<p>Adapting [<CitationRef CitationID="CR36">36</CitationRef>], we define generalized <i>p</i>-harmonic maps into Riemannian homogeneous targets, a notion of solutions not belonging to the energy space. Restricting our attention to the subcritical range <i>p</i> greater than the domain dimension <i>n</i>, we show a uniform <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\(C^{1,\alpha }\)</EquationSource> <EquationSource Format="MATHML"><math> <msup> <mi>C</mi> <mrow> <mn>1</mn> <mo>,</mo> <mi>α</mi> </mrow> </msup> </math></EquationSource> </InlineEquation>-regularity result for a sequence of such maps in the limit <InlineEquation ID="IEq2"> <EquationSource Format="TEX">\(p \searrow n\)</EquationSource> <EquationSource Format="MATHML"><math> <mrow> <mi>p</mi> <mo>↘</mo> <mi>n</mi> </mrow> </math></EquationSource> </InlineEquation>, assuming a uniform <i>n</i>-energy bound on its elements. The method of the proof follows the exact same lines as in [<CitationRef CitationID="CR36">36</CitationRef>] but we need to check uniformity of estimates not previously considered there.</p>

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Sacks-Uhlenbeck type regularity for subcritical generalized p-harmonic maps into Homogeneous targets

  • Gianmichele Di Matteo,
  • Tobias Lamm

摘要

Adapting [36], we define generalized p-harmonic maps into Riemannian homogeneous targets, a notion of solutions not belonging to the energy space. Restricting our attention to the subcritical range p greater than the domain dimension n, we show a uniform \(C^{1,\alpha }\) C 1 , α -regularity result for a sequence of such maps in the limit \(p \searrow n\) p n , assuming a uniform n-energy bound on its elements. The method of the proof follows the exact same lines as in [36] but we need to check uniformity of estimates not previously considered there.