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    STUDIA MATHEMATICA - Issue no. 3 / 2010  
         
  Article:   BERNSTEIN TYPE OPERATORS ON A SQUARE WITH ONE AND TWO CURVED SIDES.

Authors:  PETRU BLAGA, TEODORA CĂTINAŞ, GHEORGHE COMAN.
 
       
         
  Abstract:  We construct some Bernstein-type operators on a square with one and two curved sides, their product and Boolean sum. We study their interpolation properties, the orders of accuracy and the remainders of the corresponding approximation formulas. Finally, we give some numerical examples.

Key words and phrases. triangle, curve side, interpolation operators, remainders.
 
         
     
         
         
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