In this note, we obtain the sufficient and necessary conditions for the inclusions ΛφBV⊂BV(q,δ), and BV(q,δ)⊂ΛφBV is false when φ satisfies the Δ2 condition.
GE Ajun
,
WANG Heping
,
YAN Dunyan
. Relationships between ΛφBV and BV(q,δ)[J]. Journal of University of Chinese Academy of Sciences, 2023
, 40(6)
: 721
-725
.
DOI: 10.7523/j.ucas.2022.035
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