جستجوی استاد راهنمای دانشگاهی

• Computational Complexity
• Graph Algorithms
• Distributed Algorithms
• +۶ مورد دیگر

Aris T. Pagourtzis is a Professor of Computer Science at the School of Electrical and Computer Engineering of the National Technical University of Athens (NTUA), where he also serves as the Head of the Computer Science Division. He is additionally a Lead Researcher at the Archimedes Research Center, Athena RC. His academic career includes positions at the University of Ioannina, the University of Liverpool, the ETH Zuerich, the University of Athens, and the Athens University of Economics and Business. Education: Diploma in Electrical Engineering (1989) and Ph.D. in Electrical and Computer Engineering (1999), both from the National Technical University of Athens Professor Pagourtzis's research spans multiple areas of theoretical computer science, with particular emphasis on computational complexity, graph algorithms, distributed algorithms, approximation algorithms, network algorithms, cryptography, and counting complexity. His work often bridges theoretical foundations with practical applications in network design, security protocols, and optimization problems. He has developed novel algorithms for problems ranging from community detection in networks to Byzantine fault-tolerant protocols and privacy-preserving voting systems. His recent publications show a continued focus on fundamental algorithmic problems while expanding into newer areas like temporal graph analysis, blockchain applications, and privacy-preserving technologies. There's a clear trend toward addressing real-world challenges through rigorous theoretical frameworks, particularly in distributed systems, secure computation, and optimization under constraints. Professor Pagourtzis has served on program and organizing committees for numerous theoretical computer science and cryptography conferences, co-chairing CIAC 2017 and FCT 2021. His research has received funding from diverse sources including US, UK, French, EU, and Greek national resources. He is actively involved in teaching both undergraduate and graduate courses at NTUA, including Algorithms and Complexity, Foundations of Computer Science, Computational Cryptography, and Network Algorithms and Complexity. He leads the Computation and Reasoning Laboratory (corelab) at NTUA, which focuses on theoretical computer science research.

Theodoulos Garefalakisمشاهده پروفایل

استاد

• Finite Field Theory
• Algorithmic Number Theory
• Cryptography
• +۱ مورد دیگر

Theodoulos Garefalakis is a Professor at the University of Crete , affiliated with the School of Theoretical Mathematics and the Department of Applied Mathematics . His research spans foundational and applied mathematics, focusing on finite fields and algorithmic number theory. Education: PhD, University of Toronto (2000) Research Interests include: Finite Field Theory (algebraic structures, arithmetic algorithms) Algorithmic Number Theory (computational methods, integer factorization) Cryptography (security protocols, encryption schemes) Coding Theory (error-correcting codes, data transmission)

• Aerospace Engineering
• Fluid Dynamics
• Aerodynamics
• +۳ مورد دیگر

Dimitrios Rozakis is an Assistant Professor of Mechanical and Aerospace Engineering. He is actively engaged in research and teaching at the College of Engineering, where he leads the Aerodynamics & Propulsion Laboratory . Education PhD in Aerospace Engineering, National Technical University of Athens (2012) MSc in Fluid Mechanics, University of Manchester (2008) Diploma in Mechanical Engineering, Aristotle University of Thessaloniki (2006) Research Interests His research spans computational and experimental aerodynamics , with particular emphasis on: Transonic and supersonic flows Flow control using plasma actuators Hypersonic boundary-layer transition Reduced-order modelling and machine-learning techniques Turbomachinery aerodynamics Recent work has focused on high-fidelity simulations of buffet phenomena, experimental investigations of plasma-based separation control, and the development of data-driven surrogate models for unsteady aerodynamic loads. Selected Scientific Awards ASME Best Paper Award (2020) European Research Council Starting Grant (2018) AIAA Young Investigator Award (2016) Students, Grants & Funding He currently supervises three PhD students—Maria Koutsogianni, Panagiotis Giannakakis, and Eleni Christoforou—working on projects funded by the ERC, Horizon Europe, and the Greek Secretariat for Research & Technology. Active grants include an ERC Starting Grant on “Physics-informed machine learning for unsteady aerodynamics” (€1.5 M) and a Horizon Europe project on “Green regional aircraft technologies” (€4.2 M). Laboratory & Collaborations He directs the Aerodynamics & Propulsion Laboratory , which houses low-speed and transonic wind tunnels, a Ludwieg-tube facility for short-duration hypersonic experiments, and a high-performance computing cluster (>2 000 CPU cores). Ongoing collaborations include the von Karman Institute, DLR, and ONERA.

• Mathematical Logic
• Model Theory
• Set Theory
• +۳ مورد دیگر

Ioannis Souldatos is an Assistant Professor in the Department of Mathematics at Aristotle University of Thessaloniki (since 2020). Previously, he held positions at the University of Detroit Mercy (Associate Professor, 2016–2020; Assistant Professor, 2011–2016) and Minnesota State University (Instructor, 2008–2011). He earned his PhD in Mathematics from UCLA (2008), focusing on Mathematical Logic under Prof. Greg Hjorth, with additional degrees including a Master's in Pure Mathematics (UCLA, 2004) and a Master's in Logic, Algorithms, and Computation (Athens, 2002). His research interests span Mathematical Logic, Model Theory, Set Theory, Infinitary Logics, and Abstract Elementary Classes. Notable work includes studies on Hanf numbers, maximal models, and cardinal characterizations in infinitary logics, often intersecting with set-theoretic methods and forcing axioms. He has supervised postdoctoral and postgraduate research projects on topics like descriptive set theory and the effects of set-theoretic assumptions on model properties. His publications frequently explore the boundaries of model existence, joint embedding properties, and the interplay between logic and set theory. Recent work includes contributions to the non-absoluteness of cardinal characterizations and Kurepa tree spectra in infinitary logics. He teaches courses in Mathematical Logic and Set Theory at AUTh.

Anna Pappaمشاهده پروفایل

استاد پژوهش

• Quantum Cryptography
• Quantum Communication
• Secure Multi-Party Computation
• +۳ مورد دیگر

Anna Pappa is an Emmy Noether Group Leader at the Electrical Engineering and Computer Science Department of Technical University Berlin, leading the Quantum Communication and Cryptography group funded by DFG since 2020. Previously, she held Marie Sklodowska-Curie Fellowships at the Dahlem Center for Complex Quantum Systems (Freie Universität Berlin) and University College London (UCL). Her research focuses on quantum protocols with provable security in realistic environments, quantum communication, cryptography, and secure multi-party computation. She has a PhD from Télécom Paristech and Paris Diderot, and earlier degrees from the National Technical University of Athens (NTUA). Key achievements include experimental plug-and-play quantum coin flipping, quantum network routing algorithms, and entanglement verification techniques resistant to dishonest participants. She has received notable awards such as the Emmy Noether Fellowship (DFG) and Google Anita Borg Memorial Scholarship. Pappa’s work bridges theoretical quantum computing with practical implementations, emphasizing security in quantum systems. Her academic career includes postdoctoral roles at the University of Edinburgh and UCL, alongside software engineering experience at Nokia-Siemens Networks. She has organized seminars on cryptography and quantum computing, and her teaching spans programming languages and cryptography courses at NTUA. Pappa actively participates in conferences like QPL, QCRYPT, and AQIS, contributing to both theoretical advancements and experimental validations in quantum information science.

• Automatic Control
• Mechatronics
• Systems Modeling
• +۴ مورد دیگر

Sultana Vasiliadou is an Assistant Professor at the Department of Industrial Design and Production, Faculty of Engineering, University of West Attica. Her academic career spans over two decades, with a focus on Automatic Control, Mechatronics, and the historical evolution of control systems. She has also contributed to interdisciplinary research bridging technology, mythology, and classical archaeology. Automation Engineering, Technological Educational Institute of Piraeus (1994) MSc in Information Engineering (Control Systems), City University of London (1998) PhD in Systems and Mathematical Modeling, City University of London (2003) Her research explores the application of control systems in thermonuclear fusion, biomedical data analysis, and the historical roots of automation in Ancient Greece. She authored educational books on Automatic Control and the History of Automata and is a board member of the Society for the Investigation of Ancient Greek and Byzantine Technology (EDAVyt). Her work integrates technical rigor with cultural and philosophical perspectives.

Bartzos Evangelosمشاهده پروفایل

پژوهشگر

• Algebraic Modeling
• Graph Rigidity
• Distance Geometry
• +۱ مورد دیگر

Evangelos Bartzos is a researcher affiliated with the ΕρΓΑ Lab , a collaborative unit under the AROMATH team (joint with INRIA Sophia-Antipolis ) and the ATHENA Research Center . He earned his PhD in Telecommunications and Informatics from the National and Kapodistrian University of Athens under Prof. Ioannis Z. Emiris, as part of the ARCADES Marie Skłodowska-Curie Innovative Training Network . Education: PhD in Telecommunications and Informatics (University of Athens) His research focuses on algebraic modeling , graph rigidity theory , and distance geometry . His work investigates the maximal number of graph embeddings under length constraints in Euclidean spaces and spheres, leveraging real and complex algebraic geometry to bridge theoretical bounds and practical applications in computational mathematics. The 13 publications in his profile span 2015–2023 and reveal a trajectory from early computational biology modeling to advanced rigidity theory research. Key trends include the use of multi-homogeneous Bézout bounds, hypergraph orientations, and algebraic systems to analyze minimally rigid graphs and their realizations across dimensions. Evangelos has participated in numerous conferences and workshops including ISSAC , CASC , and the French Computational Geometry Days , presenting results on rigidity bounds and geometric constraint systems. His collaborations extend to institutions in France (ENS Lyon, Université Lyon 1), Austria, and Russia, particularly through the HEVEA project’s isometric reduction research.

Andreas Philippouمشاهده پروفایل

استاد

• Probability Theory
• Statistics
• Distribution Theory
• +۴ مورد دیگر

Andreas Philippou is a distinguished academic and former Minister of Education in Cyprus. He holds a Ph.D. in Statistics from the University of Wisconsin-Madison. He served as Professor of Probability and Statistics at the University of Patras from 1980 to 2011 and became Professor Emeritus. He held leadership roles including Vice Rector at the University of Patras and President of the Technological Educational Institute of Lamia. In Cyprus, he was Minister of Education (1988–1990), where he established the University of Cyprus, and a Member of Parliament (1991–2001), contributing to education and cultural policies. His research focuses on probability distributions of order k, Fibonacci polynomials, and reliability engineering. Education: B.Sc. in Mathematics (University of Athens), M.Sc. and Ph.D. in Statistics (University of Wisconsin-Madison). Professional roles include faculty positions at multiple institutions, including Beirut University College and the University of Texas at El Paso. Research interests include distribution theory, Fibonacci applications, and statistical inference. He supervised five Ph.D. students and contributed to international conferences on Fibonacci numbers. Awards include the Grande Ufficiale of Italy and Fulbright Fellowship. His work on consecutive-k systems and run distributions has influenced reliability engineering. He edited proceedings on Fibonacci applications and reviewed over 450 papers for academic journals.

• Random Graphs
• Design and Average Case Analysis of Algorithms
• Evolutionary Dynamics on Graphs
• +۱ مورد دیگر

Raptopoulos Christoforos is an Assistant Professor at the Department of Mathematics of the University of Patras , Greece. His academic qualifications include a Ph.D. (2009), M.Sc. (2005), and B.Sc. (2002) in Computer Engineering & Informatics from the same university. His research focuses on Random Graphs , Design of Algorithms , and Evolutionary Dynamics on Networks , with applications spanning computer science, probability theory, and computational biology. Key contributions include work on temporal graph algorithms, network majority determination, and evolutionary processes on graphs. His teaching portfolio covers Discrete Mathematics , Numerical Solutions of Ordinary Differential Equations , and Data Structures at the undergraduate level, alongside Algorithm Analysis and Data Structures for the MSc in Computational and Analytical Statistics in Data Science. While no specific scientific awards are listed, his 35+ publications since 2004 in journals like Theoretical Computer Science and Journal of Computer and System Sciences highlight his prolific output. He has collaborated extensively with Paul Spirakis, Sotiris Nikoletseas, and George Mertzios.

Angelos Koutsianasمشاهده پروفایل

استادیار

• Arithmetic Geometry
• Computational Algebraic Number Theory
• Elliptic Curves
• +۵ مورد دیگر

Angelos Koutsianas is an Assistant Professor in the Department of Mathematics at the School of Science, Aristotle University of Thessaloniki, where he has been employed since November 2021. His office is located in the Main Building of the Faculty of Sciences, 3rd Floor, Room 17, with contact via email akoutsianas@math.auth.gr and phone +302310997916. His academic background includes: Ph.D. in Mathematics from Warwick University (2016) with thesis "Applications of S-unit Equations to the Arithmetic of Elliptic Curves" supervised by Prof. John Cremona B.Sc. in Mathematics from Ethnikon & Kapodistriakon Panepistimion Athinon (2012) Diploma in Electrical and Computer Engineering from National Technical University of Athens (2009) Dr. Koutsianas specializes in the intersection of theoretical and computational mathematics, with core expertise in Arithmetic Geometry and Algebraic Number Theory. His research focuses on algorithmic approaches to classical problems: Elliptic curves and rational points Diophantine equations and modular forms Galois representations Cryptographic applications His recent publications reveal a consistent emphasis on computational methods for solving number-theoretic problems, particularly concerning elliptic curves and Diophantine equations. Key contributions include algorithms for computing elliptic curves over number fields, analysis of Picard curves, and solutions to specialized Diophantine problems using modular techniques. No scientific awards are listed in the provided information. Dr. Koutsianas has held postdoctoral positions at the University of British Columbia, University of Piraeus, and Universitat Ulm. His current research is funded by the Special Account for Research Funds AUTH. No student advisement information is provided. He actively contributes to the academic community as co-organizer of the 3nd Greek Number Theory Meeting (Patras, December 2025) and is a member of the Section of Algebra, Number Theory and Mathematical Logic.

Michael A. Bekosمشاهده پروفایل

استادیار

• Theoretical Computer Science
• Discrete Mathematics
• Algorithms
• +۵ مورد دیگر

Michael A. Bekos is an Assistant Professor at the Department of Mathematics, University of Ioannina, Greece. He holds a PhD from the National Technical University of Athens (2009), and M.Sc. and B.Sc. from the University of Ioannina (2004 and 2002 respectively). His research focuses on theoretical computer science and discrete mathematics, particularly algorithms, graph drawing, graph theory, and information visualization. He has served as a postdoctoral fellow at the National Technical University of Athens and the University of Tübingen. Education: B.Sc. in Mathematics, University of Ioannina (1998-2002) M.Sc. in Computational Mathematics and Computer Science, University of Ioannina (2002-2004) Ph.D. in Computer Science and Discrete Mathematics, National Technical University of Athens (2004-2008) Research Interests: Development of algorithms for optimization and combinatorial problems in graph drawing, graph theory, information visualization, and map labeling. He has published extensively in journals and conferences, focusing on areas like planar graphs, queue layouts, and graph embeddings. Grants and Collaborations: Involved in organizing conferences (e.g., GD2023, WG2022) and guest editing special issues in journals like J. Graph Algorithms Appl. Collaborates with researchers globally, including on projects related to graph algorithms and visualization. Labs/Teams: Active in research groups at the University of Ioannina and previously at the University of Tübingen, focusing on advanced algorithmic topics and graph theory.

Nikolaos Leonardosمشاهده پروفایل

استادیار

• Computational Complexity Theory
• Communication Complexity
• Decision Tree Complexity
• +۵ مورد دیگر

Nikolaos Leonardos is an Assistant Professor at the Department of Information Technology and Computers, National Technical University of Athens (NTUA). His research focuses on computational complexity theory, cryptography, and blockchain security. He holds a PhD from Rutgers University (2012), an MLA in Logic and Algorithms from Greece (2005), and a Mechanical Engineering Diploma from NTUA (2001). Teaching includes undergraduate courses in Programming Techniques, Computability and Complexity, and Cryptography, as well as a postgraduate course on Number Theory and Cryptography. His work explores lower bounds for combinatorial models, discrete mathematics, and interdisciplinary applications in computational cryptography. No specific scientific awards or grants are listed in the provided information. He contributes to both undergraduate and graduate education in theoretical computer science and related fields.

Koutsianas Angelosمشاهده پروفایل

استادیار

• Arithmetic Geometry
• Computational Algebraic Number Theory
• Elliptic Curves
• +۵ مورد دیگر

Angelos Koutsianas is an Assistant Professor at the Department of Mathematics of Aristotle University of Thessaloniki, Greece, affiliated with the Section of Algebra, Number Theory and Mathematical Logic within the School of Science . His research focuses on Arithmetic Geometry, Computational Number Theory, Elliptic Curves, and Diophantine Equations, with applications in cryptography and modular forms. Education: PhD in Mathematics (2016), University of Warwick, UK. Doctoral Thesis: Applications of S-unit Equations to the Arithmetic of Elliptic Curves under Prof. John Cremona. Degree in Mathematics (2012), National and Kapodistrian University of Athens, Greece. Diploma in Electrical & Computer Engineering (2009), National Technical University of Athens, Greece. Professional Experience: Assistant Professor, AUTh (Nov 2021–present). Associate Researcher, Blaise Pascal Mathematics Laboratory (2020–2021). Postdoctoral Fellowships: University of British Columbia (2018–2020), University of Piraeus (2017–2018), Universitat Ulm (2016–2017). Research Trends: His work bridges theoretical arithmetic geometry with computational methods, addressing problems in elliptic curves, rational points, and Diophantine equations. Recent publications explore modular methods, conductor/discriminant calculations for Picard curves, and applications of S-unit equations. Grants & Activities: His research is funded by AUTh's Special Account for Research. Co-organizes the 2nd Greek Number Theory Meeting (2024). Active in international collaborations on computational number theory and arithmetic geometry.

Charalambous Charaمشاهده پروفایل

استاد

• Commutative Algebra
• Algebraic Geometry
• Toric Ideals
• +۵ مورد دیگر

Charalambous Chara is a Professor in the Department of Mathematics at Aristotle University of Thessaloniki (AUTH) since 2011. She earned her PhD in Mathematics from the University of Illinois at Urbana-Champaign (1990) and holds a BSc in Mathematics from AUTH (1984). Her research focuses on Commutative Algebra , with emphasis on Toric Ideals, Multigraded Modules, and Betti Numbers. She has held visiting positions at Brandeis University and Columbia University, and worked at the State University of New York at Albany (1990–2004). Her work is supported by grants from the US National Science Foundation (NSF), the Pythagoras program, and the EDBM103 program (NSRF). Her professional roles include serving as Dean of the Faculty of Sciences and Chair of the Department of Mathematics at AUTH. She has organized international/national conferences and workshops, and co-authored six textbooks. Her editorial roles include membership in the Bulletin of the Hellenic Mathematical Society. She has reviewed proposals for the NSF and prestigious journals, contributing to the field's academic rigor. Research highlights include over 30 peer-reviewed articles (>400 citations), with notable works on minimal generating sets of lattice ideals and topological constructions for multigraded modules. Her recent studies explore deformation theory, equivariant Hilbert series, and syzygies of polynomial rings.

Mihalis Kolountzakisمشاهده پروفایل

استاد

• Harmonic Analysis
• Additive Number Theory
• Combinatorics
• +۷ مورد دیگر

Mihalis Kolountzakis is Professor of Mathematics at the University of Crete, Greece, specializing in harmonic analysis, additive number theory, combinatorics, and tiling theory. Since 2006 he holds the rank of Professor in the Department of Mathematics and Applied Mathematics, after serving as Associate Professor from 2000–2006. He has also held visiting positions at Georgia Tech, UIUC, and the Institute for Advanced Study. Education PhD in Mathematics, Stanford University (1994) Graduate study in Mathematics, University of Crete (1988–1989) BSc in Computer Science, University of Crete (1984–1988) Research Interests His work centers on the interplay between Fourier analysis and discrete geometry. Major themes include: Tiling and spectral sets: investigating when a domain admits an orthogonal basis of exponentials (Fuglede’s conjecture) and studying translational tilings by functions and sets. Additive combinatorics & number theory: problems on sumsets, Sidon sets, and additive energy using probabilistic and harmonic-analytic methods. Discrepancy theory: distribution of points and line segments in checkerboard and geometric settings. Computational aspects: algorithms for deciding tiling properties, graph algorithms, and learning symmetric Boolean functions. Publications With over 100 refereed papers, his recent output (2022–2025) continues to advance tiling theory, spectral questions, and additive combinatorics, often combining analytic techniques with discrete methods. Teaching and Service He has taught a wide range of courses including Measure Theory, Harmonic Analysis, Probability, and Discrete Mathematics at both undergraduate and graduate levels. He served as Chair of the Department of Mathematics at the University of Crete during 2013. Contact Email: kolount@gmail.com Office: Γ-213, Department of Mathematics, University of Crete, 70013 Heraklion, Greece Phone: +30-2810393834