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Three BMO-type Spaces Characterizing Chord--Arc Curves

arXiv Mathematics · WORLD · Mathematics · 10/27/2026, 12:00:00 AM

arXiv:2610.33067v1 Announce Type: new Abstract: In this note, we introduce three BMO-type spaces on a locally rectifiable Jordan curve and prove that it is a chord-arc curve if and only if these spaces coincide with equivalent norms.

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