Štefan Znám
Encyclopedia
Štefan Znám was a Slovak
mathematician
, believed to be the first to ponder Znám's problem
in modern times.
Znám worked in the field of number theory
and graph theory
. He also co-founded journal Matematické obzory.
His Erdős number
is 2 by at least six different paths. For example, in 1968, Znám wrote a paper on "Strongly geodetic graphs" with Juraj Bosák in the Journal of Combinatorial Theory. Three years later, Bosák co-authored "Decompositions of complete graphs into factors with diameter two" with Erdős and Alexander Rosa in Matematický Časopis Slovenskej Akadémie Vied.
Slovaks
The Slovaks, Slovak people, or Slovakians are a West Slavic people that primarily inhabit Slovakia and speak the Slovak language, which is closely related to the Czech language.Most Slovaks today live within the borders of the independent Slovakia...
mathematician
Mathematician
A mathematician is a person whose primary area of study is the field of mathematics. Mathematicians are concerned with quantity, structure, space, and change....
, believed to be the first to ponder Znám's problem
Znám's problem
In number theory, Znám's problem asks which sets of k integers have the property that each integer in the set is a proper divisor of the product of the other integers in the set, plus 1. Znám's problem is named after the Slovak mathematician Štefan Znám, who suggested it in 1972, although other...
in modern times.
Znám worked in the field of number theory
Number theory
Number theory is a branch of pure mathematics devoted primarily to the study of the integers. Number theorists study prime numbers as well...
and graph theory
Graph theory
In mathematics and computer science, graph theory is the study of graphs, mathematical structures used to model pairwise relations between objects from a certain collection. A "graph" in this context refers to a collection of vertices or 'nodes' and a collection of edges that connect pairs of...
. He also co-founded journal Matematické obzory.
His Erdős number
Erdos number
The Erdős number describes the "collaborative distance" between a person and mathematician Paul Erdős, as measured by authorship of mathematical papers.The same principle has been proposed for other eminent persons in other fields.- Overview :...
is 2 by at least six different paths. For example, in 1968, Znám wrote a paper on "Strongly geodetic graphs" with Juraj Bosák in the Journal of Combinatorial Theory. Three years later, Bosák co-authored "Decompositions of complete graphs into factors with diameter two" with Erdős and Alexander Rosa in Matematický Časopis Slovenskej Akadémie Vied.