11 Number theory
11Axx Elementary number theory (2 articles)
11A15 Power residues, reciprocity (12 articles)
- : On the heights of power digraphs modulo $n$. (English). Czechoslovak Mathematical Journal, vol. 62 (2012), issue 2, pp. 541-556
- : Characterization of power digraphs modulo $n$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 52 (2011), issue 3, pp. 359-367
- : Isomorphic digraphs from powers modulo $p$. (English). Czechoslovak Mathematical Journal, vol. 61 (2011), issue 3, pp. 771-779
- : The structure of digraphs associated with the congruence $x^k\equiv y \pmod n$. (English). Czechoslovak Mathematical Journal, vol. 61 (2011), issue 2, pp. 337-358
- : Properties of digraphs connected with some congruence relations. (English). Czechoslovak Mathematical Journal, vol. 59 (2009), issue 1, pp. 39-49
- : On semiregular digraphs of the congruence $x^k\equiv y \pmod n$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 48 (2007), issue 1, pp. 41-58
- : Distribution of quadratic non-residues which are not primitive roots. (English). Mathematica Bohemica, vol. 130 (2005), issue 4, pp. 387-396
- : On a connection of number theory with graph theory. (English). Czechoslovak Mathematical Journal, vol. 54 (2004), issue 2, pp. 465-485
- : On Lucas pseudoprimes of the form $ax^2+bxy+cy^2$ in arithmetic progression $AX+B$ with a prescribed value of the Jacobi symbol. (English). Acta Mathematica et Informatica Universitatis Ostraviensis, vol. 10 (2002), issue 1, pp. 103-109
- : A necessary and sufficient condition for the primality of Fermat numbers. (English). Mathematica Bohemica, vol. 126 (2001), issue 3, pp. 541-549
- : Note on the cubic residues. (English). Acta Mathematica et Informatica Universitatis Ostraviensis, vol. 5 (1997), issue 1, pp. 61-63
- : O devátém Hilbertově problému. (Czech) [Hilbert's ninth problem]. Pokroky matematiky, fyziky a astronomie, vol. 18 (1973), issue 2, pp. 90-96
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