Viorel P. Barbu (born 14 June 1941) is a

Romania Romania ( ; ro, România ) is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern, and Southeast Europe, Southeastern Europe. It borders Bulgaria to the south, Ukraine to the north, Hungary to the west, S ...

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 ...

, specializing in

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

control theory Control theory is a field of mathematics that deals with the control of dynamical systems in engineered processes and machines. The objective is to develop a model or algorithm governing the application of system inputs to drive the system to a ...

, and

stochastic differential equation A stochastic differential equation (SDE) is a differential equation in which one or more of the terms is a stochastic process, resulting in a solution which is also a stochastic process. SDEs are used to model various phenomena such as stock pr ...

Biography

He was born in Deleni,

Vaslui County Vaslui County () is a county ( județ) of Romania, in the historical region Western Moldavia, with the seat at Vaslui. Demographics In 2011, it had a population of 395,499 and the population density was 74/km². * Romanians - over 98% * Rom ...

, Romania. He attended the Mihail Kogălniceanu High School in

Vaslui Vaslui (), a city in eastern Romania, is the seat of Vaslui County, in the historical region of Western Moldavia. The city administers five villages: Bahnari, Brodoc, Moara Grecilor, Rediu, and Viișoara. History Archaeological surveys indicate ...

and then the

Costache Negruzzi National College The Costache Negruzzi National College (''Colegiul Național „Costache Negruzzi”'') in Iași is one of the most prestigious high schools in Romania. Founded in 1895 as the ''Boarding High School of Iași'', it was named after the writer and p ...

Iași Iași ( , , ; also known by other alternative names), also referred to mostly historically as Jassy ( , ), is the second largest city in Romania and the seat of Iași County. Located in the historical region of Moldavia, it has traditionally ...

. Barbu completed his undergraduate degree at the

Alexandru Ioan Cuza University The Alexandru Ioan Cuza University (Romanian: ''Universitatea „Alexandru Ioan Cuza"''; acronym: UAIC) is a public university located in Iași, Romania. Founded by an 1860 decree of Prince Alexandru Ioan Cuza, under whom the former Academia Mih ...

of Iași in 1964, and 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 a ...

at the same university in 1969. His doctoral advisor was Adolf Haimovici; his dissertation thesis was titled ''Regularity Theory of Pseudodifferential Operators''. He became a professor at the University of Iași in 1980. His Ph.D. students there included

Gheorghe Moroșanu Gheorghe Moroșanu (born April 30, 1950, in Darabani, Botoșani County, Romania) is a Romanian mathematician known for his works in Ordinary and Partial Differential Equations, Nonlinear Analysis, Calculus of Variations, Fluid Mechanics, Asymptoti ...

and

Daniel Tătaru Daniel Ioan Tătaru (born 6 May 1967, Piatra Neamţ, Romania) is a Romanian mathematician at University of California, Berkeley. He earned his doctorate from the University of Virginia in 1992, under supervision of Irena Lasiecka. He won the 20 ...

. In 1993, he was elected a titular member of the

Romanian Academy The Romanian Academy ( ro, Academia Română ) is a cultural forum founded in Bucharest, Romania, in 1866. It covers the scientific, artistic and literary domains. The academy has 181 active members who are elected for life. According to its byl ...

. In 2011 he was awarded the

Order of the Star of Romania The Order of the Star of Romania (Romanian: ''Ordinul Steaua României'') is Romania's highest civil Order and second highest State decoration after the defunct Order of Michael the Brave. It is awarded by the President of Romania. It has five r ...

, Knight rank by

President President most commonly refers to: *President (corporate title) *President (education), a leader of a college or university *President (government title) President may also refer to: Automobiles * Nissan President, a 1966–2010 Japanese ful ...

Traian Băsescu Traian Băsescu (; born 4 November 1951) is a conservatism, conservative Romanian politician who served as President of Romania from 2004 to 2014. Prior to his presidency, Băsescu served as Romanian Minister of Transport on multiple occasions ...

Bibliography

Some of his books and papers are:

* ''Analysis And Control Of Nonlinear Infinite Dimensional Systems '' * ''Optimization, Optimal Control and Partial Differential Equations'' * ''Nonlinear semigroups and differential equations in Banach spaces '' * ''Hamilton-Jacobi Equations on Hilbert Space '' * ''Stochastic Porous Media Equations '' * ''Nonlinear Differential Equations of Monotone Types in Banach Spaces '' * ''Convexity and Optimization in Banach Spaces '' * ''Optimal Control of Variational Inequalities ''

References

External links

* * {{DEFAULTSORT:Barbu, Viorel 1941 births People from Vaslui County Romanian mathematicians Alexandru Ioan Cuza University alumni Academic staff of Alexandru Ioan Cuza University Titular members of the Romanian Academy Living people Control theorists Knights of the Order of the Star of Romania Costache Negruzzi National College alumni PDE theorists