Concepedia

Jens Peter Christensen

JP

14

Publications

850

Citations

13

H-Index

1970

Active since

Affiliations

University of Copenhagen(Current)

Jens Peter Christensen is an author at University of Copenhagen specializing in functional analysis, invariant measures, and engineering.

Top concepts

Functional AnalysisEngineeringInvariant MeasuresEducationLinear GroupsSpectral TheoryIntegral GeometryTopological GroupsGeometric Group Theory

Publications per year

1970–1982

14

Publications

14

On sets of Haar measure zero in abelian polish groups

Jens Peter Christensen · Israel Journal of Mathematics · 1972 · 264 citations

Measure Theory, Invariant Measures, Frattini Subgroup +3

On the existence of pathological submeasures and the construction of exotic topological groups

Wojchiech Herer, Jens Peter Christensen · Mathematische Annalen · 1975 · 99 citations

Topological Dynamic, Set-theoretic Topology, Topological Groups +5

Positive definite functions on Abelian semigroups

Christian Berg, Jens Peter Christensen, Paul Ressel · Mathematische Annalen · 1976 · 81 citations

Spectral Theory, Topological Semigroups, Linear Operator +4

Joint continuity of separately continuous functions

Jens Peter Christensen · Proceedings of the American Mathematical Society · 1981 · 77 citations · Full text

Math Xmlns, Joint Continuity, Annotation Encoding= +3

Theorems of Namioka and R. E. Johnson type for upper semicontinuous and compact valued set-valued mappings

Jens Peter Christensen · Proceedings of the American Mathematical Society · 1982 · 72 citations

Topological Semigroups, Such Mappings, Set-theoretic Topology +3

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