Štefan Znám (9 February 1936,

Veľký Blh Veľký Blh ( or ) is a village and municipality in the Rimavská Sobota District of the Banská Bystrica Region of southern Slovakia Slovakia, officially the Slovak Republic, is a landlocked country in Central Europe. It is bordered by Pol ...

– 17 July 1993,

Bratislava Bratislava (German: ''Pressburg'', Hungarian: ''Pozsony'') is the Capital city, capital and largest city of the Slovakia, Slovak Republic and the fourth largest of all List of cities and towns on the river Danube, cities on the river Danube. ...

) was a Slovak- Hungarian

mathematician A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, mathematical structure, structure, space, Mathematica ...

, believed to be the first to ponder Znám's problem in modern times. Znám worked in the field of

number theory Number theory is a branch of pure mathematics devoted primarily to the study of the integers and arithmetic functions. Number theorists study prime numbers as well as the properties of mathematical objects constructed from integers (for example ...

and

graph theory In mathematics and computer science, graph theory is the study of ''graph (discrete mathematics), graphs'', which are mathematical structures used to model pairwise relations between objects. A graph in this context is made up of ''Vertex (graph ...

. He also co-founded journal ''Matematické obzory''.

External links

Article on Štefan Znám in Matematický ústav SAV
* Czechoslovak mathematicians Slovak mathematicians 1936 births 1993 deaths Comenius University alumni Academic staff of Comenius University {{Europe-mathematician-stub