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math.FA2026
Some weighted modular inequalities in variable Lebesgue spaces
Megha Madan, Arun Pal Singh
We establish a necessary and sufficient weight condition so that a modular inequality holds for a generalized integral operator on non-negative non-increasing functions in we…
math.FA2026
Rubio de Francia Extrapolation Theorem for Quasi non-increasing Sequences
Monika Singh, Amiran Gogatishvili, Rahul Panchal +1
We prove the discrete Rubio de Francia extrapolation theorem for a pair of quasi non-increasing sequences with weight class. Also, a weight characterization o…