• Matrix transforms into the subsets of Maddox spaces defined by speedNatarajan, Pinnangudi Narayanasubramanian; Aasma, AntsWSEAS transactions on mathematics2025 / p. 82-89 https://doi.org/10.37394/23206.2025.24.11 https://www.scopus.com/pages/publications/105000352682?origin=resultslist https://www.scopus.com/pages/publications/105000352682?origin=resultslist
• Some Classes of Matrix Transformations between the Subsets of Maddox Spaces Defined by SpeedAasma, Ants; Natarajan, Pinnangudi NarayanasubramanianWSEAS transactions on systems2024 / p. 508-516 https://doi.org/10.37394/23202.2024.23.52 https://wseas.com/journals/systems/2024/b065102-034(2024).pdf https://www.scopus.com/sourceid/144813 https://www.scopus.com/pages/publications/86000153816?inward
• Some classes of matrix transforms connected with subspaces of Maddox spaces defined by speeds of convergenceNatarajan, Pinnangudi Narayanasubramanian; Aasma, AntsFilomat2024 / p. 8039-8046 https://doi.org/10.2298/FIL2423039N https://www.pmf.ni.ac.rs/filomat-content/2024/38-23/38-23-3-24287.pdf https://www.scopus.com/sourceid/19900192450 https://www.scopus.com/pages/publications/85213060423?inward https://jcr.clarivate.com/jcr-jp/journal-profile?journal=FILOMAT&year=2024 https://www.webofscience.com/wos/woscc/full-record/WOS:001380391800001
• Some classes of matrix transforms related to speed-Maddox spaces over ultrametric fieldsNatarajan, Pinnangudi Narayanasubramanian; Aasma, AntsActa et commentationes Universitatis Tartuensis de mathematica2025 / p. 79-86 https://doi.org/10.12697/ACUTM.2025.29.05 https://www.scopus.com/sourceid/21100329307 https://www.scopus.com/pages/publications/105007823757?origin=resultslist https://jcr.clarivate.com/jcr-jp/journal-profile?journal=ACTA%20COMMENT%20UNIV%20TA&year=2024 https://www.webofscience.com/wos/woscc/full-record/WOS:001504264500005