<p>In this paper, we establish estimates for the oscillation seminorm for the so-called Carleson–Dunkl operator on weighted <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="12215_2025_1237_Article_IEq1.gif" Format="GIF" Height="20" Rendition="HTML" Resolution="72" Type="Linedraw" Width="150" /> </InlineMediaObject> <EquationSource Format="TEX">\(L^p(\mathbb {R},w(x)|x|^{2\alpha +1}\textrm{d}x)\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <msup> <mi>L</mi> <mi>p</mi> </msup> <msup> <mrow> <mo stretchy="false">(</mo> <mi mathvariant="double-struck">R</mi> <mo>,</mo> <mi>w</mi> <mrow> <mo stretchy="false">(</mo> <mi>x</mi> <mo stretchy="false">)</mo> </mrow> <mo stretchy="false">|</mo> <mi>x</mi> <mo stretchy="false">|</mo> </mrow> <mrow> <mn>2</mn> <mi>α</mi> <mo>+</mo> <mn>1</mn> </mrow> </msup> <mrow> <mtext>d</mtext> <mi>x</mi> <mo stretchy="false">)</mo> </mrow> </mrow> </math></EquationSource> </InlineEquation> spaces with power weights <InlineEquation ID="IEq2"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="12215_2025_1237_Article_IEq2.gif" Format="GIF" Height="21" Rendition="HTML" Resolution="72" Type="Linedraw" Width="86" /> </InlineMediaObject> <EquationSource Format="TEX">\(w(x)=|x|^\beta \)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mi>w</mi> <mrow> <mo stretchy="false">(</mo> <mi>x</mi> <mo stretchy="false">)</mo> </mrow> <mo>=</mo> <msup> <mrow> <mo stretchy="false">|</mo> <mi>x</mi> <mo stretchy="false">|</mo> </mrow> <mi>β</mi> </msup> </mrow> </math></EquationSource> </InlineEquation>. As a result, we obtain oscillation estimates for the standard Carleson operator on <InlineEquation ID="IEq3"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="12215_2025_1237_Article_IEq3.gif" Format="GIF" Height="22" Rendition="HTML" Resolution="72" Type="Linedraw" Width="114" /> </InlineMediaObject> <EquationSource Format="TEX">\(L_\textrm{rad}^p(\mathbb {R}^n,|x|^\beta \textrm{d}x)\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <msubsup> <mi>L</mi> <mtext>rad</mtext> <mi>p</mi> </msubsup> <mrow> <mo stretchy="false">(</mo> </mrow> <msup> <mrow> <mi mathvariant="double-struck">R</mi> </mrow> <mi>n</mi> </msup> <msup> <mrow> <mo>,</mo> <mo stretchy="false">|</mo> <mi>x</mi> <mo stretchy="false">|</mo> </mrow> <mi>β</mi> </msup> <mrow> <mtext>d</mtext> <mi>x</mi> <mo stretchy="false">)</mo> </mrow> </mrow> </math></EquationSource> </InlineEquation>. As a byproduct, we obtain a transference principle for radial multipliers on <InlineEquation ID="IEq4"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="12215_2025_1237_Article_IEq4.gif" Format="GIF" Height="20" Rendition="HTML" Resolution="72" Type="Linedraw" Width="30" /> </InlineMediaObject> <EquationSource Format="TEX">\(L_\textrm{rad}^p\)</EquationSource> <EquationSource Format="MATHML"><math> <msubsup> <mi>L</mi> <mtext>rad</mtext> <mi>p</mi> </msubsup> </math></EquationSource> </InlineEquation> spaces, in the spirit of the Rubio de Francia transference principle.</p>

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Oscillation inequalities for Carleson–Dunkl operator

  • Wojciech Słomian

摘要

In this paper, we establish estimates for the oscillation seminorm for the so-called Carleson–Dunkl operator on weighted \(L^p(\mathbb {R},w(x)|x|^{2\alpha +1}\textrm{d}x)\) L p ( R , w ( x ) | x | 2 α + 1 d x ) spaces with power weights \(w(x)=|x|^\beta \) w ( x ) = | x | β . As a result, we obtain oscillation estimates for the standard Carleson operator on \(L_\textrm{rad}^p(\mathbb {R}^n,|x|^\beta \textrm{d}x)\) L rad p ( R n , | x | β d x ) . As a byproduct, we obtain a transference principle for radial multipliers on \(L_\textrm{rad}^p\) L rad p spaces, in the spirit of the Rubio de Francia transference principle.