Nishishiraho Toshihiko

Approximation processes of integral operators in Banach spaces 

J. Nonlinear and Convex Anal, 4(1) 125-140, 2003  

Approximation processes of integral operators in Banach spaces 

J. Nonlinear and Convex Anal, 4(1) 125-140, 2003  

Approximation processes of integral operators in Banach spaces 

J. Nonlinear and Convex Anal, 4(1) 125-140, 2003  

Approximation processes of integral operators in Banach spaces 

J. Nonlinear and Convex Anal, 4(1) 125-140, 2003  

Refinements of Korovkin-type approximation processes, 

Rend. Circ. Mat. Palermo, 68, 711-725, 2002., (68) 711-725, 2002  

Refinements of Korovkin-type approximation processes 

Rend. Circ. Mat. Palermo, (68) 711-725, 2002  

Refinements of Korovkin-type approximation processes, 

Rend. Circ. Mat. Palermo, 68, 711-725, 2002., (68) 711-725, 2002  

Refinements of Korovkin-type approximation processes 

Rend. Circ. Mat. Palermo, (68) 711-725, 2002  

Approximation by convex sums of convolution type operators in Banach spaces 

J. Nonlinear and Convex Anal, 2(1) 91-103, 2001  

Approximation by convex sums of convolution type operators in Banach spaces 

J. Nonlinear and Convex Anal, 2(1) 91-103, 2001  

Approximation by convex sums of convolution type operators in Banach spaces 

J. Nonlinear and Convex Anal, 2(1) 91-103, 2001  

The best approximation by projections in Banach spaces 

Taiwanese J. Math.,, 5(2) 375-386, 2001  

Approximation by convex sums of convolution type operators in Banach spaces 

J. Nonlinear and Convex Anal, 2(1) 91-103, 2001  

The best approximation by projections in Banach spaces 

Taiwanese J. Math, 5(2) 375-386, 2001  

General inverse theorems for the best approximation in Banach spaces, Proc. Int. Conf. Nonlinear Analysis and Convex Analysis, 

World Scientific, 281-288, 1999  

Bernstein-type approximation processes for vector-valued functions 

Acta Math. Hungar, 84(1-2) 153-162, 1999  

General inverse theorems for the best approximation in Banach spaces, Proc. Int. Conf. Nonlinear Analysis and Convex Analysis 

World Scientific, 281-288, 1999  

Bernstein-type approximation processes for vector-valued functions 

Acta Math. Hungar, 84(1,2) 153-162, 1999