On the equation \(\varphi(| x^m+y^m|)=| x^n+ y^n|\)

zbMath0923.11056MaRDI QIDQ1283628

Florian Luca

Publication date: 20 June 1999

Published in: Indian Journal of Pure \& Applied Mathematics (Search for Journal in Brave)

zbMATH Keywords

Lucas sequenceexponential diophantine equationEuler totient function

Mathematics Subject Classification ID

Arithmetic functions; related numbers; inversion formulas (11A25) Exponential Diophantine equations (11D61) Fibonacci and Lucas numbers and polynomials and generalizations (11B39)

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On the Euler function of repdigits ⋮ Diophantine equations involving Euler’s totient function

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