Ivan Vidav
Encyclopedia
Ivan Vidav is a Slovenian
Slovenians
The Slovenes, Slovene people, Slovenians, or Slovenian people are a South Slavic people primarily associated with Slovenia and the Slovene language.-Population:Most Slovenes today live within the borders of the independent Slovenia...

 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....

.

Ivan Vidav was born in Opčine
Villa Opicina
Villa Opicina is a village in north-eastern Italy, close to the Slovenian border at Fernetti . The first town in Slovenia after the border is Sežana, which is also where the first railway station in Slovenia is located after Villa Opicina....

 near Trieste
Trieste
Trieste is a city and seaport in northeastern Italy. It is situated towards the end of a narrow strip of land lying between the Adriatic Sea and Italy's border with Slovenia, which lies almost immediately south and east of the city...

 (Slovenian
Slovenian language
Slovene or Slovenian is a South Slavic language spoken by approximately 2.5 million speakers worldwide, the majority of whom live in Slovenia. It is the first language of about 1.85 million people and is one of the 23 official and working languages of the European Union...

 Trst), Italy
Italy
Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

. He is Josip Plemelj
Josip Plemelj
Josip Plemelj was a Slovene mathematician, whose main contributions were to the theory of analytic functions and the application of integral equations to potential theory.- Life :...

's student. Vidav got his Ph.D.
Doctor of Philosophy
Doctor of Philosophy, abbreviated as Ph.D., PhD, D.Phil., or DPhil , in English-speaking countries, is a postgraduate academic degree awarded by universities...

 under Plemelj's advisory in 1941 at the University of Ljubljana
University of Ljubljana
The University of Ljubljana is the oldest and largest university in Slovenia. With 64,000 enrolled graduate and postgraduate students, it is among the largest universities in Europe.-Beginnings:...

 with a dissertation Kleinovi teoremi v teoriji linearnih diferencialnih enačb (Klein
Felix Klein
Christian Felix Klein was a German mathematician, known for his work in group theory, function theory, non-Euclidean geometry, and on the connections between geometry and group theory...

's theorems in the theory of linear differential equation
Differential equation
A differential equation is a mathematical equation for an unknown function of one or several variables that relates the values of the function itself and its derivatives of various orders...

s
).

Vidav's main research interest are differential equations, functional analysis
Functional analysis
Functional analysis is a branch of mathematical analysis, the core of which is formed by the study of vector spaces endowed with some kind of limit-related structure and the linear operators acting upon these spaces and respecting these structures in a suitable sense...

 and algebra
Algebra
Algebra is the branch of mathematics concerning the study of the rules of operations and relations, and the constructions and concepts arising from them, including terms, polynomials, equations and algebraic structures...

. He is a regular member of Slovenian Academy of Sciences and Arts
Slovenian Academy of Sciences and Arts
The Slovenian Academy of Sciences and Arts is the national academy of Slovenia, which encompasses science and the arts and brings together the top Slovene researchers and artists as members of the academy....

. He was awarded the Prešeren Award
Prešeren Award
Prešeren Award is the highest decoration in the field of artistic and in the past also scientific creation in Slovenia awarded each year to one or two eminent Slovene artists...

.

From 1988 he is an honourable member of the Society of Mathematicians, Physicists and Astronomers of Slovenia
Society of Mathematicians, Physicists and Astronomers of Slovenia
The Society of Mathematicians, Physicists and Astronomers of Slovenia is the main Slovene society in the field of mathematics, physics and astronomy....

(DMFA).

External links

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