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.

Miskolc Mathematical Notes is a distinguished journal in the field of mathematics, published by the University of Miskolc Institute of Mathematics in Hungary. With a commitment to advancing research in areas such as Algebra and Number Theory, Analysis, Control and Optimization, Discrete Mathematics and Combinatorics, and Numerical Analysis, this journal provides a platform for both theoretical and applied contributions that enhance the understanding of complex mathematical concepts. Established in 2010, the journal has steadily gained a reputation, reflected in its 2023 categorization as a Q3 journal across several mathematical disciplines. While it operates under a traditional access model, researchers and mathematicians will find invaluable insights in its peer-reviewed articles. With Scopus rankings demonstrating respectable performance in various mathematical categories, Miskolc Mathematical Notes serves as an essential resource for scholars aiming to stay at the forefront of mathematical research and its applications.

Journal of Applied Mathematics & Informatics is a peer-reviewed academic journal published by the Korean Society of Computational & Applied Mathematics (KSCAM), focusing on the integration and application of mathematical theories and computational techniques across various domains. Established in 2019, this journal serves as a platform for researchers, professionals, and students to share innovative methodologies, practical applications, and theoretical advancements in fields like analysis, applied mathematics, and computational theory. As a Q4 ranked journal according to the 2023 category quartiles in analysis, applied mathematics, computational mathematics, and miscellaneous mathematics, it provides a valuable, albeit niche, contribution to the academic landscape. While the journal currently operates without open access options, it aims to disseminate quality research to foster collaboration and knowledge exchange within the mathematics and computer science communities. Researchers looking to explore emerging trends and methodologies in applied mathematics and informatics will find an essential resource in this journal, which is based in Daejeon, South Korea.

Nonlinear Analysis-Modelling and Control is a leading open-access journal published by the Vilnius University, Institute of Mathematics and Informatics, nestled in the heart of Lithuania. Since its inception in 2009, the journal has been committed to advancing the field of nonlinear analysis through rigorous research and comprehensive modelling techniques. With an impressive Q2 category ranking in both Analysis and Applied Mathematics for 2023, it stands out with its strong academic influence reflected in its Scopus ranking, where it is positioned in the top 12% percentile for Mathematics - Analysis and the top 24% for Mathematics - Applied Mathematics. This journal not only serves as a platform for pioneering research but also emphasizes interdisciplinary collaboration in addressing complex mathematical and control problems. Its open-access policy since 2017 ensures that its findings are readily accessible to a global audience, fostering knowledge dissemination and innovation across the mathematical community. Researchers, professionals, and students will find Nonlinear Analysis-Modelling and Control an essential resource for the latest developments and applications in nonlinear systems.

TWMS Journal of Applied and Engineering Mathematics, published by TURKIC WORLD MATHEMATICAL SOC, is a distinguished open-access journal that has been contributing to the field of applied mathematics since 2011. With a focus on theoretical and practical applications spanning various areas including Computational Mathematics, Control and Optimization, and Numerical Analysis, this journal serves as a vital resource for researchers and professionals looking to disseminate and access quality research. Although currently positioned in the Q4 quartile across several mathematical categories in 2023, the journal aims to provide a platform for innovative research, fostering collaboration and knowledge sharing among scholars worldwide. Located in Turkey, this journal emphasizes accessible content, inviting a diverse audience to explore breakthroughs and advancements in mathematical sciences. With its broad spectrum of topics, TWMS Journal not only enriches academic discourse but also plays a crucial role in supporting the development of new methodologies and technologies in engineering and applied mathematics.

Minimax Theory and its Applications is an esteemed academic journal published by HELDERMANN VERLAG, focusing on the intricate domains of mathematics, particularly in the fields of analysis, computational mathematics, and control and optimization. With its ISSN 2199-1413 and E-ISSN 2199-1421, the journal has established a reputable platform for disseminating high-quality research that engages with minimax principles and their multifaceted applications in contemporary mathematical challenges. The journal has made significant strides since its inception in 2016, currently ranked Q3 in several relevant categories as of 2023. These rankings underscore its growing contribution to the academic community, attracting researchers and professionals seeking to expand their knowledge and application of minimax theory. Although it does not currently provide open access options, the rigorous peer-review process ensures that the included works meet the highest scholarly standards, bolstering the journal's overall impact within the field. Based in Germany, the journal continues to foster international discourse and collaboration among mathematicians and applied theorists alike.

Applied Mathematics and Optimization, published by Springer, is a prestigious journal dedicated to the rigorous exploration of applied mathematics, optimization techniques, and their multifaceted applications. Since its inception in 1974, the journal has maintained a robust reputation within the academic community, achieving a commendable Q1 ranking in both Applied Mathematics and Control and Optimization categories as of 2023. With an impact factor that underscores its influence in the field, the journal provides a platform for researchers and practitioners to disseminate innovative methodologies and significant advancements. While it does not offer Open Access, the journal’s esteemed peer-reviewed articles serve as invaluable resources for the advancement of theoretical knowledge and practical applications. Researchers, professionals, and students alike will find Applied Mathematics and Optimization an essential source for staying at the forefront of mathematical sciences, particularly in optimizing real-world systems and processes.

INTERNATIONAL JOURNAL OF NONLINEAR SCIENCES AND NUMERICAL SIMULATION, published by WALTER DE GRUYTER GMBH, serves as a premier platform for advancing knowledge in the vibrant domains of applied mathematics, computational mechanics, and various fields of engineering and physics. With an ISSN of 1565-1339, this journal has been at the forefront of disseminating significant research findings since its inception in 2000. Its commitment to quality is reflected in its category quartiles for 2023, ranked Q2 in Computational Mechanics and Engineering (miscellaneous), and Q3 in multiple engineering disciplines. Although it currently operates under a subscription model, the journal remains dedicated to presenting groundbreaking studies that explore complex nonlinear phenomena and numerical methodologies. As an invaluable resource for researchers, professionals, and students alike, the journal aims to foster innovation and collaboration across related fields, enhancing both theory and application through its peer-reviewed articles.

The IMA Journal of Applied Mathematics, published by Oxford University Press, serves as a pivotal platform for disseminating innovative research in the field of applied mathematics. With its ISSN 0272-4960 and E-ISSN 1464-3634, the journal has established itself as an essential resource for academics and practitioners, showing notable engagement with both theoretical and practical aspects of mathematics. Spanning over five decades since its inception in 1965, the journal covers a broad range of topics aimed at addressing complex real-world problems through mathematical modeling and computational techniques. Holding a Q3 quartile ranking in the applied mathematics category for 2023, and a Scopus rank of #310 out of 635, it plays a significant role in contributing to the academic discourse within this dynamic field. Despite not being open access, the journal's robust reputation and commitment to rigorous peer review ensure that cutting-edge research remains accessible to its audience of researchers, professionals, and students dedicated to advancing mathematical sciences. Its ongoing commitment to exceptional scholarship makes the IMA Journal of Applied Mathematics a vital resource for those seeking to explore and apply mathematical principles in various contexts.

Communications in Mathematical Sciences is a prestigious journal published by INT PRESS BOSTON, INC, dedicated to advancing the field of mathematical sciences through the dissemination of high-quality research. Since its inception in 2003, the journal has established itself as a key platform for scholars in both applied and theoretical mathematics, evidenced by its impressive rankings, with a Q2 designation in Applied Mathematics and a Q1 status in Miscellaneous Mathematics categories as of 2023. Although not an open-access journal, it provides comprehensive access to groundbreaking studies that span a wide array of topics within mathematical sciences, making it invaluable for researchers, professionals, and students alike. The journal's strong performance metrics, including a Scopus rank that places it in the 64th and 38th percentiles for General and Applied Mathematics, respectively, highlight its influence and significance within the academic community. With an optimistic convergence towards future advancements by 2024, Communications in Mathematical Sciences continues to play a vital role in the growth and evolution of mathematical inquiry.