCE AND EXPOSURE CURVES VIA STOCHASTIC JUMP DIFFUSION Mert, Özenç Murat; Kestel, Sevtap Ayşe (2023-07-07)
Life Insurance Valuation under Pandemic Risks: Covid-19 Yavrum, Cem; Kestel, Sevtap Ayşe (2023-07-06) The Covid-19 pandemic has changed the world, affecting almost every industry, including the insurance sector. Since health and life products considering epidemic risk will gain prominence in the future, insurance compan...
Time Varying Approach to Stochastic Reserve Prediction Akarsu, Gülçin; Kestel, Sevtap Ayşe (2023-07-04)
Verifiable Timed Commitments f or Fair Sealed-bid Auctions Ozden, Duygu; Yayla, Oğuz (2023-01-01) Timed commitment is a type of commitment scheme that allows the recipient to open the committed value in the future without needing a committer. It has found widespread use where 'time dependency' is essential. Fair contra...
PREDICTION OF HEART DISEASE USING CLASSIFICATION AND FEATURE SELECTION METHODS Akarçay Pervin, Özlem; Yapici Pehlivan, Nimet; Weber, Gerhard Wilhelm (2023-01-01) Heart disease, known as cardiovascular disease has been one of the main causes of death worldwide in recent years. It is affected by various risk factors such as high blood pressure, high cholesterol, diabetes, smoking, ob...
Improving Performance in Space-Hard Algorithms Güner, Hatice Kübra; Mangır, Ceyda; Yayla, Oğuz (2023-01-01) Protecting secret keys from malicious observers is a major problem for cryptographic algorithms in untrusted environments. White-box cryptography suggests hiding the key in the cipher code with an appropriate method such t...
Solving Optimal Control Problems Containing Uncertainty Yücel, Hamdullah; Çiloğlu, Pelin (2022-08-29)
A General Version of Carlet’s Construction of APN Functions Yayla, Oğuz; Acunalp Erleblebii, İlksen (2022-08-15)
Modeling the Dependency in the Turkish Stock Market via the Dynamic Vine-Garch Model Evkaya, Ozan; Poyraz, Gülden; Yıldırım Külekci, Bükre; Gür, İsmail (2022-07-15) The dependence on financial instruments has always been an interesting topic considering their economic and political effects. To measure the change in such instruments over time and interaction between them, the stock pr...

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