Volume 2 ▶ Number 1 ▷ Number 2 ▷ Number 3 ▷ Number 4
Preface
Editorial. Page 1
Aldo Peretti
Full paper (PDF, 19 Kb)
On one generalization of the Fibonacci sequence. Part IV: Multiplicity roots of the characteristic equation
Original research paper. Pages 3–7
Peter G. Georgiev and Krassimir T. Atanassov
Full paper (PDF, 148 Kb)
On one generalization of the Fibonacci sequence. Part V: Some examples
Original research paper. Pages 8–13
Peter G. Georgiev and Krassimir T. Atanassov
Full paper (PDF, 259 Kb)
On one generalization of the Fibonacci sequence. Part VI: Some other examples
Original research paper. Pages 14–17
Peter G. Georgiev and Krassimir T. Atanassov
Full paper (PDF, 189 Kb)
A combinatorial summation identity for polygonal numbers
Original research paper. Pages 18–20
R. S. Melham and A. G. Shannon
Full paper (PDF, 90 Kb)
A set-method for representation of the solutions of some Diophantine equations and some of its applications
Original research paper. Pages 21–26
Krassimir T. Atanassov
Full paper (PDF, 329 Kb)
On the solutions of tm + tn = tx and tm − tn = ty
Original research paper. Pages 27–29
Krassimir T. Atanassov
Full paper (PDF, 119 Kb)
One property of ψ function
Original research paper. Pages 30–31
Vassia K. Atanassova
Full paper (PDF, 76 Kb)
A generalization of an arithmetic function
Original research paper. Pages 32–33
Krassimir T. Atanassov
Full paper (PDF, 76 Kb)
Two extremal problems
Original research paper. Pages 34–37
Krassimir T. Atanassov
Full paper (PDF, 158 Kb)
Four extremal problems
Original research paper. Pages 38–40
Krassimir T. Atanassov
Full paper (PDF, 158 Kb)
The numbers which cannot be values of Euler’s function φ
Original research paper. Pages 41–48
Mladen Vassilev-Missana
Full paper (PDF, 411 Kb)
Remarks on prime numbers
Original research paper. Pages 49–51
Krassimir T. Atanassov
Full paper (PDF, 175 Kb)
New integer functions related to ϕ and σ functions. V
Original research paper. Pages 52–55
Krassimir T. Atanassov
Full paper (PDF, 182 Kb)
Remark on set FA
Original research paper. Pages 56–57
Krassimir T. Atanassov
Full paper (PDF, 81 Kb)
Two variants of the concept “Logarithmic progression”
Original research paper. Pages 58–60
Krassimir T. Atanassov
Full paper (PDF, 155 Kb)