100 resultados de la búsqueda

51 - A conjecture of Erdos concerning inequalities for the Euler totient function,

Article

Publicationes Mathematicae Debrecen, Vol. 59, Issue 1-2, 2001, p. 9--16,
A. Grytczuk; F. Luca; M. Wójtowicz;

52 - Remarks on a sequence of minimal Niven numbers,

Incollection

Sequences, subsequences, and consequences, Vol. 4893, 2007, p. 162--168, Springer Verlag, Berlin
H. Fredricksen; E. J. Ionascu; F. Luca; P. Stanica;

53 - Strong pseudocompact properties,

Article

Commentationes Mathematicae Universitatis Carolinae, Vol. 55, Issue 1, 2014, p. 101-109,
García-Ferreira, S.; Ortiz-Castillo, Y. F;

54 - On a conjecture of Makowski and Schinzel concerning the composition of the arithmetic functions sigma and phi,

Article

Colloquium Mathematicum, Vol. 86, Issue 1, 2000, p. 31--36,
A. Grytczuk; F. Luca; M. Wójtowicz;

55 - Two Diophantine approaches to the irreducibility of certain trinomials,

Article

Acta Arithmetica, Vol. 128, Issue 2, 2007, p. 149--156,
M. Filaseta; F. Luca; P. Stanica; R. G. Underwood;

56 - On the greatest common divisor of two Cullen numbers,

Article

Abhandlungen aus dem Mathematischen Seminar der Universität Hamburg, Vol. 73, 2003, p. 253--270,
F. Luca;

57 - Preface [Special issue: In honor of F. Thomas Farrell and Lowell E. Jones],

Article

Pure and Applied Mathematics Quarterly, Vol. 8, Issue 1, 2012, p. front matter,
James F. Davis; Lizhen Ji; Daniel Juan-Pineda; Jean-François Lafont; Stratos Prassidis;

58 - Galois groups of polynomials arising from circulant matrices,

Article

Journal of Number Theory, Vol. 128, Issue 1, 2008, p. 59--70,
M. Filaseta; F. Luca; P. Stanica; R. G. Underwood;

59 - Positive integers whose Euler function is a power of their kernel function,

Article

Rocky Mountain Journal of Mathematics, Vol. 36, Issue 1, 2006, p. 81--96,
J.-M. De Koninck; F. Luca; A. Sankaranarayanan;

60 - Another note on the greatest prime factors of Fermat numbers,

Article

Southeast Asian Bulletin of Mathematics, Vol. 25, Issue 1, 2001, p. 111--115,
A. Grytczuk; M. Wójtowicz; F. Luca;

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