Geodesic
A Class of Positive Linear Operators
Canadian mathematical bulletin, Tome 11 (1968) no. 1, pp. 51-59

Voir la notice de l'article provenant de la source Cambridge University Press

Let F[a, b] be the linear space of all real valued functions defined on [a, b]. A linear operator L: C[a, b] → F[a, b] is called positive (and hence monotone) on C[a, b] if L(f)≥0 whenever f≥0. There has been a considerable amount of research concerned with the convergence of sequences of the form {Ln(f)} to f where {Ln} is a sequence of positive linear operators on C[a, b]. 
King, J. P. A Class of Positive Linear Operators. Canadian mathematical bulletin, Tome 11 (1968) no. 1, pp. 51-59. doi: 10.4153/CMB-1968-007-5
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