Welcome to the Bulletin of Irkutsk State University-Series Mathematics, a premier open-access journal dedicated to the dissemination of high-quality research in the field of mathematics. Published by Irkutsk State University, this journal has been committed to open access since 2007, ensuring that cutting-edge mathematics research is freely available to researchers, professionals, and students worldwide. With an impact factor reflecting its growing influence in the mathematical community, the journal was ranked in the Q2 category in Mathematics (miscellaneous) for 2023, indicative of its rigorous peer-review process and significant scholarly contributions. Covering a wide range of topics from theoretical concepts to applied mathematics, the Bulletin serves as a crucial platform for new discoveries and interdisciplinary collaboration. Located in the heart of Siberia at Sukhe-Batora St 5, Irkutsk, Russia, the journal aims to foster academic growth and innovation, inviting scholars to contribute to its pages and engage with the global research community.

Applied Mathematics and Computation is a premier journal dedicated to the dissemination of high-quality research in the field of applied mathematics and computational methods. Published by Elsevier Science Inc, this influential journal has established itself as a key resource for researchers, professionals, and students interested in mathematical modeling, numerical analysis, computational algorithms, and their applications across various disciplines. With an impressive impact factor reflecting its scholarly credibility, it holds a distinguished position in the Q1 quartile for both applied and computational mathematics as of 2023, ranking #31/635 and #12/189 in Scopus categories respectively, thereby indicating its significant impact on the academic community. The journal encompasses a broad spectrum of topics, encouraging original research, critical reviews, and innovative methodologies that address real-world challenges. Although it currently does not offer open access options, it remains a cornerstone publication for those at the forefront of mathematical research, continuously bridging theory with practical computation since its inception in 1975.

International Journal of Computer Mathematics - Computer Systems Theory, published by Taylor & Francis Ltd, is a vital resource in the fields of computational mathematics and computer systems theory. With an ISSN of 2379-9927 and E-ISSN 2379-9935, this journal has established a prominent presence in academia since its inception in 2016. It is categorized in the Q3 quartile for both Computational Mathematics and Computational Theory in 2023, reflecting its impact and contribution to the scholarly discourse within these domains. The journal’s Scopus rankings further emphasize its academic relevance, placing it in the 38th and 33rd percentiles in their respective categories. International Journal of Computer Mathematics aims to disseminate innovative research findings, methodologies, and theoretical advancements, making it an essential publication for researchers, professionals, and students looking to deepen their understanding of computational methods and applications. Although it currently does not offer open access, the journal continues to provide insightful contributions to the scientific community, fostering the evolution of computational sciences.

BIT Numerical Mathematics, published by Springer, is a prestigious journal in the field of Applied Mathematics and Computational Mathematics, with an ISSN of 0006-3835 and an E-ISSN of 1572-9125. Since its inception in 1961, the journal has become a cornerstone for researchers and practitioners alike, offering high-quality articles that advance the understanding and application of numerical methods in various domains. With its impressive 2023 rankings in the Q1 category for multiple disciplines—including Applied Mathematics, Computational Mathematics, Computer Networks and Communications, and Software—the journal consistently showcases significant contributions to the mathematical community. Although it does not offer Open Access, BIT Numerical Mathematics continues to reach a vast audience through its rigorous peer-reviewed content. As it converges towards 2024, the journal remains committed to publishing cutting-edge research that addresses fundamental challenges in numerical analysis and algorithm development, ensuring its relevance in an ever-evolving scientific landscape.

SIAM REVIEW is a premier interdisciplinary journal published by SIAM PUBLICATIONS, dedicated to the dissemination of critical research findings and reviews in the fields of Applied Mathematics, Computational Mathematics, and Theoretical Computer Science. With a distinguished Impact Factor placing it in the top quartile across multiple mathematical categories, SIAM REVIEW serves as a vital resource for researchers, professionals, and students seeking to stay abreast of the latest developments and methodologies. The journal has evolved since its inception in 1969 and continues to contribute significantly to the advancement of its fields, providing rigorous insights that encourage collaboration and innovation. Although it is not an Open Access publication, SIAM REVIEW offers access options through institutional libraries, ensuring availability to a broad audience. With Scopus rankings placing it among the top journals in its respective disciplines, SIAM REVIEW remains an essential conduit for scholarly discourse and a beacon of knowledge for the mathematical community.

Mathematics in Engineering, published by the American Institute of Mathematical Sciences (AIMS), is a premier open-access journal that has been advancing the field of mathematical sciences since its inception in 2019. With a focus on interdisciplinary applications, this journal embraces a broad spectrum of topics within analysis, applied mathematics, and mathematical physics. It has quickly garnered recognition, achieving notable rankings such as Q1 status in Analysis and Mathematical Physics, and Q2 in Applied Mathematics, according to the 2023 category quartiles. The journal’s Scopus rankings further underline its commitment to quality, with impressive placements reflecting its growing influence in the mathematical community. Accessible to all, Mathematics in Engineering aims to provide a platform for the dissemination of innovative research findings and methodologies, fostering collaboration among researchers, professionals, and students in the mathematical domain. For those looking to contribute to or deepen their understanding of current mathematical applications in engineering, this journal is an essential resource.

Annales Mathematicae et Informaticae is a prominent academic journal published by E K F LICEUM KIADO, based in Hungary. Dedicated to advancing the fields of mathematics and computer science, this journal has been a significant platform for scholarly discourse since its inception in 1997. With an ISSN of 1787-5021 and an E-ISSN of 1787-6117, it aims to publish high-quality research that contributes to the broader understanding and application of mathematical and computational principles. As a Q4 journal in both the Computer Science and Mathematics categories for 2023, it showcases a diverse range of research findings. The journal operates with an open access model, ensuring that research is freely accessible to all, thereby fostering collaboration and knowledge dissemination. Recognized for its role in academia, Annales Mathematicae et Informaticae serves as a valuable resource for researchers, professionals, and students who aspire to stay ahead in these dynamic fields.

Algorithms is a prestigious and innovative journal published by MDPI, focusing on the rapidly evolving fields of computational mathematics, numerical analysis, and theoretical computer science. Launched in 2008, this open access journal seeks to foster collaboration and knowledge sharing among researchers, professionals, and students by providing a platform for the dissemination of high-quality research articles, reviews, and notes. With its operational base in Basel, Switzerland, Algorithms has steadily established itself in the academic community, achieving commendable rankings such as Q2 in Computational Mathematics and Numerical Analysis, as well as Q3 in Computational Theory and Mathematics and Theoretical Computer Science as of 2023. Furthermore, the journal boasts impressive Scopus rankings, placing it within the top 20% in several categories, underscoring its relevance and influence in the field. As an open access journal, Algorithms ensures that its content is accessible to all, promoting the advancement of algorithmic research and fostering critical discussions that may shape the future of the discipline.

ACM Transactions on Computation Theory, published by the Association for Computing Machinery, is a prestigious journal dedicated to advancing the field of computation theory and theoretical computer science. With an ISSN of 1942-3454 and an E-ISSN of 1942-3462, this journal serves as a vital resource for researchers and professionals seeking to explore groundbreaking developments in computational models, algorithms, and their mathematical foundations. The journal's rigorous standards have earned it a significant position within the academic community, as evidenced by its 2023 category quartiles, ranking in the Q1 category for Computational Theory and Mathematics and Q2 for Theoretical Computer Science. Although it operates through traditional subscription access, it maintains a critical role in disseminating cutting-edge research and fostering collaboration among experts in the United States and beyond. As an influential platform, ACM Transactions on Computation Theory is committed to contributing to the ongoing dialogue and advancement of computation theory, making it essential reading for anyone passionate about this dynamic field.

Mathematical Foundations of Computing, published by the American Institute of Mathematical Sciences (AIMS), is a distinguished open-access journal that has been actively disseminating influential research in the fields of Artificial Intelligence, Computational Mathematics, Computational Theory and Mathematics, and Theoretical Computer Science since its inception in 2009. With its E-ISSN 2577-8838, this journal is committed to providing researchers and practitioners with cutting-edge mathematical theories and methodologies that underpin modern computational practices, which is critical for advancing the field. The journal proudly holds a Q3 categorization in several relevant domains as of 2023, reflecting its contribution and accessibility amid an evolving academic landscape. By offering open access to its content, it ensures that vital research is freely available to a global audience, enhancing collaboration and innovation. Positioned in the heart of the United States, Mathematical Foundations of Computing serves as a crucial resource for advancing knowledge and fostering discussions among researchers, professionals, and students passionate about the mathematical underpinnings of computing.