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math.FA2024
Complements of unions: insights on spaceability and applications
Gustavo Araújo, Anderson Barbosa, Anselmo Raposo +1
This paper presents two general criteria to determine spaceability results in the complements of unions of subspaces. The first criterion applies to countable unions of subspaces u…
math.FA2024
Pointwise linear separation property and infinite pointwise dense lineability
Anselmo Raposo, Geivison Ribeiro
In this note we generalize a criterion within the concept of infinite dense lineability due to Calderón-Moreno, Gerlach-Mena and Prado-Bassas. We also introduce and explore some l…