Jerzy Juliusz Kijowski (born May 4, 1943 in

Lublin Lublin is the ninth-largest city in Poland and the second-largest city of historical Lesser Poland. It is the capital and the center of Lublin Voivodeship with a population of 336,339 (December 2021). Lublin is the largest Polish city east of t ...

) – Polish physicist, Professor of Physical Sciences who specializes in physics, mathematics, classical and quantum field theory, and

theory of gravity In physics, gravity () is a fundamental interaction which causes mutual attraction between all things with mass or energy. Gravity is, by far, the weakest of the four fundamental interactions, approximately 1038 times weaker than the stron ...

Life and works

Graduated from Faculty of Physics of

University of Warsaw The University of Warsaw ( pl, Uniwersytet Warszawski, la, Universitas Varsoviensis) is a public university in Warsaw, Poland. Established in 1816, it is the largest institution of higher learning in the country offering 37 different fields of ...

In 1965. Then, at the same university he was granted a PhD in 1969 and

habilitation Habilitation is the highest university degree, or the procedure by which it is achieved, in many European countries. The candidate fulfills a university's set criteria of excellence in research, teaching and further education, usually including a ...

1973. On September 17, 1982 he was awarded the title of Professor of Physical Sciences. He is a theoretical physicist, professionally associated with the Centre for Theoretical Physics in Warsaw. He is also a professor of the Faculty of Mathematics and Natural Sciences Cardinal Stefan Wyszynski University in Warsaw and a visiting professor at universities in

Cologne Cologne ( ; german: Köln ; ksh, Kölle ) is the largest city of the German western States of Germany, state of North Rhine-Westphalia (NRW) and the List of cities in Germany by population, fourth-most populous city of Germany with 1.1 m ...

, Leipzig,

Turin Turin ( , Piedmontese language, Piedmontese: ; it, Torino ) is a city and an important business and cultural centre in Northern Italy. It is the capital city of Piedmont and of the Metropolitan City of Turin, and was the first Italian capital ...

, Milan, Rome ( Sapienza University of Rome),

Marseille Marseille ( , , ; also spelled in English as Marseilles; oc, Marselha ) is the prefecture of the French department of Bouches-du-Rhône and capital of the Provence-Alpes-Côte d'Azur region. Situated in the camargue region of southern Franc ...

Tours Tours ( , ) is one of the largest cities in the region of Centre-Val de Loire, France. It is the Prefectures in France, prefecture of the Departments of France, department of Indre-et-Loire. The Communes of France, commune of Tours had 136,463 ...

Louvain-la-Neuve Louvain-la-Neuve (, French for ''New Leuven''; wa, Li Noû Lovén) is a planned town in the municipality of Ottignies-Louvain-la-Neuve, Wallonia, Belgium, situated 30 km southeast of Brussels, in the province of Walloon Brabant. The town was ...

and polytechnics in

Aachen Aachen ( ; ; Aachen dialect: ''Oche'' ; French and traditional English: Aix-la-Chapelle; or ''Aquisgranum''; nl, Aken ; Polish: Akwizgran) is, with around 249,000 inhabitants, the 13th-largest city in North Rhine-Westphalia, and the 28th- ...

(RWTH,

Rheinisch-Westfälische Technische Hochschule Aachen RWTH Aachen University (), also known as North Rhine-Westphalia Technical University of Aachen, Rhine-Westphalia Technical University of Aachen, Technical University of Aachen, University of Aachen, or ''Rheinisch-Westfälische Technische Hoch ...

) and Claushal (Technische Universität Clausthal). From 1980–1985 he was a deputy director of the CFT PAN, in 1991–1992, he was the director of this center and, in 1996–1999, he held the position of the Head of the Department of Mathematical Methods in Physics, University of Warsaw. Scientific achievements of Professor Kijowski include the introduction of operator 'transition time' in

Quantum mechanics Quantum mechanics is a fundamental theory in physics that provides a description of the physical properties of nature at the scale of atoms and subatomic particles. It is the foundation of all quantum physics including quantum chemistry, ...

, new interpretation of

uncertainty principle In quantum mechanics, the uncertainty principle (also known as Heisenberg's uncertainty principle) is any of a variety of mathematical inequalities asserting a fundamental limit to the accuracy with which the values for certain pairs of physic ...

for the time and energy, providing a new, completely original variational principle for Einstein equations and the discovery of the affine, variational principle for

General Relativity Theory General relativity, also known as the general theory of relativity and Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of gravitation in modern physics. G ...

, as well as providing new, original positivity proof for gravitational energy. He was awarded several scientific awards, including: Award of the Polish Mathematical Society for a young mathematician (1969), the Zaremba Prize in applied mathematics (1972), the Award of Division III of the Polish Academy of Sciences (1980), and the "Master" award of the

Foundation for Polish Science The Foundation For Polish Science ( pl, Fundacja na rzecz Nauki Polskiej, FNP) is an independent, non-profit making organisation which aim at improving the opportunities for doing research in Poland. Established in 1990, registered in 1991, the ...

(1999–2003). In the years 1976–1977 he was awarded the Alexander-von-Humboldt Research Grant by Humboldt Foundation (Germany). He is a member of the editorial boards for '' Reports on Mathematical Physics'', ''

Acta Physica Polonica ''Acta Physica Polonica'' is an open access peer-reviewed scientific journal covering research in physics. It was established by the Polish Physical Society in 1920. In 1970 is split into two journals ''Acta Physica Polonica A'' and ''Acta Ph ...

'', and the co-founder and member of the editorial board of the ''

Journal of Geometry and Physics The ''Journal of Geometry and Physics'' is a scientific journal in mathematical physics. Its scope is to stimulate the interaction between geometry and physics by publishing primary research and review articles which are of common interest to prac ...

''.

References

{{DEFAULTSORT:Kijowski, Jerzy Juliusz University of Warsaw alumni Polish Scouts and Guides Polish relativity theorists 1943 births Living people