PhD Theses

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04/09/2024 - 15:49

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Cryptography

2023

Classification of Distinct Maximal Flag Codes of a Prescribed Type and Related Results, Z. Karakaş, PhD Thesis, Middle East Technical University, 2023
Some results on apn functions and weakly regular bent functions over finite fields, İ. Acunalp Erleblebici. PhD thesis, Middle East Technical University, 2023.
A Study on Space-Hard White-Box Cryptography, H.K. Güner. PhD thesis, Middle East Technical University, 2023.
Verifiable Timed Commitments Explored Timed Signature Schemes and an Application to Sealed-bid Auctions, D. Özden, PhD thesis, Middle East Technical University, 2023.
Faster Secure Matrix Multiplication Using the Strassen Algorithm, D. Öner Şimşek, PhD thesis, Middle East Technical University, 2023.
On Plateaued Functions, Linear Structures, Permutation Polynomials and c-Differential Uniformity, K. Kaytancı, PhD thesis, Middle East Technical University, 2023.
Differential and Linear Cryptanalysis of Lightweight Block Ciphers with MILP Approach, M.B. İlter, PhD thesis, Middle East Technical University, 2023.
Flexible hardware design for elliptic curve method of integer factorization, M.H. Solmaz, PhD thesis, Middle East Technical University, 2023.

2022

New Efficient Characteristic Three Polynomial Multiplication Algorithms and Their Applications to Ntru Prime, E. Yeniaras. PhD thesis, Middle East Technical University, 2022.
New Tmvp-Based Multiplication Algorithms for Polynomial Quotient Rings and Application to Post-Quantum Cryptography, P. Keskinkurt. PhD thesis, Middle East Technical University, 2022
Efficient Multivariate-Based Ring Signature Schemes, M. Demircioğlu, . PhD thesis, Middle East Technical University, 2022

2021:

Permutation Polynomials and Construction Of Bent Functions, P. Ongan. PhD thesis, Middle East Technical University, 2021.
A New Lightweight Statistical Randomness Test Suite and its Evaluation by Comparison with Other Test Suites, Z. Akcengiz. PhD thesis, Middle East Technical University, 2021.

2020:

Efficient Implementation of Lattice-based Schemes, Y. A. Bilgin. PhD thesis, Middle East Technical University, 2020.
Mathematical Countermeasures Against Implementation Attacks. P. Çomak. PhD thesis, Middle East Technical University, 2020.
High Performance Number Theoretic Transforms in Cryptography. M.E. Ulu. PhD thesis, Middle East Technical University, 2020.

2019:

Efficient Implementation Of Tmvp-Based Prime Field Multiplication and Its Applications to ECC. H.K. Taşkın. PhD thesis, Middle East Technical University, 2019.
Large Sparse Matrix-Vector Multiplication over Finite Fields. C. Mangır. PhD thesis, Middle East Technical University, 2019.

2018:

Constructions of Maximum Rank Distance Codes, Cyclic Constant Dimension Codes, and Subspace Packings. K. Otal. PhD thesis, Middle East Technical University, 2018.

2017:

Contributions on Plateaued (Vectorial) Functions for Symmetric Cryptography and Coding Theory. A. Sınak. PhD thesis, Middle East Technical University, 2017.
On Alltop Functions. F. Hamidli. PhD thesis, Middle East Technical University, 2017.
Faster residue multiplication modulo 521-bit mersenne prime and application to ECC. S. Ali. PhD thesis, Middle East Technical University, 2017.
Pairing Based Non-Repudiation Protocols in Cryptography. Ö. Sever. PhD thesis, Middle East Technical University, 2017.

2016:

On The Efficiency Of Lattice-Based Cryptographic Schemes On Graphical Processing Unit. Z. Yüce-Tok. PhD thesis, Middle East Technical University, 2016.
Sequence Families With Good Correlation Distribution. E. Tekin. PhD thesis, Middle East Technical University, 2016.
A Unified Evaluation of Statistical Randomness Tests and Experimental Analysis of Their Relations. O. Koçak. PhD thesis, Middle East Technical University, 2016.
On Verifiable Internet Voting Systems. K. Muş. PhD thesis, Middle East Technical University, 2016.
Randomness Properties of Some Vector Sequences Generated By Multivariate Polynomial Iterations. P. Balıkçıoğlu. PhD thesis, Middle East Technical University, 2016.
Secure Electronic Exam. T.L. Ölçüoğlu. PhD thesis, Middle East Technical University, 2016.
Server Notaries: A Complementary Approach to the Web PKI Trust Model. E. Yüce. PhD thesis, Middle East Technical University, 2016.

2015:

On Constructions and Enumeration of Bent and Semi-bent Functions. N. Koçak. PhD thesis, Middle East Technical University, 2015.

2014:

On Nonlinearity and Hamming Weight Preserving Bijective Mappings Acting on Boolean Functions, PhD in Cryptography. İ. Sertkaya. PhD thesis, Middle East Technical University, 2014.
On Obtaining Regular, Weakly Regular and Non-Weakly Regular Bent Functions over Finite Fields and Ring of Integers Modulo p^m, PhD in Cryptography. D. Çelik. PhD thesis, Middle East Technical University, 2014.
Improbable Differential Cryptanalysis. C. Tezcan. PhD thesis, Middle East Technical University, 2014.

2013:

FBGA Based Cryptography Computation Platform and the Basis Conversion in composite Finite Fields. M.R. Sial. PhD thesis, Middle East Technical University, 2013.
Security Analysis of Electronic Signature Applications and Test Suite Study. T. Ergun. PhD thesis, Middle East Technical University, 2013.
Analysis of Boolean Functions with Respect to Walsh Spectrum. E. Uyan. PhD thesis, Middle East Technical University, 2013.
On Secure Electronic Auction Process of Government Domestic Debt Securities in Turkey. A. Bektaş. PhD thesis, Middle East Technical University, 2013.
Hfe Based Multi-Variate Quadratic Cryptosystems And Dembowski Ostrom Polynomials. B. Alam. PhD thesis, Middle East Technical University, 2013.
On the Trace Based Public Key Cryptosystems Over Finite Fields. M. Ashraf. PhD thesis, Middle East Technical University, 2013.
Construction of Cryptographically Strong Boolean Functions Well Suited for Symmetric Cryptosystems. M.A. Khan. PhD thesis, Middle East Technical University, 2013.
Results On The Multiplication In Finite Fields Of Characteristic Three Using Modified Polynomial Representation And Normal Elements In Binary Fields. C. Özel. PhD thesis, Middle East Technical University, 2013.
Computing Cryptographic Properties of Boolean Functions From The Algebraic Normal Form Representation. Ç. Çalık. PhD thesis, Middle East Technical University, 2013.

2012:

Repeated-Root Cyclic Codes and Matrix Product Codes. H. Özadam. PhD thesis, Middle East Technical University, 2012.
On Provable Security of Some Public Key Encryption Schemes. T. Hanoymak. PhD thesis, Middle East Technical University, 2012.
Existence Problem Of Almost P-Ary Perfect And Nearly Perfect Sequences. C.C. Yıldırım. PhD thesis, Middle East Technical University, 2012.
Analysis Of Three Block Cipher Based Hash Functins: Whirlpool, Grøstl And Grindahl. R. İsmailova. PhD thesis, Middle East Technical University, 2012.

2011:

On Decoding Interleaved Reed-Solomon Codes. O. Yayla. PhD thesis, Middle East Technical University, 2011.

2010:

Elliptic Curve Pairing-Based Cryptography. B.B. Kırlar. PhD thesis, Middle East Technical University, 2010.
Some Generalized Multipartite Access Structures. K. Kaşkaloğlu. PhD thesis, Middle East Technical University, 2010.
On the Representation of Finite Fields. S. Akleylek. PhD thesis, Middle East Technical University, 2010.
Statistical Analysis of Block Ciphers and Hash Functions. F. Sulak. PhD thesis, Middle East Technical University, 2010.

2009:

Results on LCZ Sequences and Quadratic Forms. E. Saygı. PhD thesis, Middle East Technical University, 2009.

2008:

On Statistical Analysis of Synchronous Stream Ciphers. M.S. Turan. PhD thesis, Middle East Technical University, 2008.
Results on Complexity of Multiplication over Finite Fields. M. Cenk. PhD thesis, Middle East Technical University, 2008.
Results on Some Authentication Codes. E. Kurtaran. PhD thesis, Middle East Technical University, 2008.
Time Memory Trade Off Attack on Symmetric Ciphers. A.N. Saran. PhD thesis, Middle East Technical University, 2008.
Spectral Modular Multiplication. İ.H. Akın. PhD thesis, Middle East Technical University, 2008.

2007:

Constructions of Authentication Codes. Z. Saygı. PhD thesis, Middle East Technical University, 2007.
Verifiability and Receipt-Freeness in Cryptographic Voting Systems. O. Çetinkaya. PhD thesis, Middle East Technical University, 2007.

Financial Mathematics

2023

Option Pricing via Reinforcement Learning: Extensions and Further Insights on the Qlbs Model, A.U. Özsoy, PhD thesis, Middle East Technical University, 2023.
Markov-Chain Modulated Implied Liquidity: Modeling and Estimation, Ç. Yerli, PhD thesis, Middle East Technical University, 2023.
Modelling Mutual Interaction of Finance and Human Factor Via Various Sorts of Indices, B. Kalaycı, PhD thesis, Middle East Technical University, 2023.
A Hybrid Approach in Constructing an Internal Solvency Model, E. Hasgül, PhD thesis, Middle East Technical University, 2023.
Deep Ensembles Approach for Energy Forecasting, E. Onur, PhD thesis, Middle East Technical University, 2023.
Classification of Imbalanced Credit Data Sets with Borrower-Specific Cost-Sensitive Algorithms, Y. Yaman Kanmaz, PhD thesis, Middle East Technical University, 2023.

2022

Assessment Of Artificial Neural Network To Improve Hidden Markov Model For Financial Data, D. Aydoğan Kılıç. PhD thesis, Middle East Technical University, 2022.
Optimal Liquidation with Conditions on Minimum Price, M. Aksu. PhD thesis, Middle East Technical University, 2022.
Analytical Pricing Formula Under Three-State Regime-Switching Model, Ö. Tekin. PhD thesis, Middle East Technical University, 2022.
Stochastic Modeling of Stop-Loss Reinsurance and Exposure Curves Under Time Dependent Structure, Ö.M. Mert, PhD thesis, Middle East Technical University, 2022.

2021

Hybrid wavelet-neural network models for time series data. D. K. Kılıç. PhD thesis, Middle East Technical University, 2021.
Optimal Market Making Models in High-Frequency Trading. B. Aydoğan. PhD thesis, Middle East Technical University, 2021
Continuity Problem for Backward Stochastic Differential Equations with Singular Nonmarkovian Terminal Conditions and Random Terminal Times, S.S. Samuel. PhD thesis, Middle East Technical University, 2021

2020:

Backward Stochastic Differential Equations and Applications to Liquidity Risk. M. Ahmadi.PhD thesis, Middle East Technical University, 2020.
Analyses of Factors of Market Microstructure: Price Impact, Liquidity, and Volatility. A. Karasan. PhD thesis, Middle East Technical University, 2020.
Option Pricing in Interest Rate Derivatives. D. Küçüksaraç. PhD thesis, Middle East Technical University, 2020.

2019:

Housing Market Dynamics and Advances In Mortgages: Option Based Modeling and Hedging. B. Yılmaz. PhD thesis, Middle East Technical University, 2019.

2018:

Efficient Simulation and Modelling of Counterparty Credit Risk. A.A. Hekimoğlu. PhD thesis, Middle East Technical University, 2018.
Pricing Spread and Basket Options Under Markov-Modulated Models. S. Kozpınar. PhD thesis, Middle East Technical University, 2018.
Exit Probabilities of Constrained Simple Random Walks. K.D. Ünlü. PhD thesis, Middle East Technical University, 2018.
Exit Probabilities of Markov Modulated Constrained Random Walks. F.Başoğlu Kabran. PhD thesis, Middle East Technical University, 2018.
Modeling Interest Rates Moving in a Band. Ö. Özel. PhD thesis, Middle East Technical University, 2018.
Uncertainty Quantification of Parameters in Local Volatility Model via Frequentist, Bayesian and Stochastic Galerkin Methods. A. Animoku. PhD thesis, Middle East Technical University, 2018.
Multiscale Volatility Analysis via Malliavin Calculus. B.A. İnkaya. PhD thesis, Middle East Technical University, 2018.

2017:

Contributions to Runge–Kutta Scheme for Stochastic Optimal Control Problems. H.Ö. Bakan. PhD thesis, Middle East Technical University, 2017.
Advances in Optimal Control of Markov Regime–Switching Models with Applications in Finance and Economics. E. Savku. PhD thesis, Middle East Technical University, 2017.
Using Ultra High Frequency Data for Integrated Variance Estimation: Gathering Evidence on Market Microstructure Noise. İ.E. Kılıçkaya. PhD thesis, Middle East Technical University, 2017.

2016:

Modeling Illiquidity Premium and Bid-Ask Prices of the Financial Securities. A. Karimov. PhD thesis, Middle East Technical University, 2016.
A Regime Switching Model for the Temperature and Pricing Weather Derivatives. A. Türkvatan. PhD thesis, Middle East Technical University, 2016.
Financial Modelling with Random Bridge Signals and Forward Information. N.S. Aydın. PhD thesis, Middle East Technical University, 2016.
Modeling Temperature and Pricing Weather Derivatives Based on Temperature. B. Taştan. PhD thesis, Middle East Technical University, 2016.

2015:

Constant Proportion Portfolio Insurance in Defined-Contribution Pension Plan Management. B.Z. Temoçin. PhD thesis, Middle East Technical University, 2015.
Particle MCMC for a Time Changed Levy Process. A. Yüksel. PhD thesis, Middle East Technical University, 2015.
Pricing and Risk Minimizing Hedging Strategies for Multiple Life Unit Linked Insurance Policies using Constant Proportion Portfolio Insurance Approach. V. Jafarova. PhD thesis, Middle East Technical University, 2015.
Modeling Correlation Structure For Collateralized Debt Obligations and Determining the Underlying Credit Default Swap Spread Equations. D. İlalan. PhD thesis, Middle East Technical University, 2015.

2013:

Early-Warning on Stock Market Bubbles Via Methods of Optimization, Inverse Problems and Clustering. E. Kürüm. PhD thesis, Middle East Technical University, 2013.
A Multi-Period Stochastic Portfolio Optimization and Hedging Model Applied for the Aviation Sector in EU ETS. E. Kalaycı. PhD thesis, Middle East Technical University, 2013.

2012:

Risk Measurement, Management And Option Pricing via a New Log-Normal Sum Approximation Method. S. Zeytun. PhD thesis, Middle East Technical University, 2012.

2011:

Stochastic Modeling of Electricity Markets. İ. Yıldırım. PhD thesis, Middle East Technical University, 2011.
Continuous Time Mean Variance Optimal Portfolios. Ö.S. Alp. PhD thesis, Middle East Technical University, 2011.

2010:

Pricing and Hedging of Constant Proportion Debt Obligations. A.İ. Çekiç. PhD thesis, Middle East Technical University, 2010.

Scientific Computing

2023

Stochastic Discontinuous Galerkin Methods for PDE-Based Models with Random Coefficients, P. Ciloğlu. PhD thesis, Middle East Technical University, 2023.

2022

Stabilized Finite Element Simulations of Multispecies Inviscid Hypersonic Flows in Thermochemical Nonequilibrium, S. Cengizci. PhD thesis, Middle East Technical University, 2022.
Reduced-Order Modeling of Cross-Diffusion Systems, G. Mülayim. PhD thesis, Middle East Technical University, 2022.

2021

Reduced-Order Modelling of Shallow Water Equations, S. Yıldız. PhD thesis, Middle East Technical University, 2021.

2018:

Adaptive Multivariate Solution Schemes for Inverse Electrocardiography Problem. Ö.N. Onak. PhD thesis, Middle East Technical University, 2018.
Optimal Control in Fluid Flow Problems with POD Applications to FEM Solution. C. Evcin. PhD thesis, Middle East Technical University, 2018.

2017:

Optimal Control and Reduced Order Modelling of FitzHugh-Nagumo Equation. T. Küçükseyhan. PhD thesis, Middle East Technical University, 2017.

2015:

Discontinuous Galerkin Finite Elements Method with Structure Preserving Time Integrators for Gradient Flow Equations. A. Sarıaydın. PhD thesis, Middle East Technical University, 2015.
Local Improvements to Reduced-Order Approximations of PDE-Constrained Optimization Problems. T. Akman. PhD thesis, Middle East Technical University, 2015.
Electricity Market Modeling Using Stochastic and Robust Optimization. M.H. Aslan. PhD thesis, Middle East Technical University, 2015.
Advances in Robust Identification of Spline Models and Networks by Robust Conic Optimization with Applications to Different Sectors. A. Özmen. PhD thesis, Middle East Technical University, 2015.

2014:

DRBEM Applications in Fluid Dynamics Problems and DQM Solutions of Hyperbolic Equations. B. Pekmen. PhD thesis, Middle East Technical University, 2014.

2013:

Modeling Stochastic Hybrid Systems With Memory With an Application to Immune Response of Cancer. N. Gökgöz. PhD thesis, Middle East Technical University, 2013.
FEM Solutions of Magnetohydrodynamic and Biomagnetic Fluid Flows in Channels. Ö. Türk. PhD thesis, Middle East Technical University, 2013.
Refinements, Extensions and Modern Applications of CMARS by Advanced Methods of Applied Mathematics and Statistics. F.Y. Öztürk. PhD thesis, Middle East Technical University, 2013.

2012:

Adaptive discontinuous Galerkin methods for convection dominated optimal control problems. H. Yücel. PhD thesis, Middle East Technical University, 2012.

2011:

An Extension to the Variational Iteration Method for System and Higher-Order Differential Equations. D. Altıntan. PhD thesis, Middle East Technical University, 2011.
Neural Networks with Piecewise Constant Argument and Impact Activation. E. Yılmaz. PhD thesis, Middle East Technical University, 2011.

2010:

New Approaches to Desirability Functions by Nonsmooth and Nonlinear Optimization. B. Akteke-Öztürk. PhD thesis, Middle East Technical University, 2010.

2009:

The Dual Reciprocity Boundary Element Method Solution of Fluid Flow Problems. S. Gümgüm. PhD thesis, Middle East Technical University, 2009.

2008:

The Finite Element Method Over a Simple Stabilizing Grid Applied to Fluid Flow Problems. S.H. Aydın. PhD thesis, Middle East Technical University, 2008.
Cooperative Interval Games. S.Z. Alparslan-Gök. PhD thesis, Middle East Technical University, 2008.
A Mathematical Contribution of Statistical Learning and Continuous Optimization Using Infinite and Semi-Infinite Programming, to Computational Statistics. S. Özöğür. PhD thesis, Middle East Technical University, 2008.

Theses & Term Projects

Last Updated:

Cryptography

Financial Mathematics

Scientific Computing