Monika Singh

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20202026

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4 papers · 1 filter

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 $Q B_{β, p}$ weight class. Also, a weight characterization o…

math.FA2025

Multiplication operators on amalgam of $l^{q), θ}$ and $L^{p}$

Monika Singh, Jitendra Kumar

We define the grand amalgam Lebesgue function space $l^{q), θ} (L^{p}),$ and study the fundamental structural properties of the space, including completeness. Then we define the small…

math.FA2022

Rubio de Francia Extrapolation Theorems for Quasi-Monotone Functions

Arun Pal Singh, Ragul Panchal, Pankaj Jain +1

We prove Rubio de Francia extrapolation results in Lebesgue and grand Lebesgue spaces for quasi monotone functions with $Q B_{β, p}$ weights. The extrapolation in Lebesgue spaces wit…

math.FA2020

On grand Sobolev spaces and pointwise description of Banach function spaces

Pankaj Jain, Anastasia Molchanova, Monika Singh +1

We obtain a pointwise description of functions belonging to function spaces with the lattice property. In particular, it is valid for Banach function spaces provided that the Hardy…

Rubio de Francia Extrapolation Theorem for Quasi non-increasing Sequences

Multiplication operators on amalgam of lq),θ and Lp

Rubio de Francia Extrapolation Theorems for Quasi-Monotone Functions

On grand Sobolev spaces and pointwise description of Banach function spaces

Multiplication operators on amalgam of $l^{q), θ}$ and $L^{p}$