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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao The Mathematical Int...arrow_drop_down
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The Mathematical Intelligencer
Article . 1985 . Peer-reviewed
License: Springer TDM
Data sources: Crossref
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
zbMATH Open
Article . 1985
Data sources: zbMATH Open
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Leonhard euler’s convenient numbers

Leonhard Euler's convenient numbers
Authors: Frei, Günther;

Leonhard euler’s convenient numbers

Abstract

Die Euler'schen ''numeri idonei'' sind jene natürlichen Zahlen m, für welche die Kompositionsklassengruppe binärer Formen der Diskriminante - 4m nur eine Klasse im Geschlecht hat; es wird über die wichtigsten Resultate von L. Euler, C. F. Gauss and \textit{F. Grube} [Über einige Euler'sche Sätze aus der Theorie der quadratischen Formen, Z. Math. Phys. 19, 492-519 (1874)] referiert.

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Keywords

Quadratic extensions, class number, Fibonacci and Lucas numbers and polynomials and generalizations, convenient numbers, Class numbers of quadratic and Hermitian forms, numeri idonei, quadratic fields, quadratic forms, Iwasawa theory

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
9
Average
Top 10%
Average
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