Publicationes Mathematicae Debrecen is a renowned international journal published by the University of Debrecen, Institute of Mathematics, situated in Hungary. This journal, with both ISSN 0033-3883 and E-ISSN 2064-2849, has established itself in the field of mathematics since its inception, with coverage extending from 1997 to 2024. Recognized for its rigorous academic standards, it currently holds a Q3 ranking in the mathematics (miscellaneous) category for 2023 and ranks at the 42nd percentile among general mathematics journals in Scopus. Publicationes Mathematicae Debrecen aims to disseminate high-quality research across various areas of mathematics, contributing to the advancement of knowledge and practice in this dynamic field. Although it is not an open-access journal, its readers can access a wealth of scholarly work that addresses both theoretical and applied mathematical issues, making it an invaluable resource for researchers, professionals, and students alike.

POSITIVITY is a distinguished journal published by Springer, focusing on cutting-edge research in the realms of Mathematics, Analysis, and Theoretical Computer Science. Since its inception in 1997, the journal has fostered intellectual rigor and innovation, catering to a diverse audience of researchers, professionals, and students alike. With an esteemed Q2 ranking in 2023 across multiple categories including General Mathematics, Analysis, and Theoretical Computer Science, POSITIVITY serves as a significant platform for disseminating high-impact findings that advance knowledge in these fields. Though it does not operate under an Open Access model, the journal provides critical insights that contribute to its commendable standing, reflected in its Scopus rankings, which highlight the journal's influence within the academic community. The ongoing publication until 2024 ensures that POSITIVITY remains at the forefront of mathematical discourse, making it an invaluable resource for those dedicated to pushing the boundaries of theoretical and applied mathematics.

JOURNAL OF OPERATOR THEORY is a distinguished periodical published by the THETA FOUNDATION based in Romania. With a specific focus on the realms of mathematics, particularly in the areas of operator theory and its applications in algebra and number theory, this journal plays a crucial role in disseminating high-quality research that advances theoretical understanding and practical applications. It is indexed with an impressive rank of #58 out of 119 in the Scopus Mathematics category, placing it within the 51st percentile nationally. The journal has evolved significantly since its establishment, with publications spanning from 1996 through 2024, and maintaining a reputable stature in the Q2 quartile for Algebra and Number Theory as of 2023. While it operates under a subscription model, the JOURNAL OF OPERATOR THEORY remains an essential resource for researchers, professionals, and students seeking to engage deeply with contemporary mathematical issues and promote advancements in the field. For those looking to explore innovative findings and methodological approaches, this journal is indispensable.

INTEGRAL EQUATIONS AND OPERATOR THEORY, published by SPRINGER BASEL AG, stands at the forefront of research in the fields of algebra, number theory, and analysis, with an esteemed categorization of Q2 in both disciplines as of 2023. With its ISSN 0378-620X and E-ISSN 1420-8989, this journal not only maintains a rigorous standard for scholarly contributions but also offers a vital platform for discourse on theoretical and applied aspects of integral equations and operator theory. Established in 1978, it has nurtured academic growth and innovation, with contributions continuing up to 2024. The journal holds respectable Scopus rankings, placed 43rd out of 119 in Algebra and Number Theory, and 110th out of 193 in Analysis, establishing its relevance and impact within the mathematical community. Researchers, professionals, and students alike will find INTEGRAL EQUATIONS AND OPERATOR THEORY to be an invaluable resource for advancing knowledge, fostering collaboration, and inspiring future studies within these critical areas of mathematics.

Open Mathematics, published by DE GRUYTER POLAND SP Z O O, is a prominent peer-reviewed journal that has been a vital platform for disseminating innovative research in the field of mathematics since its inception in 2015. With an impressive impact factor reflected by its Q2 ranking in the miscellaneous mathematics category and a commendable Scopus rank of #91 out of 399, it positions itself as a significant contributor to the mathematical community. This open access journal, headquartered in Poland, welcomes submissions that tackle diverse mathematical theories, applications, and methodologies, fostering knowledge exchange among researchers, professionals, and students globally. Since its launch, Open Mathematics has focused on bridging the gap between theoretical advancement and practical applications, making it an essential resource for anyone seeking to stay at the forefront of mathematical research and innovation. The journal offers easy online access, enhancing the visibility and impact of the valuable work published within its pages.

Constructive Mathematical Analysis is a distinguished open-access journal dedicated to advancing the field of mathematical analysis, specifically through constructive methods. Published by Tuncer ACAR and affiliated with Selcuk University in Turkey, this journal has been making a significant impact in the academic community since its inception in 2018. With an emerging presence in Scopus, it has earned a Q2 ranking in key categories including Analysis, Applied Mathematics, and Numerical Analysis for 2023, reflecting its commitment to high-quality research contributions. By providing a platform for innovative research and interdisciplinary approaches, "Constructive Mathematical Analysis" aims to facilitate collaboration among researchers, educators, and students in their pursuit of knowledge in mathematical science. With its open-access model, the journal ensures that research findings are accessible to a global audience, fostering an inclusive academic environment.

EXPOSITIONES MATHEMATICAE, published by Elsevier GmbH, stands as a significant journal in the realm of mathematics, catering primarily to researchers, professionals, and students. With an ISSN of 0723-0869 and an E-ISSN of 1878-0792, this journal has made its mark in the academic community, boasting a Q2 classification in the miscellaneous mathematics category for 2023, illustrating its prominence within its field. The journal addresses a diverse scope of mathematical topics, encouraging the publication of original research and innovative theories while maintaining rigorous academic standards. As it converges from 2004 to 2024, EXPOSITIONES MATHEMATICAE continues to be an essential resource for advancing mathematical knowledge and fostering scholarly communication, despite being a non-open-access publication. Its location in Munich, Germany further anchors it within a rich intellectual tradition, providing accessibility for the mathematical community worldwide.

The JOURNAL OF FUNCTIONAL ANALYSIS, published by Academic Press Inc Elsevier Science, stands as a premier platform in the field of analysis, encompassing a broad spectrum of topics pertinent to functional analysis and its applications. With an impressive impact factor and categorized in Q1 for the year 2023, it ranks as one of the top journals in Mathematics (Analysis), placing it in the 77th percentile among its peers. This journal, founded in 1967, continues to provide researchers, professionals, and students with cutting-edge insights, rigorous publications, and a vibrant forum for scholarly discourse. The journal remains committed to advancing knowledge in the discipline and fostering an environment that encourages innovation and collaboration. Although it does not offer open access options, its high standards for publication ensure that each issue is replete with high-quality research that significantly contributes to the field. The journal's comprehensive coverage aligns well with the evolving landscape of functional analysis, making it an indispensable resource for anyone seeking to deepen their understanding and engage with current trends in this essential area of mathematics.

Welcome to the Azerbaijan Journal of Mathematics, a premier academic platform dedicated to the advancement of mathematical research and education. Published by the esteemed Institute of Mathematics and Mechanics of Azerbaijan, this journal presents cutting-edge studies and innovative findings in the field of mathematics since its inception in 2011. With an ISSN of 2218-6816, it has established itself within the top-tier Q2 category of miscellaneous mathematics journals as of 2023, and is ranked #168 out of 399 in the General Mathematics category on Scopus, placing it in the 58th percentile. The journal's commitment to open access benefits a wide audience, making valuable research available to a global community. Covering a diverse range of mathematical disciplines, the Azerbaijan Journal of Mathematics serves as a vital resource for researchers, professionals, and students seeking to enhance their knowledge and contribute to the ongoing discourse in mathematics. Join us in exploring the depths of mathematical thought and application, and be part of our growing community of scholars.

St Petersburg Mathematical Journal, published by the American Mathematical Society, is a distinguished platform that fosters research and discourse in the fields of mathematics, specifically focusing on Algebra and Number Theory, Analysis, and Applied Mathematics. With an ISSN of 1061-0022 and an E-ISSN of 1547-7371, this journal has been a reliable source of cutting-edge mathematical research since its inception in 2003 and continues to publish high-quality content through 2024. Although not open-access, it offers valuable insights and advances the mathematical community's understanding, as indicated by its respectable impact factor and Scopus rankings across various categories—landing in the Q3 quartile across three significant mathematical disciplines. Researchers, professionals, and students are encouraged to contribute and engage with this journal, as it remains a vital resource for promoting collaboration and discovery within the ever-evolving field of mathematics.