Concepedia

Heinz‐Dieter Niessen

HN

Statistics

Publications

3

Citations

169

H-Index

3

Active since

1970

Affiliations

University of Duisburg-Essen(Current)

Heinz‐Dieter Niessen is an author at University of Duisburg-Essen specializing in boundary conditions, differential equations, and natural sciences.

Publications per year

1970–1992

3

Publications

3

Singular Sturm-Liouville Problems: The Friedrichs Extension and Comparison of Eigenvalues

Heinz‐Dieter Niessen, Anton Zettl · Proceedings of the London Mathematical Society · 1992 · 102 citations

, , +16

Singul�re S-hermitesche Rand-Eigenwertprobleme

Heinz‐Dieter Niessen · manuscripta mathematica · 1970 · 36 citations

The Friedrichs extension of regular ordinary differential operators

Heinz‐Dieter Niessen, Anton Zettl · Proceedings of the Royal Society of Edinburgh Section A Mathematics · 1990 · 31 citations

, , +7

1–3 of 3