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      <subfield code="a">Duoandikoetxea, Javier</subfield>
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      <subfield code="a">Martín Reyes, Francisco J.</subfield>
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      <subfield code="a">We discuss several characterizations of the A [infinite] class of weights in the setting of general bases. Although they are equivalent for the usual Muckenhoupt weights, we show that they can give rise to different classes of weights for other bases. We also obtain new characterizations for the usual A [infinite] weights.</subfield>
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      <subfield code="a">Duoandikoetxea J, Martín-Reyes FJ, Ombrosi S (2016) On the $$A_{\infty }$$ A ∞ conditions for general bases. Math Z 282(3–4):955–972. https://doi.org/10.1007/s00209-015-1572-y</subfield>
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      <subfield code="a">On the A [infinite] conditions for general bases</subfield>
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