Hrvoje Kraljević (born 16 March 1944) is

Croatia , image_flag = Flag of Croatia.svg , image_coat = Coat of arms of Croatia.svg , anthem = "Lijepa naša domovino"("Our Beautiful Homeland") , image_map = , map_caption = , capit ...

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, structure, space, models, and change. History On ...

and a former

politician A politician is a person active in party politics, or a person holding or seeking an elected office in government. Politicians propose, support, reject and create laws that govern the land and by an extension of its people. Broadly speaking, a ...

. He was born in

Zagreb Zagreb ( , , , ) is the capital (political), capital and List of cities and towns in Croatia#List of cities and towns, largest city of Croatia. It is in the Northern Croatia, northwest of the country, along the Sava river, at the southern slop ...

. He graduated

theoretical physics Theoretical physics is a branch of physics that employs mathematical models and abstractions of physical objects and systems to rationalize, explain and predict natural phenomena. This is in contrast to experimental physics, which uses experim ...

in 1966 and received his PhD in

mathematics Mathematics is an area of knowledge that includes the topics of numbers, formulas and related structures, shapes and the spaces in which they are contained, and quantities and their changes. These topics are represented in modern mathematics ...

in 1973 at the

Faculty of Science, University of Zagreb Faculty of Science ( hr, Prirodoslovno-matematički fakultet,lit. the Faculty of natural sciences and mathematics abbr: ''PMF'') is a faculty of the University of Zagreb that comprises seven departments - biology, physics, chemistry, mathemati ...

. He worked at the Faculty since 1966, becoming a full professor in 1982. He was awarded fellowships in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

(

Princeton Princeton University is a private research university in Princeton, New Jersey. Founded in 1746 in Elizabeth as the College of New Jersey, Princeton is the fourth-oldest institution of higher education in the United States and one of the nine ...

, 1974/75),

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

(

Palaiseau Palaiseau () is a commune in the southern suburbs of Paris, France. It is located from the centre of Paris. Palaiseau is a sub-prefecture of the Essonne department and the seat of the Arrondissement of Palaiseau. Inhabitants of Palaiseau are ...

, 1978) and

Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical re ...

(

Trento Trento ( or ; Ladin and lmo, Trent; german: Trient ; cim, Tria; , ), also anglicized as Trent, is a city on the Adige River in Trentino-Alto Adige/Südtirol in Italy. It is the capital of the autonomous province of Trento. In the 16th centu ...

in 1979, 1981). As a mathematician, he investigates

representation theory Representation theory is a branch of mathematics that studies abstract algebraic structures by ''representing'' their elements as linear transformations of vector spaces, and studies modules over these abstract algebraic structures. In essen ...

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 (e.g. Inner product space#Definition, inner product, Norm (mathematics)#Defini ...

and

algebra Algebra () is one of the broad areas of mathematics. Roughly speaking, algebra is the study of mathematical symbols and the rules for manipulating these symbols in formulas; it is a unifying thread of almost all of mathematics. Elementary a ...

. His most significant result is the research and of unitary and nonunitary dual group SU(''n'', 1), index generalization for semisimple

Banach algebra In mathematics, especially functional analysis, a Banach algebra, named after Stefan Banach, is an associative algebra A over the real or complex numbers (or over a non-Archimedean complete normed field) that at the same time is also a Banach spa ...

s, contributions to the research of Landau-type inequalities for infinitesimal generators to the theory of almost-summability. He was the director of Department of Mathematics at the Faculty of Science (1983–89), dean of the Faculty (1991–98), Editor-in-Chief of the journal '' Glasnik matematički'' (1990–1992) and editor of the conference proceedings ''Functional Analysis'' (1982, 1986, 1990, 1994). He was awarded Ruđer Bošković Science Award in 1983. He became a corresponding member of the

Croatian Academy of Sciences and Arts The Croatian Academy of Sciences and Arts ( la, Academia Scientiarum et Artium Croatica, hr, Hrvatska akademija znanosti i umjetnosti, abbrev. HAZU) is the national academy of Croatia. HAZU was founded under patronage of the Croatian bishop Jo ...

in 1992. He served as the Minister of Science and Technology in Croatia in 2000–2002, as a Member of Parliament and Chairman of the Parliamentary Committee for Science, Higher Education and Culture in 2002–2003.

References

{{DEFAULTSORT:Kraljevic, Hrvoje Croatian mathematicians 1944 births Living people Scientists from Zagreb Party of Liberal Democrats politicians Croatian Social Liberal Party politicians Representatives in the modern Croatian Parliament Mathematical analysts Functional analysts