International Speakers

Prof. Dr. Nicolas Privault is a Professor in the Division of Mathematical Sciences, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore. His research focuses on  probability, stochastic analysis, and mathematical finance, with contributions to stochastic processes, stochastic calculus, Malliavin calculus, jump processes, stochastic differential equations, financial modelling, and probabilistic numerical methods. His recent works also connect stochastic analysis with areas such as partial differential equations, random graphs, Hawkes processes, and computational finance, showing the broad applicability of probability theory in both theoretical and applied problems.

Prof. Seok-Won Lee is a Full Professor in the Department of Software and Computer Engineering at Ajou University, South Korea. His research focuses on software engineering, artificial intelligence, information assurance, requirements engineering, ontology-based software engineering, domain modeling, and knowledge engineering. His work contributes to the development of reliable and intelligent software systems, particularly through the integration of AI, knowledge-based systems, and software assurance methods to support secure, trustworthy, and high-quality software development.

Prof. Kim Jai-Hoon is affiliated with the Department of Computer Engineering and the Department of Cyber Security at Ajou University, South Korea. His research focuses on distributed systems, mobile computing, blockchain, and cybersecurity-related computing technologies. His expertise is relevant to the development of secure and scalable digital systems, particularly in areas where distributed infrastructure, mobile platforms, and blockchain-based mechanisms are used to support trustworthy computing, data security, and modern cyber-physical services.

Prof. Dr. José Luís da Silva is an Associate Professor of Mathematics at the University of Madeira, Portugal, and a researcher affiliated with the Centre for Mathematics and Applications. His research focuses on stochastic analysis, infinite-dimensional analysis, white noise analysis, stochastic processes, fractional Brownian motion, stochastic differential equations, stochastic heat equations, and generalized functions. His work contributes to the theoretical development of probability and stochastic modelling, particularly through the study of stochastic equations, functional integration, local times, and applications of stochastic methods in mathematical physics and related fields

Prof. Shakir Ali is a Professor in the Department of Mathematics, Aligarh Muslim University, India. His research focuses on  algebra, particularly *associative rings, derivations, -rings, near-rings, functional identities, Banach algebras, operator algebras, and applications of ring theory in cryptography and coding theory . His work contributes to the development of modern algebraic structures and their applications in cryptography, especially by exploring how properties of rings and algebraic systems can support secure mathematical foundations for information security and coding-based methods.

Dr. Prastudy Mungkas Fauzi is a Research Fellow at the NTU SCRIPTS Centre, Nanyang Technological University, Singapore. His research focuses on privacy-preserving technologies, particularly post-quantum cryptographypairing-based cryptography, and broader areas of cryptography, security, and privacy. His work is closely related to the development of secure cryptographic protocols that remain reliable in modern and future digital environments, including systems that require strong privacy protection and resistance against emerging quantum-computing threats.


Dr. Nankun Hong is affiliated with the School of Mathematical Sciences, Anhui University, China. His research is mainly in  number theory and combinatorics, especially the theory of integer partitions, partition ranks and cranks, Ramanujan-type identities, mock theta functions, and congruences for partition statistics. His work contributes to the development of modern partition theory by extending classical results related to Ramanujan, Andrews, Beck, and Dyson, particularly through the study of rank-generating functions and modular congruences.

Dr. Zhu Tianming is an Assistant Professor in the Mathematics and Mathematics Education Academic Group at the National Institute of Education, Nanyang Technological University, Singapore. She received her Ph.D. in Statistics from the National University of Singapore. Her research focuses on  statistical inference, particularly hypothesis testing for high-dimensional data  and multivariate functional data. Her work also extends to supervised classification for functional data, synthetic tabular data generation using GANs and VAE, anomaly detection using autoencoders, and brain MRI classification, showing a strong connection between modern statistics, data science, artificial intelligence, and biomedical applications.


Frederic Ezerman, Ph.D. is a Senior Lecturer in the Division of Mathematical Sciences, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore. His research interests are mainly in  coding theory, cryptology, quantum-secure cryptography, quantum codes, de Bruijn sequences, discrete mathematics, and algebraic/combinatorial structures. His work is relevant to both classical and post-quantum cryptographic systems, especially through the study of error-correcting codes, code-based assumptions, and quantum error-control codes.

Dr. Amir Hamzah bin Abd Ghafar is a Senior Lecturer in the Faculty of Science, Universiti Putra Malaysia, Malaysia. His research focuses on applied mathematics and mathematical cryptography, especially cryptanalysis, RSA-type cryptosystems, partial key exposure attacks, near-square RSA primes, and digital signature schemes. His work contributes to the security analysis of public-key cryptographic systems by examining potential weaknesses in RSA variants and related algebraic cryptographic constructions.

Dr. Eder Kikianty is a Senior Lecturer in the School of Mathematics at the University of the Witwatersrand, South Africa. Her research focuses on functional analysis, particularly the geometry of Banach spaces, semi-inner products, Riesz spaces, vector lattices, Morrey spaces, and the history of mathematics. Her work contributes to the development of modern analysis by studying geometric and structural properties of function spaces, including generalized functional analytic frameworks and ordered algebraic structures.

Dr. Wolfgang Bock is an Associate Professor and Head of Department at the Department of Mathematics and Physics, Linnaeus University, Sweden. His research focuses on stochastic analysis, stochastic processes, fractional calculus, fractional stochastic differential equations, non-local dynamics, Gaussian analysis, and mathematical modelling. His work contributes to the development of stochastic methods for modelling complex systems with non-local interactions, with applications in areas such as physics, finance, technology, and applied probability.

Dr. Andreas Ekelhart is affiliated with the Faculty of Computer Science, University of Vienna, Austria, particularly in the Research Group Security and Privacy. His research focuses on information security, cybersecurity risk assessment, cyber-physical systems security, digital twins for security, security and privacy in machine learning, synthetic data, semantic applications, and knowledge graphs for cybersecurity. His work contributes to the development of intelligent and trustworthy security systems by combining semantic technologies, risk analysis, and machine learning to support cyber situational awareness and secure digital infrastructures.

Dr. Vu Van Khu is an Assistant Professor in Data Science at the College of Engineering and Computer Science, VinUniversity, Vietnam. His research focuses on the mathematical foundations of data science, particularly combinatorics, algebra, probability, statistics, information theory, graph theory, and coding theory. His work aims to develop new coding techniques and efficient algorithms for solving real-world problems in data storage, communication, and computational systems.

Adamas Aqsa Fahreza is a PhD student affiliated with the Division of Mathematical Sciences, Nanyang Technological University, Singapore. His research is mainly related to  discrete mathematics, coding theory, de Bruijn sequences, distributed storage, and data representation methods. Several of his works involve binary de Bruijn sequences, Zech’s logarithms, greedy algorithms, local reconstruction codes, and holographic sensing, indicating a strong connection between combinatorial structures, coding theory, and reliable information storage systems.

Dr. Reetabrata Har holds a PhD in Mathematics from Nanyang Technological University, Singapore. He is the founder of Quipus Systems and has strong expertise in advanced mathematics, mathematical modeling, and computational problem-solving. His doctoral research focused on the mathematical foundations of discretized lattice versions of the Dirac operator, particularly how their index relates to the Atiyah–Singer Index Theorem in the continuum limit. This work connects deep mathematical theory with computational methods used in theoretical particle physics simulations.

Local Speakers

Prof. Dr. Ch. Rini Indrati is a Professor of Mathematics at Universitas Gadjah Mada, Indonesia. Her research focuses on integration theory, functional analysis, optimization, differential equations, and topology. Her work contributes to the development of pure mathematics, especially in analytical structures and their applications to mathematical modelling and theoretical analysis.

Uha Isnaini, Ph.D. is an academic in the Department of Mathematics, Universitas Gadjah Mada, Indonesia. His research focuses on number theory and cryptography, particularly arithmetic structures, integer partitions, binary quadratic forms, and mathematical foundations for cryptographic systems. His work connects pure mathematics with modern cryptographic applications, especially in strengthening the mathematical basis of information security.

Dr. Kabul Kurniawan is an academic in the Department of Computer Science and Electronics, Universitas Gadjah Mada, Indonesia. His research focuses on knowledge graphs, semantic web, symbolic AI, and information security. His work is relevant to intelligent cybersecurity systems, especially through the integration of semantic technologies, knowledge-based reasoning, and automated security analysis.

Dr. Santi Indarjadi is affiliated with Politeknik Siber dan Sandi Negara, Indonesia. Her academic contribution can be positioned within the broader fields of cryptography, cybersecurity, and cyber-defence education, in line with Poltek SSN’s institutional focus on cryptographic engineering, cybersecurity engineering, and applied research for national cyber security. Detailed public research-profile information is limited, so this description is kept general.

Dr. Prasetyo Adi Wibowo Putro is affiliated with Politeknik Siber dan Sandi Negara, Indonesia. His research focuses on information security, computer engineering, information systems, secure software engineering, cybersecurity governance, and critical information infrastructure protection. His work contributes to the development of cybersecurity frameworks and governance models for protecting critical digital infrastructures.

Septia Ulfa Sunaringtyas, M.T. is an academic at Politeknik Siber dan Sandi Negara, Indonesia. Her research interests include cybersecurity, information security, risk management, and artificial intelligence. Her work is relevant to practical cybersecurity education and applied security assessment, particularly in strengthening information systems against digital threats.

Dr. Eng. Khoirul Anwar is an Associate Professor at Telkom University, Indonesia, and is associated with the Center of Excellence for Advanced Intelligent Communications. His research focuses on coding theory, information theory, wireless communications, signal processing, quantum and classical error-correction coding, 5G/6G communications, and advanced intelligent communication systems. His work contributes to the development of reliable and efficient communication technologies for future digital and wireless networks.

Dr. Nopendri is a lecturer at Telkom University, Indonesia, and is associated with the AICOMS research environment. His research focuses on linear algebra, coding theory, finite fields, cyclic codes, and reliability-related modelling. His work supports the mathematical foundations of coding systems and their applications in communication, information protection, and reliable data transmission.

Abdullah Hanifan, M.Kom. is an academic at Telkom University, Indonesia, in the Communication and Information Technology Infrastructure research group. His research interests include cryptography, Internet of Things, artificial intelligence, and security-related computing systems. His work is relevant to the development of secure digital infrastructures, particularly where cryptographic methods, IoT systems, and intelligent technologies intersect.

We also collaborate with Indonesian Code Museum/Museum Sandi, Indonesia. Museum Sandi Yogyakarta is a thematic museum in Kotabaru, Yogyakarta, dedicated to the history of cryptography and secure communication in Indonesia. Managed as part of Indonesia’s cyber and cryptographic heritage, the museum presents historical cipher tools, documents, dioramas, and stories about the role of secret communication in Indonesia’s struggle for independence and national security. It also serves as an educational space connecting mathematics, cryptography, history, and cybersecurity.