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Juan Felipe Cucker Farkas (born 1958) is an
Uruguayan Uruguay (; ), officially the Oriental Republic of Uruguay ( es, República Oriental del Uruguay), is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast; while bordering ...
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
theoretical computer scientist computer science (TCS) is a subset of general computer science and mathematics that focuses on mathematical aspects of computer science such as the theory of computation, lambda calculus, and type theory. It is difficult to circumscribe the th ...
who has done research into the complexity theory of the Blum–Shub–Smale computational model and the complexity of
numerical algorithm Numerical analysis is the study of algorithms that use numerical approximation (as opposed to symbolic manipulations) for the problems of mathematical analysis (as distinguished from discrete mathematics). It is the study of numerical methods ...
s in linear programming and
numerical algebraic geometry Numerical algebraic geometry is a field of computational mathematics, particularly computational algebraic geometry, which uses methods from numerical analysis to study and manipulate the solutions of system of polynomial equations, systems of polyn ...
.


Biography

Cucker was born in Montevideo in
1958 Events January * January 1 – The European Economic Community (EEC) comes into being. * January 3 – The West Indies Federation is formed. * January 4 ** Edmund Hillary's Commonwealth Trans-Antarctic Expedition completes the third ...
. Also: . Due to the situation in Uruguay in the 70s, he emigrated to
Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...
to study the
bachelor A bachelor is a man who is not and has never been married.Bachelors are, in Pitt & al.'s phrasing, "men who live independently, outside of their parents' home and other institutional settings, who are neither married nor cohabitating". (). Etymo ...
of mathematics at the
University of Barcelona The University of Barcelona ( ca, Universitat de Barcelona, UB; ; es, link=no, Universidad de Barcelona) is a public university located in the city of Barcelona, Catalonia, in Spain. With 63,000 students, it is one of the biggest universities i ...
, which he completed in 1983. He obtained his
Ph.D. A Doctor of Philosophy (PhD, Ph.D., or DPhil; Latin: or ') is the most common degree at the highest academic level awarded following a course of study. PhDs are awarded for programs across the whole breadth of academic fields. Because it is ...
degree at the
University of Cantabria University of Cantabria (UC) ( es, Universidad de Cantabria), is a public university located in Santander, Torrelavega and Comillas in Cantabria, Spain. It was founded in 1972 and is organized in 15 schools and colleges. It was selected ...
and
University of Rennes 1 The University of Rennes 1 is a public university located in the city of Rennes, France. It is under the Academy of Rennes. It specializes in science, technology, law, economics, management and philosophy. There are currently about students en ...
in 1986 under the supervision Tomás Recio and Michel Coste. His thesis was about Nash functions on real
algebraic varieties Algebraic varieties are the central objects of study in algebraic geometry, a sub-field of mathematics. Classically, an algebraic variety is defined as the set of solutions of a system of polynomial equations over the real or complex numbers. ...
. From 1987 to 1992 Cucker was
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
Polytechnic University of Catalonia The Technical University of Catalonia ( ca, Universitat Politècnica de Catalunya, , es, link=no, Universidad Politécnica de Cataluña; UPC), currently referred to as BarcelonaTech, is the largest engineering university in Catalonia, Spai ...
. In 1992 Cucker became
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 recently created
Pompeu Fabra University Pompeu Fabra University ( ca, Universitat Pompeu Fabra, UPF, ; es, link=no, Universidad Pompeu Fabra) is a public university located in the city of Barcelona, Catalonia in Spain. The university was created by the Autonomous Government of Catalo ...
. In 1995 he was promoted to chair professor at this university. In 1993 he organized the workshop Continuous Algorithms and Complexity at the Centre de Recerca Matemàtica in
Barcelona Barcelona ( , , ) is a city on the coast of northeastern Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second most populous municipality of Spain. With a population of 1.6 million within ci ...
where he started his long-term collaboration with
Lenore Blum Lenore Carol Blum (née Epstein, born December 18, 1942) is an American computer scientist and mathematician who has made pioneering contributions to the theories of real number computation, cryptography, and pseudorandom number generation. She ...
,
Michael Shub Michael Ira Shub (born August 17, 1943) is an American mathematician who has done research into dynamical systems and the complexity of real number algorithms. Biography Shub obtained his Ph.D. degree at the University of California, Berkele ...
, and Steve Smale. In 1996 he moved with them to the
City University of Hong Kong City University of Hong Kong (CityU) is a world-class public research university located in Kowloon Tong, Hong Kong. It was founded in 1984 as City Polytechnic of Hong Kong and became a fully accredited university in 1994. Currently, CityU is ...
to write the book Complexity and Real Computation. Although this was intended as a temporal position, Cucker would stay in
Hong Kong Hong Kong ( (US) or (UK); , ), officially the Hong Kong Special Administrative Region of the People's Republic of China (abbr. Hong Kong SAR or HKSAR), is a city and special administrative region of China on the eastern Pearl River Delta i ...
and became an associate professor of this university in 1998,
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 ...
in 2003, and chair professor in 2006. Cucker was one of the founders of the nonprofit association
Foundations of Computational Mathematics Foundations of Computational Mathematics (FoCM) is an international nonprofit organization that supports and promotes research at the interface of mathematics and computation. It fosters interaction among mathematics, computer science, and other ...
, of which he has been a member of the Board of Directors since its creation in 1995 until 2017. Additionally, Cucker was Chair of this society from 2008 to 2011 and Editor-in-Chief of its journal from 2011 to 2017. In 2006 Cucker was named foreign member of the Royal Academy of Sciences and Arts of Barcelona. From 2017 to 2019 Cucker was Einstein Visiting Fellow of the Berlin Mathematical School and the
Technical University Berlin The Technical University of Berlin (official name both in English and german: link=no, Technische Universität Berlin, also known as TU Berlin and Berlin Institute of Technology) is a public research university located in Berlin, Germany. It was ...
. In 2019, the conference ''Complexity of numerical computation: A conference in honor of Felipe Cucker'' was organised at the Technical University of Berlin in
Berlin Berlin ( , ) is the capital and List of cities in Germany by population, largest city of Germany by both area and population. Its 3.7 million inhabitants make it the European Union's List of cities in the European Union by population within ci ...
celebrating his work. Since 2018 he is Head of the Mathematics Department at
City University of Hong Kong City University of Hong Kong (CityU) is a world-class public research university located in Kowloon Tong, Hong Kong. It was founded in 1984 as City Polytechnic of Hong Kong and became a fully accredited university in 1994. Currently, CityU is ...
.


Work

During the 90s, he worked in the complexity classes that appear when dealing with the
Blum–Shub–Smale machine In computation theory, the Blum–Shub–Smale machine, or BSS machine, is a model of computation introduced by Lenore Blum, Michael Shub and Stephen Smale, intended to describe computations over the real numbers. Essentially, a BSS machine is ...
. In 1998, he co-authored one of the fundamental books in this topic, Complexity and Real Computation, together with
Lenore Blum Lenore Carol Blum (née Epstein, born December 18, 1942) is an American computer scientist and mathematician who has made pioneering contributions to the theories of real number computation, cryptography, and pseudorandom number generation. She ...
,
Michael Shub Michael Ira Shub (born August 17, 1943) is an American mathematician who has done research into dynamical systems and the complexity of real number algorithms. Biography Shub obtained his Ph.D. degree at the University of California, Berkele ...
, and Steve Smale. In the 2000s he focused on the analysis of numerical algorithms in linear programming. Together with Dennis Cheung he introduced the notions of the GCC condition number in linear programming. In 2007 together with Steve Smale he proposed the so-called Cucker-Smale flocking model. This model, which has received extensive attention in mathematics and other fields, plays an important role in the mathematical study of flocking dynamics. In 2011 together with
Peter Bürgisser Peter Bürgisser (born 1962) is a Swiss mathematician and theoretical computer scientist who deals with algorithmic algebra and algebraic complexity theory. Education and career Bürgisser received in 1990 his doctorate from the University of Ko ...
he contributed to the solution of Smale's 17th problem. In 2013 Cucker won an Honorable Mention in the Category of Mathematics of the
PROSE Awards The PROSE Awards (Professional and Scholarly Excellence) are presented by the Association of American Publishers’ (AAP) Professional and Scholarly Publishing (PSP) Division. Presented since 1976, the awards annually recognize distinguished prof ...
for his book ''Manifold Mirrors: The Crossing Paths of the Arts and Mathematics'', which dealt with
mathematics and art Mathematics and art are related in a variety of ways. Mathematics has itself been described as an art mathematical beauty, motivated by beauty. Mathematics can be discerned in arts such as Music and mathematics, music, dance, painting, Mathema ...
.


Selected publications

* * * * * * * *


References


External links


Personal website
at the City University of Hong Kong. * * {{DEFAULTSORT:Cucker, Felipe Living people 1958 births 20th-century American mathematicians 21st-century American mathematicians University of Barcelona alumni University of Cantabria alumni Academic staff of Pompeu Fabra University