Manfredo do Carmo
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Manfredo Perdigão do Carmo (15 August 1928,
Maceió Maceió (), formerly sometimes Anglicised as Maceio, is the capital and the largest city of the coastal state of Alagoas, Brazil. The name "Maceió" is an Indigenous term for a spring. Most maceiós flow to the sea, but some get trapped and form l ...
– 30 April 2018,
Rio de Janeiro Rio de Janeiro ( , , ; literally 'River of January'), or simply Rio, is the capital of the state of the same name, Brazil's third-most populous state, and the second-most populous city in Brazil, after São Paulo. Listed by the GaWC as a b ...
) was a Brazilian
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 ...
. He spent most of his career at
IMPA is a recurring fictional character in Nintendo's ''The Legend of Zelda'' series. She is one of the oldest and most frequently recurring characters in the series, having appeared in six titles of ''The Legend of Zelda'' games and several spin-off ...
and is seen as the doyen of
differential geometry Differential geometry is a mathematical discipline that studies the geometry of smooth shapes and smooth spaces, otherwise known as smooth manifolds. It uses the techniques of differential calculus, integral calculus, linear algebra and multili ...
in Brazil.


Education and career

Do Carmo studied
civil engineering Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including public works such as roads, bridges, canals, dams, airports, sewage ...
at the
University of Recife Federal University of Pernambuco ( pt, Universidade Federal de Pernambuco, UFPE) is a public university in Recife, Brazil, established in 1946. UFPE has 70 undergraduate courses and 175 postgraduate courses. , UFPE had 35,000 students and 2,000 ...
from 1947 to 1951. After working a few years as engineer, he accepted a teaching position at the newly created Institute of Physics and Mathematics at Recife. On suggestion of Elon Lima, in 1959 he went to
Instituto Nacional de Matemática Pura e Aplicada The Instituto Nacional de Matemática Pura e Aplicada (IMPA; en, National Institute for Pure and Applied Mathematics) is widely considered to be the foremost research and educational institution of Brazil in the area of mathematics. It is loc ...
to improve his background and in 1960 he moved to the USA to pursue a Ph.D. in mathematics at the
University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant u ...
under the supervision of
Shiing-Shen Chern Shiing-Shen Chern (; , ; October 28, 1911 – December 3, 2004) was a Chinese-American mathematician and poet. He made fundamental contributions to differential geometry and topology. He has been called the "father of modern differential geome ...
. He defended his thesis, entitled "''The Cohomology Ring of Certain Kahlerian Manifolds''", in 1963. After working again at
University of Recife Federal University of Pernambuco ( pt, Universidade Federal de Pernambuco, UFPE) is a public university in Recife, Brazil, established in 1946. UFPE has 70 undergraduate courses and 175 postgraduate courses. , UFPE had 35,000 students and 2,000 ...
and at the
University of Brasilia A university () is an institution of higher (or tertiary) education and research which awards academic degrees in several academic disciplines. Universities typically offer both undergraduate and postgraduate programs. In the United States, the ...
, in 1966 he became professor at
Instituto Nacional de Matemática Pura e Aplicada The Instituto Nacional de Matemática Pura e Aplicada (IMPA; en, National Institute for Pure and Applied Mathematics) is widely considered to be the foremost research and educational institution of Brazil in the area of mathematics. It is loc ...
(IMPA) in
Rio de Janeiro Rio de Janeiro ( , , ; literally 'River of January'), or simply Rio, is the capital of the state of the same name, Brazil's third-most populous state, and the second-most populous city in Brazil, after São Paulo. Listed by the GaWC as a b ...
. From 2003 to his death he was
emeritus professor ''Emeritus'' (; female: ''emerita'') is an adjective used to designate a retired chair, professor, pastor, bishop, pope, director, president, prime minister, rabbi, emperor, or other person who has been "permitted to retain as an honorary title ...
at the same institution. Do Carmo was a
Guggenheim Fellow Guggenheim Fellowships are grants that have been awarded annually since by the John Simon Guggenheim Memorial Foundation to those "who have demonstrated exceptional capacity for productive scholarship or exceptional creative ability in the ar ...
in
1965 Events January–February * January 14 – The Prime Minister of Northern Ireland and the Taoiseach of the Republic of Ireland meet for the first time in 43 years. * January 20 ** Lyndon B. Johnson is Second inauguration of Lyndo ...
and 1968.Biography from the Guggenheim Foundation
/ref> In 1978 he was invited speaker 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 ...
held in
Helsinki Helsinki ( or ; ; sv, Helsingfors, ) is the Capital city, capital, primate city, primate, and List of cities and towns in Finland, most populous city of Finland. Located on the shore of the Gulf of Finland, it is the seat of the region of U ...
. In 1991 he obtained a Doctorate ''
honoris causa An honorary degree is an academic degree for which a university (or other degree-awarding institution) has waived all of the usual requirements. It is also known by the Latin phrases ''honoris causa'' ("for the sake of the honour") or ''ad hono ...
'' from
Federal University of Alagoas Located in the city of Maceió, the Federal University of Alagoas ( pt, Universidade Federal de Alagoas, UFAL or Ufal) is the major university in coastal state Alagoas and one of the main research centers in Brazilian north eastern region (one o ...
and in 2012 from
University of Murcia The University of Murcia ( es, Universidad de Murcia) is the main university in Murcia, Spain. With 38,000 students, it is the largest university in the Región de Murcia. The University of Murcia is the third oldest university in Spain, after t ...
and from
Federal University of Amazonas The Federal University of Amazonas ( pt, Universidade Federal do Amazonas, UFAM) is a public university located in Manaus, Amazonas, Brazil. It is the oldest university in Brazil and one of the largest universities in the northern region of Br ...
. He served as president of the
Brazilian Mathematical Society The Brazilian Mathematical Society ( pt, Sociedade Brasileira de Matemática, SBM) is a professional association founded in 1969 at Instituto de Matemática Pura e Aplicada to promote mathematics education in Brazil. Presidents *1969–1971 ...
in the term 1971–1973. He was elected a member of the
Brazilian Academy of Sciences The Brazilian Academy of Sciences ( pt, italic=yes, Academia Brasileira de Ciências or ''ABC'') is the national academy of Brazil. It is headquartered in the city of Rio de Janeiro and was founded on May 3, 1916. Publications It publishes a lar ...
in 1970, a member of
The World Academy of Sciences The World Academy of Sciences (TWAS) is a merit-based science academy established for developing countries, uniting 1,000 scientists in some 70 countries. Its principal aim is to promote scientific capacity and excellence for sustainable devel ...
(TWAS) in 1997 and 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, ...
In 2013. Among his awards, he received the Prêmio Almirante Álavaro Alberto from the
National Council for Scientific and Technological Development The Brazilian National Council for Scientific and Technological Development (CNPq, pt, Conselho Nacional de Desenvolvimento Científico e Tecnológico, earlier ) is an organization of the Brazilian federal government under the Ministry of Scienc ...
in 1984, the TWAS Prize in Mathematics in 1992, the
National Order of Scientific Merit The National Order of Scientific Merit ( pt, Ordem Nacional do Mérito Científico) is an honor bestowed upon Brazilian and foreign personalities recognized for their scientific and technical contributions to the cause and development of science in ...
in 1995 and the ''Comenda Graciliano Ramos'' from the municipality of
Maceió Maceió (), formerly sometimes Anglicised as Maceio, is the capital and the largest city of the coastal state of Alagoas, Brazil. The name "Maceió" is an Indigenous term for a spring. Most maceiós flow to the sea, but some get trapped and form l ...
in 2000. Do Carmo died on 30 April 2018 at the age of 89.


Research

Do Carmo's main research interests were
Riemannian geometry Riemannian geometry is the branch of differential geometry that studies Riemannian manifolds, smooth manifolds with a ''Riemannian metric'', i.e. with an inner product on the tangent space at each point that varies smoothly from point to poin ...
and the
differential geometry of surfaces In mathematics, the differential geometry of surfaces deals with the differential geometry of smooth surfaces with various additional structures, most often, a Riemannian metric. Surfaces have been extensively studied from various perspectives ...
. In particular, he worked on rigidity and convexity of isometric immersions, stability of
hypersurface In geometry, a hypersurface is a generalization of the concepts of hyperplane, plane curve, and surface. A hypersurface is a manifold or an algebraic variety of dimension , which is embedded in an ambient space of dimension , generally a Euclidean ...
s and of
minimal surface In mathematics, a minimal surface is a surface that locally minimizes its area. This is equivalent to having zero mean curvature (see definitions below). The term "minimal surface" is used because these surfaces originally arose as surfaces that ...
s,
topology In mathematics, topology (from the Greek language, Greek words , and ) is concerned with the properties of a mathematical object, geometric object that are preserved under Continuous function, continuous Deformation theory, deformations, such ...
of
manifold In mathematics, a manifold is a topological space that locally resembles Euclidean space near each point. More precisely, an n-dimensional manifold, or ''n-manifold'' for short, is a topological space with the property that each point has a n ...
s,
isoperimetric problem In mathematics, the isoperimetric inequality is a geometric inequality involving the perimeter of a set and its volume. In n-dimensional space \R^n the inequality lower bounds the surface area or perimeter \operatorname(S) of a set S\subset\R^n by ...
s, minimal submanifolds of a
sphere A sphere () is a Geometry, geometrical object that is a solid geometry, three-dimensional analogue to a two-dimensional circle. A sphere is the Locus (mathematics), set of points that are all at the same distance from a given point in three ...
, and manifolds of constant
mean curvature In mathematics, the mean curvature H of a surface S is an ''extrinsic'' measure of curvature that comes from differential geometry and that locally describes the curvature of an embedded surface in some ambient space such as Euclidean space. The ...
and vanishing
scalar curvature In the mathematical field of Riemannian geometry, the scalar curvature (or the Ricci scalar) is a measure of the curvature of a Riemannian manifold. To each point on a Riemannian manifold, it assigns a single real number determined by the geometry ...
. Do Carmo published more than 100 papers in peer-reviewed journals; in 2012 a selection of his works was published by
Springer Springer or springers may refer to: Publishers * Springer Science+Business Media, aka Springer International Publishing, a worldwide publishing group founded in 1842 in Germany formerly known as Springer-Verlag. ** Springer Nature, a multinationa ...
. He is also known for his textbooks: they were translated into many languages and used in courses from universities such as
Harvard Harvard University is a private Ivy League research university in Cambridge, Massachusetts. Founded in 1636 as Harvard College and named for its first benefactor, the Puritan clergyman John Harvard, it is the oldest institution of higher le ...
and Columbia. He supervised 27 PhD students, including
Celso Costa Celso José da Costa (born April 7, 1949 in Congonhinhas) is a Brazilian mathematician working in differential geometry. His research activity has focused in the construction and classification of minimal surfaces embedded in three-dimensional Eu ...
, Marcos Dajczer and
Keti Tenenblat Keti Tenenblat (born 27 November 1944 in Izmir, Turkey) is a Turkish- Brazilian mathematician working on Riemannian geometry, the applications of differential geometry to partial differential equations, and Finsler geometry. Together with Chuu-L ...
.


Books

*''Differential Geometry of Curves and Surfaces'',
Prentice-Hall Prentice Hall was an American major educational publisher owned by Savvas Learning Company. Prentice Hall publishes print and digital content for the 6–12 and higher-education market, and distributes its technical titles through the Safari B ...
, 1976 *''Riemannian Geometry'', Birkhäuser, 1992 *''Differential Forms and Applications'', Springer Verlag, Universitext, 1994 *(with Eduardo Wagner and Augusto Cezar de Oliveira Morgado). ''Trigonometria – Números Complexos''


References

{{DEFAULTSORT:Carmo, Manfredo do 1928 births 2018 deaths People from Maceió Differential geometers 20th-century Brazilian mathematicians University of California, Berkeley alumni Instituto Nacional de Matemática Pura e Aplicada researchers Fellows of the American Mathematical Society Members of the Brazilian Academy of Sciences Brazilian Mathematical Society TWAS laureates Textbook writers