<p>In the present work, we introduce the concept of fractional Toeplitz operators and study boundedness and compactness properties of such operators in the case of radial symbols within the framework of weighted Bergman spaces. We establish sufficient and, in certain cases, necessary conditions for the boundedness, compactness, and membership in Schatten <i>p</i>-ideals of fractional Toeplitz operators. These characterizations are primarily derived from the behavior of integral averages of the radial symbol, relating the operator’s structural properties to the behavior of its symbol or an average of the symbol.</p>

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Fractional Toeplitz operators with radial symbols

  • Alexey Karapetyants,
  • Irina Smirnova

摘要

In the present work, we introduce the concept of fractional Toeplitz operators and study boundedness and compactness properties of such operators in the case of radial symbols within the framework of weighted Bergman spaces. We establish sufficient and, in certain cases, necessary conditions for the boundedness, compactness, and membership in Schatten p-ideals of fractional Toeplitz operators. These characterizations are primarily derived from the behavior of integral averages of the radial symbol, relating the operator’s structural properties to the behavior of its symbol or an average of the symbol.