scientific article; zbMATH DE number 7663197

MaRDI QIDQ5882192

Tatyana L. Todorova, Zhivko Petrov

Publication date: 15 March 2023

Full work available at URL: https://www.fmi.uni-sofia.bg/en/node/9439

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

almost-primesLagrange's equationquadratic irrational numbers

Mathematics Subject Classification ID

Waring's problem and variants (11P05) Applications of sieve methods (11N36)

Cites Work

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• Representation of natural numbers by sums of four squares of integers having a special form
• Diophantine approximation
• Lagrange's equation with almost-prime variables
• Lagrange's Four Squares Theorem with almost prime variables.
• Lagranges four squares theorem with one prime and three almost-prime variables
• On the Equation x² ₁ + x² ₂ + x² ₃ + x² ₄ = N with Variables such that x₁x₂x₃x₄ + 1 is an Almost-Prime
• ГЕОМЕТРИЗАЦИЯ СИСТЕМ СЧИСЛЕНИЯ

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