In Memoriam Dr. Karl-Heinz Leser

This is the homepage of Iufaa, the deceased Dr. Karl-Heinz Leser ( ∗ 10.05.1948, † 3.01.2018). This homepage should remind of his person and his work.

Angaben nach § 6 MDStV

Verantwortlich / Responsible:  Dr. Karl H. Leser (Iufaa) ∗ 10.05.1948 † 3.01.2018
Verfügungsberechtigte / authorized representative:  Gertrud Lingens-Leser
Anschrift / Address:  Max-Planck-Str. 3, 52428 Jülich
Email:  iufaa at

Der Inhaber dieser Webseite versucht, die hier vorgestellten Information möglichst akkurat wieder zugeben. Der Inhaber übernimmt jedoch keine Verantwortung, die sich aus der Verwendung der hier vorgestellten Informationen ergeben.
The owner of this website makes every effort to ensure that information contained in these pages is accurate. However, no liability is accepted arising from reliance upon information contained in these pages or any other information accessed via this site.

Copyright © Dr. Karl H. Leser
Der gesamte Inhalt, das Design und die Bilder dieser Webseite sind urheberechtlich geschützt  und dürfen nicht ohne schriftliche Zustimmung des Inhabers der Webseite weiter verwertet werden.
All content, design and images on this website are copyright and may not be reproduced for any purpose without the written permission of the copyright holder.
Material dieser Webseite darf nicht auf anderen Webseiten publiziert werden.
Any material forming a part of this website, is not to be used for publication on any other website.
Dank schulde ich an dieser Stelle - vor allem für Rat und Korrekturen  - 

At this point I want to express my thanks - above all, for advice and corrections - to

Frau Elke Noppes (Naunakhte), M.A.
und Michael Tilgner, Dipl.-Math.

Copyright: Dr. Karl H. Leser (Iufaa)

Responsible for the design of this website (according to § 55 para. 2 RStV)
Information to § 5 TMG

Gertrud Lingens-Leser
Max-Planck-Str. 3
52428 Jülich

Phone: +49 2461 9954549

Liability for content

The contents of this website have been created with great care. For the correctness, completeness and topicality of the contents, however, the responsible operator mentioned above can not assume any liability. According to § 7 Abs.1 TMG, the above operator is responsible for own content on these pages according to the general laws. According to §§ 8 to 10 TMG, however, the above-mentioned service provider is not obliged to monitor transmitted or stored third-party information or to investigate circumstances that indicate an illegal activity. Obligations to remove or block the use of information under general law remain unaffected. A liability in this regard, however, is only possible from the date of knowledge of a specific infringement. Upon notification of such violations, the above-identified operator will remove this content immediately.

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The websites of this domain contain links to external websites of third parties on whose contents the above operator has no influence. Therefore, this can not assume responsibility for third-party content. The respective provider or operator of the pages is always responsible for the contents of the linked pages. The linked pages were checked for possible legal violations at the time of linking. Illegal content was not recognizable at the time of linking. However, a permanent content control of the linked pages is not reasonable without concrete evidence of an infringement. Upon notification of violations, the above operator will remove such links immediately.


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Our extensive privacy policy can be found at Data protection