Matrix transforms into the set of a-absolutely convergent sequences with speed and the regularity of matrices on the sub-spaces of CAasma, Ants; Natarajan, Pinnangudi N.WSEAS transactions on mathematics2024 / p. 60-67 https://doi.org/10.37394/23206.2024.23.7

Matrix transforms into the subsets of Maddox spaces defined by speedNatarajan, Pinnangudi N.; Aasma, AntsWSEAS transactions on mathematics2025 / p. 82-89 https://doi.org/10.37394/23206.2025.24.11

Matrix transforms of α -absolutely Aλ -summable sequencesAasma, Ants; Natarajan, Pinnangudi N.WSEAS transactions on mathematics2024 / p. 836-847 https://doi.org/10.37394/23206.2024.23.92

Some more results on matrix transform between speed-Maddox spaces over ultrametric fieldsNatarajan, Pinnangudi N.; Aasma, AntsWSEAS transactions on mathematics2025 / p. 542-550 https://doi.org/10.37394/23206.2025.24.54