Concepedia

H. Helling

HH

Statistics

Publications

4

Citations

107

H-Index

4

Active since

1970

Affiliations

Bielefeld University(Current)

H. Helling is an author at Bielefeld University specializing in geometric group theory, representation theory, and education.

Top concepts

Publications per year

1970–2000

4

Publications

4

Some honey-combs in hyperbolic 3-space

H. Helling, A. C. Kim, J. L. Mennicke · Communications in Algebra · 1995 · 34 citations

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SL 2 over complex quadratic number fields. I

Fritz Grunewald, H. Helling, J. Mennicke · Algebra and Logic · 1978 · 34 citations

, , +2

On the Commensurability Class of the Rational Modular Group

H. Helling · Journal of the London Mathematical Society · 1970 · 27 citations

, , +1

A Note on the Automorphism Group of the Rank Two Free Group

H. Helling · Journal of Algebra · 2000 · 12 citations

, , +6

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