<p>Several sequences of positive linear operators are known in Approximation Theory whose limits are operators different from the identity. These operators are constructed using both analytic and probabilistic methods. In this work, we characterize these limits and investigate their properties. Furthermore, we extend the framework to include the Bernstein–Chlodovsky and Bernstein–Schnabl operators, for which we establish new properties.</p>

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Limits of special sequences of positive linear operators

  • Ana-Maria Acu,
  • Gabriela Motronea,
  • Ioan Raşa

摘要

Several sequences of positive linear operators are known in Approximation Theory whose limits are operators different from the identity. These operators are constructed using both analytic and probabilistic methods. In this work, we characterize these limits and investigate their properties. Furthermore, we extend the framework to include the Bernstein–Chlodovsky and Bernstein–Schnabl operators, for which we establish new properties.