Shmuel Agmon ( he, שמואל אגמון; born 2 February 1922) is an Israeli mathematician. He is known for his work in

analysis Analysis ( : analyses) is the process of breaking a complex topic or substance into smaller parts in order to gain a better understanding of it. The technique has been applied in the study of mathematics and logic since before Aristotle (38 ...

and

partial differential equations In mathematics, a partial differential equation (PDE) is an equation which imposes relations between the various partial derivatives of a multivariable function. The function is often thought of as an "unknown" to be solved for, similarly to ...

Biography

Shmuel Agmon was born in

Tel Aviv Tel Aviv-Yafo ( he, תֵּל־אָבִיב-יָפוֹ, translit=Tēl-ʾĀvīv-Yāfō ; ar, تَلّ أَبِيب – يَافَا, translit=Tall ʾAbīb-Yāfā, links=no), often referred to as just Tel Aviv, is the most populous city in the G ...

to writer Nathan Agmon and Chaya Gutman, and spent the first years of his life in

Nazareth Nazareth ( ; ar, النَّاصِرَة, ''an-Nāṣira''; he, נָצְרַת, ''Nāṣəraṯ''; arc, ܢܨܪܬ, ''Naṣrath'') is the largest city in the Northern District of Israel. Nazareth is known as "the Arab capital of Israel". In ...

. A member of the

HaMahanot HaOlim Hamahanot Haolim is the first youth study group with Zionistic and socialistic philosophy to be founded in Israel. Since its inception in 1929, members of Hamahanot Haolim have continually worked to promote a wide range of projects that benefit Isr ...

youth movement, Agmon studied at the

Gymnasia Rehavia Rehavia Gymnasium or the Jerusalem Rehavia Gymnasium, by its Hebrew name Gymnasia Rehavia ( he, גמנסיה רחביה, Gimnazya Rehavya), is a high school in the Rehavia neighborhood in West Jerusalem. History The high school's initial name wa ...

and joined a

hakhshara Hakhshara ( he, הַכְשָׁרָה; also transliterated Hachshara or Hakhsharah) is a Hebrew word that literally means "preparation". The term is used for training programs and agricultural centres in Europe and elsewhere. At these centers Zioni ...

program at Kibbutz Na'an after graduating from high school. He began his studies in mathematics at the

Hebrew University of Jerusalem The Hebrew University of Jerusalem (HUJI; he, הַאוּנִיבֶרְסִיטָה הַעִבְרִית בִּירוּשָׁלַיִם) is a public research university based in Jerusalem, Israel. Co-founded by Albert Einstein and Dr. Chaim Weiz ...

in 1940, but enlisted in the

Jewish Brigade The Jewish Infantry Brigade Group, more commonly known as the Jewish Brigade Group or Jewish Brigade, was a military formation of the British Army in the Second World War. It was formed in late 1944 and was recruited among Yishuv Jews from Manda ...

of the

British Army The British Army is the principal land warfare force of the United Kingdom, a part of the British Armed Forces along with the Royal Navy and the Royal Air Force. , the British Army comprises 79,380 regular full-time personnel, 4,090 Gurk ...

before graduating. He served for four years in

Cyprus Cyprus ; tr, Kıbrıs (), officially the Republic of Cyprus,, , lit: Republic of Cyprus is an island country located south of the Anatolian Peninsula in the eastern Mediterranean Sea. Its continental position is disputed; while it is geo ...

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 ...

and

Belgium Belgium, ; french: Belgique ; german: Belgien officially the Kingdom of Belgium, is a country in Northwestern Europe. The country is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeast, France to th ...

during

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

. After his discharge, he completed his undergraduate and master's degrees at the Hebrew University and went to

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 ...

for further studies. He obtained a

Ph.D A Doctor of Philosophy (PhD, Ph.D., or DPhil; Latin: or ') is the most common Academic degree, degree at the highest academic level awarded following a course of study. PhDs are awarded for programs across the whole breadth of academic fields ...

. from

Paris-Sorbonne University Paris-Sorbonne University (also known as Paris IV; french: Université Paris-Sorbonne, Paris IV) was a public research university in Paris, France, active from 1971 to 2017. It was the main inheritor of the Faculty of Humanities of the Universit ...

in 1949, under the supervision of

Szolem Mandelbrojt Szolem Mandelbrojt (10 January 1899 – 23 September 1983) was a Polish-French mathematician who specialized in mathematical analysis. He was a professor at the Collège de France from 1938 to 1972, where he held the Chair of Analytical Mechanics ...

. He returned to

Jerusalem Jerusalem (; he, יְרוּשָׁלַיִם ; ar, القُدس ) (combining the Biblical and common usage Arabic names); grc, Ἱερουσαλήμ/Ἰεροσόλυμα, Hierousalḗm/Hierosóluma; hy, Երուսաղեմ, Erusałēm. i ...

after working as a

visiting scholar In academia, a visiting scholar, visiting researcher, visiting fellow, visiting lecturer, or visiting professor is a scholar from an institution who visits a host university to teach, lecture, or perform research on a topic for which the visitor ...

Rice University William Marsh Rice University (Rice University) is a Private university, private research university in Houston, Houston, Texas. It is on a 300-acre campus near the Houston Museum District and adjacent to the Texas Medical Center. Rice is ranke ...

from 1950 to 1952, and was appointed

full professor Professor (commonly abbreviated as Prof.) is an academic rank at universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who professes". Professors ...

at the Hebrew University in 1959.

Work

Agmon's contributions to partial differential equations include Agmon's method for proving exponential decay of eigenfunctions for elliptic operators.

Awards

Agmon was awarded the 1991

Israel Prize The Israel Prize ( he, פרס ישראל; ''pras israél'') is an award bestowed by the State of Israel, and regarded as the state's highest cultural honor. History The Israel Prize is awarded annually, on Israeli Independence Day, in a state cer ...

in mathematics. He received the 2007

EMET Prize The EMET Prize for Art, Science and Culture is an Israeli prize awarded annually for excellence in academic and professional achievements that have far-reaching influence and make a significant contribution to society. Prizes are awarded in the fol ...

"''for paving new paths in the study of partial-elliptical differential equations and their problematic language and for advancing the knowledge in the field, as well as his essential contribution to the development of the Spectral Theory and the Distribution Theory of Schrödinger Operators.''" He has also received the Weizmann Prize and the Rothschild Prize. In 2012 he became a fellow of the

American Mathematical Society The American Mathematical Society (AMS) is an association of professional mathematicians dedicated to the interests of mathematical research and scholarship, and serves the national and international community through its publications, meetings, ...

Selected works

* *with

Lipman Bers Lipman Bers ( Latvian: ''Lipmans Berss''; May 22, 1914 – October 29, 1993) was a Latvian-American mathematician, born in Riga, who created the theory of pseudoanalytic functions and worked on Riemann surfaces and Kleinian groups. He was also kn ...

: * * *; * * *

External links

References