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math.CA2022
Primitives of continuous functions via polynomials
Patrik Lundström
We present an elementary self-contained folkloristic proof, using limits of primitives of Bernstein polynomials, for the existence of primitive functions of continuous functions de…
math.RA2022
Chain conditions for rings with enough idempotents with applications to category graded rings
Patrik Lundström
We obtain criteria for when a ring with enough idempotents is left/right artinian or noetherian in terms of local criteria defined by the associated complete set of idempotents for…