Marcelo Miranda Viana da Silva (born 4 March 1962) is 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 ...

working in

dynamical systems theory Dynamical systems theory is an area of mathematics used to describe the behavior of complex dynamical systems, usually by employing differential equations or difference equations. When differential equations are employed, the theory is called '' ...

. He 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 a ...

in 1993. He received the

TWAS Prize This is a list of recipients of the TWAS Prize, awarded annually by The World Academy of Sciences (TWAS). Summary Agricultural Sciences Biology Chemistry Earth Sciences Engineering Sciences Mathematics Medical Sc ...

in 1998 and in 2005 he was awarded the inaugural

ICTP Ramanujan Prize The DST-ICTP-IMU Ramanujan Prize for Young Mathematicians from Developing Countries is a mathematics prize awarded annually by the International Centre for Theoretical Physics in Italy. The prize is named after the Indian mathematician Srinivas ...

for his research achievements. Viana was vice-president of the

International Mathematical Union The International Mathematical Union (IMU) is an international non-governmental organization devoted to international cooperation in the field of mathematics across the world. It is a member of the International Science Council (ISC) and supports ...

in 2011–2014, and president of the Brazilian Mathematical Society (2013–2015). In 1998, he was a plenary speaker at the International Congress of Mathematicians, 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 ...

. Viana is director elected of the

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 ...

(for the period 2016–2019). Viana is a columnist for ''

Folha de S.Paulo ''Folha de S.Paulo'' (sometimes spelled ''Folha de São Paulo''), also known as simply ''Folha'' (, ''Sheet''), is a Brazilian daily newspaper founded in 1921 under the name ''Folha da Noite'' and published in São Paulo by the Folha da Manhã c ...

''. He is the chair of the executive committee for the 2018 International Congress of Mathematicians, Rio de Janeiro.

Biography

Viana was born 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 ...

, Brazil, his parents being Portuguese. He grew up in Portugal, and his undergraduate studies were at the University of Porto. He received 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 from the IMPA in Rio de Janeiro, with

Jacob Palis __NOTOC__ Jacob Palis Jr. (born 15 March 1940) is a Brazilian mathematician and professor. Palis' research interests are mainly dynamical systems and differential equations. Some themes are global stability and hyperbolicity, bifurcations, a ...

as advisor. He is now director at IMPA.

Work

Viana's work concerns

chaotic dynamical system Chaos theory is an interdisciplinary area of scientific study and branch of mathematics focused on underlying patterns and deterministic laws of dynamical systems that are highly sensitive to initial conditions, and were once thought to have ...

s and strange attractors.

Selected publications

* jointly with AVILA, A., "Simplicity of Lyapunov spectra: proof of the Zorich–Kontsevich conjecture". '' Acta Mathematica''. vol. 198 (2007), no. 1, pp. 1–56. * jointly with PALIS, J., "High dimension diffeomorphisms displaying infinitely many periodic attractors". ''

Annals of Mathematics The ''Annals of Mathematics'' is a mathematical journal published every two months by Princeton University and the Institute for Advanced Study. History The journal was established as ''The Analyst'' in 1874 and with Joel E. Hendricks as the ...

''. vol. 140 (1994), no. 1, pp. 207–250. * jointly with MORA, L., "Abundance of strange attractors". ''Acta Mathematica''. vol. 171 (1993), no. 1, pp. 1–71.

References

External links

Home page of Marcelo Viana

Unión Matemática de América Latina y el Caribe – UMALCA Award in Mathematics 2000: Marcelo Viana
*
Viana teaching a course on ordinary differential equations (in Portuguese)

Interview with Marcelo Viana, conducted by Maria Manuel Clementino and Jorge Picado
1962 births Living people University of Porto alumni Members of the Brazilian Academy of Sciences Dynamical systems theorists Instituto Nacional de Matemática Pura e Aplicada alumni Instituto Nacional de Matemática Pura e Aplicada researchers 20th-century Brazilian mathematicians 21st-century Brazilian mathematicians TWAS laureates {{mathematician-stub