Concepedia

U. Westphal

UW

8

Publications

219

Citations

8

H-Index

1968

Active since

Affiliations

Leibniz University Hannover(Current)

U. Westphal is an author at Leibniz University Hannover specializing in functional analysis, engineering, and approximation theory.

Top concepts

Functional AnalysisEngineeringApproximation TheoryStatisticsLarge DeviationsRepresentation TheoryStatistical InferenceMathematical Programming

Publications per year

1968–1998

8

Publications

8

An Approach to Fractional Powers of Operators via Fractional Differences

U. Westphal · Proceedings of the London Mathematical Society · 1974 · 57 citations

Linear Operator, Resolvent Kernel, Engineering +6

On the rate of approximation in the central limit theorem

P. L. Butzer, L. Hahn, U. Westphal · Journal of Approximation Theory · 1975 · 40 citations

Large Deviations, Engineering, Approximation Method +6

Fractional powers of closed operators

H. Hövel, U. Westphal · Studia Mathematica · 1972 · 36 citations · Full text

Linear Operator, Fractional-order System, Functional Analysis +2

Representation of fractional powers of infinitesimal generators of semigroups

Hubert Berens, P. L. Butzer, U. Westphal · Bulletin of the American Mathematical Society · 1968 · 25 citations · Full text

Topological Semigroups, Representation Theory, Transformation Semigroups +2

On a property of metric projections onto closed subsets of Hilbert spaces

J. Frerking, U. Westphal · Proceedings of the American Mathematical Society · 1989 · 18 citations · Full text

Mathematical Programming, Metric Projections, Metric Projection +6

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