Leonhard Euler's convenient numbers

DOI10.1007/BF03025809zbMath0568.10008MaRDI QIDQ1060236

Guenther Frei

Publication date: 1985

Published in: The Mathematical Intelligencer (Search for Journal in Brave)

zbMATH Keywords

class numberquadratic formsquadratic fieldsconvenient numbersnumeri idonei

Mathematics Subject Classification ID

Quadratic extensions (11R11) Iwasawa theory (11R23) Class numbers of quadratic and Hermitian forms (11E41) Fibonacci and Lucas numbers and polynomials and generalizations (11B39)

Related Items (3)

Modular forms and \(K3\) surfaces ⋮ Tiling convex polygons with congruent equilateral triangles ⋮ The moduli spaces of Jacobians isomorphic to a product of two elliptic curves

Cites Work

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• On Euler's idoneal numbers
• Negative discriminant of binary quadratic forms with one class in each genus
• Exponents of the class groups of complex quadratic fields
• On Discriminants of Binary Quadratic Forms with a Single Class in Each Genus

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