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  Jozsef Sandor    
    Editor and Author  
    Email: jsandor@math.ubbcluj.ro  

Department of Mathematics,
Babes-Bolyai University,
Str. Kogalniceanu,
3400 Cluj-Napoca

    Research Areas :
  • 11A (Elementary number theory),
  • 11D (Diophantine equations),
  • 11J72,
  • 11J82 (Irrationality and transcendence); 
  • 11N (Multiplicative numbner theory);
  • 26D15 (Inequalities for series, sums and integrals), 
  • 26D99 (Especially the Theory of means); 
  • 33B15 (Gamma functions)
  • 39B (Functional equations); 
  • 46C (Inner product spaces);
  • 51 (Classical geometry, especially Geometric inequalities);
  • 52 (General convexity);
  • 65B10-15 (Summation of series, Euler-Maclaurin formula);
  • 49J52 (Nonsmooth analysis)
  • 40A (Divergence and convergence of infinite processes);
  • 26A51 (Convexity and generalizations); 
  • 01 (History of Mathematics)
Other : Prefers papers to be sent electronically as LATEX files with a copy in DVI or PDF format. Papers may also be sent by ordinary (surface) mail.  
    Articles: On Multiplicatively Perfect Numbers   Volume 2, Issue 1
    On Multiplicatively $e$-Perfect Numbers   Volume 5, Issue 4
    A Note on Certain Inequalities for the Gamma Function   Volume 6, Issue 3
    On the Composition of Some Arithmetic Functions, II   Volume 6, Issue 3
    Inequalities for General Integral Means   Volume 7, Issue 1
    On Certain Inequalities for Means in Two Variables   Volume 10, Issue 2

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