AbstractIn this paper the concept of strong uniqueness is extended to non-normal rational minimization problems. A characterization of those problems which have strongly unique solutions is given. To obtain this characterization a refinement of the Kolmogorov criterion is proved
International audienceIn this paper, we show the important roles of sharp minima and strong minima f...
AbstractIt seems not to be well known that best complex rational approximations, in the uniform norm...
AbstractThe uniqueness problem for Chebyshev approximation on compact subsets of 2-space by the fami...
AbstractIn this paper the concept of strong uniqueness is extended to non-normal rational minimizati...
The problem is considered of approximating continuous functions in the uniform norm by rational func...
AbstractThe problem is considered of approximating continuous functions in the uniform norm by ratio...
AbstractThe problem is considered of best approximation of finite number of functions simultaneously...
This paper presents a criterion for uniqueness of a critical point in H_2,R rational approximation o...
AbstractThe problem is considered of approximating continuous functions in the uniform norm by ratio...
AbstractA study of local strong uniqueness is given. Concepts of local strong uniqueness and directi...
AbstractLet Q be a compact subset of C and C(Q) the set of all continuous functions ƒ:Q←C. A given f...
AbstractIn the past it has been unknown whether complex rational best Chebyshev approximations (BAs)...
AbstractThe previously developed unified theory of constrained uniform approximation from a finite d...
AbstractThe previously developed unified theory of constrained uniform approximation from a finite d...
Standard second order sufficient conditions in optimal control theory provide not only the informati...
International audienceIn this paper, we show the important roles of sharp minima and strong minima f...
AbstractIt seems not to be well known that best complex rational approximations, in the uniform norm...
AbstractThe uniqueness problem for Chebyshev approximation on compact subsets of 2-space by the fami...
AbstractIn this paper the concept of strong uniqueness is extended to non-normal rational minimizati...
The problem is considered of approximating continuous functions in the uniform norm by rational func...
AbstractThe problem is considered of approximating continuous functions in the uniform norm by ratio...
AbstractThe problem is considered of best approximation of finite number of functions simultaneously...
This paper presents a criterion for uniqueness of a critical point in H_2,R rational approximation o...
AbstractThe problem is considered of approximating continuous functions in the uniform norm by ratio...
AbstractA study of local strong uniqueness is given. Concepts of local strong uniqueness and directi...
AbstractLet Q be a compact subset of C and C(Q) the set of all continuous functions ƒ:Q←C. A given f...
AbstractIn the past it has been unknown whether complex rational best Chebyshev approximations (BAs)...
AbstractThe previously developed unified theory of constrained uniform approximation from a finite d...
AbstractThe previously developed unified theory of constrained uniform approximation from a finite d...
Standard second order sufficient conditions in optimal control theory provide not only the informati...
International audienceIn this paper, we show the important roles of sharp minima and strong minima f...
AbstractIt seems not to be well known that best complex rational approximations, in the uniform norm...
AbstractThe uniqueness problem for Chebyshev approximation on compact subsets of 2-space by the fami...
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