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    STUDIA MATHEMATICA - Issue no. 3 / 2007  
         
  Article:   SOME INTERPOLATION OPERATORS ON A SIMPLEX DOMAIN.

Authors:  TEODORA CĂTINAŞ, GHEORGHE COMAN.
 
       
         
  Abstract:  This paper studies with certain operators, their product and boolean sum, which interpolate a given function on the triangle and tetrahedron. The interpolation properties and the degree of exactness for these operators are studied. Also, the remainders of the corresponding interpolation formulas are studied.  
         
     
         
         
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