Juha Heinonen (23 July 1960,
Toivakka
Toivakka is a municipality of Finland. It is located in the Central Finland region, near Jyväskylä. The municipality has a population of
() and covers an area of of which is water. The population density is . The municipality is unilingually ...
– 30 October 2007) was a Finnish mathematician, known for his research on
geometric function theory.
Biography
Heinonen, whose father was a lumberjack and local politician, grew up in a small town in central Finland. He studied mathematics at the
University of Jyväskylä and received his doctorate there in 1987 with a thesis on nonlinear potential theory.
His thesis advisor was Olli Martio. During the academic year 1987–1988 Heinonen was a visiting researcher at the ''Deutsche Forschunsgemeinschaft'' in Bonn and then at the ''Centre de Recerca Matemática'' in Barcelona.
[ He first came to the ]University of Michigan
, mottoeng = "Arts, Knowledge, Truth"
, former_names = Catholepistemiad, or University of Michigania (1817–1821)
, budget = $10.3 billion (2021)
, endowment = $17 billion (2021)As o ...
as a visiting graduate student in 1985, and then came back as a three-year postdoctoral assistant professor from 1988 to 1991. In 1992 he was hired there as a tenure-track assistant professor, and spent the rest of his career there until his death from kidney cancer in 2007. He was promoted to full professor in 2000. He was the author or coauthor of three books (one of which was published posthumously) and over 60 research articles.[
He was a leading contributor to the development of nonsmooth calculus in geometric analysis on ]metric space
In mathematics, a metric space is a set together with a notion of ''distance'' between its elements, usually called points. The distance is measured by a function called a metric or distance function. Metric spaces are the most general settin ...
s.[ His 2007 article ''Nonsmooth calculus'' is an important survey of the subject.][ (See page 3.)]
In 1992 Heinonen was a Sloan Research Fellow
The Sloan Research Fellowships are awarded annually by the Alfred P. Sloan Foundation since 1955 to "provide support and recognition to early-career scientists and scholars". This program is one of the oldest of its kind in the United States.
...
.[ In 2002 he was an Invited Speaker with talk ''The branch set of a quasireglar mapping'' at the ]International Congress of Mathematicians
The International Congress of Mathematicians (ICM) is the largest conference for the topic of mathematics. It meets once every four years, hosted by the International Mathematical Union (IMU).
The Fields Medals, the Nevanlinna Prize (to be rename ...
in Beijing
}
Beijing ( ; ; ), alternatively romanized as Peking ( ), is the capital of the People's Republic of China. It is the center of power and development of the country. Beijing is the world's most populous national capital city, with over 21 ...
.Finnish Academy of Science and Letters
The Finnish Academy of Science and Letters (Finnish ''Suomalainen Tiedeakatemia''; Latin ''Academia Scientiarum Fennica'') is a Finnish learned society. It was founded in 1908 and is thus the second oldest academy in Finland. The oldest is the Fi ...
.[
In 1991 he married the mathematician Karen E. Smith. They had three children.][
]
Selected publications
Articles
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Books and monographs
* (originally published by Oxford University Press in 1993)
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References
External links
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{{DEFAULTSORT:Heinonen, Juha
1960 births
2007 deaths
Finnish mathematicians
University of Jyväskylä alumni
University of Michigan faculty
University of Michigan alumni
Members of the Finnish Academy of Science and Letters
People from Toivakka