Rajendra Bhatia (born 1952) is an Indian mathematician, author, and educator. He is currently a professor of mathematics at

Ashoka University Ashoka University is a private research university located in Sonipat, Haryana, providing a liberal education in the humanities, social sciences, and natural sciences. It was founded in 2014 and is based on the model of collective philanthropy, ...

located in

Sonipat Sonipat is a planned industrial city and administrative headquarter in Sonipat district of Haryana state of India. It comes under the National Capital Region and is around from New Delhi. It lies 214 km (128 miles) southwest of Chandigar ...

Haryana Haryana () is a States and union territories of India, state located in the northern part of India. It was carved out after the linguistic reorganisation of Punjab, India, Punjab on 1 November 1966. It is ranked 21st in terms of area, with les ...

, India.

Education

He studied at the

University of Delhi The Delhi University (DU, ISO 15919, ISO: ), also and officially known as the University of Delhi, is a collegiate university, collegiate research university, research Central university (India), central university located in Delhi, India. It ...

, where he completed his BSc degree in

physics Physics is the scientific study of matter, its Elementary particle, fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge whi ...

and MSc degree in

mathematics Mathematics is a field of study that discovers and organizes methods, Mathematical theory, theories and theorems that are developed and Mathematical proof, proved for the needs of empirical sciences and mathematics itself. There are many ar ...

, and moved to the

Indian Statistical Institute The Indian Statistical Institute (ISI) is a public research university headquartered in Kolkata, India with centers in New Delhi, Bengaluru, Chennai and Tezpur. It was declared an Institute of National Importance by the Government of India und ...

Kolkata Kolkata, also known as Calcutta ( its official name until 2001), is the capital and largest city of the Indian state of West Bengal. It lies on the eastern bank of the Hooghly River, west of the border with Bangladesh. It is the primary ...

, where he completed his Ph.D. in 1982 under the probabilist K. R. Parthasarathy.

Research

Bhatia's research interests include matrix inequalities, calculus of

matrix function In mathematics, every analytic function can be used for defining a matrix function that maps square matrices with complex entries to square matrices of the same size. This is used for defining the exponential of a matrix, which is involved in th ...

s, means of matrices, and connections between

harmonic analysis Harmonic analysis is a branch of mathematics concerned with investigating the connections between a function and its representation in frequency. The frequency representation is found by using the Fourier transform for functions on unbounded do ...

, geometry and matrix analysis. He is one of the eponyms of the Bhatia–Davis inequality.

Academic life

Rajendra Bhatia founded the series Texts and Readings in Mathematics in 1992 and the series Culture and History of Mathematics on the history of

Indian mathematics Indian mathematics emerged in the Indian subcontinent from 1200 BCE until the end of the 18th century. In the classical period of Indian mathematics (400 CE to 1200 CE), important contributions were made by scholars like Aryabhata, Brahmagupta, ...

. He has served on the editorial boards of several major international journals such as Linear Algebra and Its Applications, and the

SIAM Journal on Matrix Analysis and Applications The ''SIAM Journal on Matrix Analysis and Applications'' is a peer-reviewed scientific journal covering matrix analysis and its applications. The relevant applications include signal processing, systems and control theory, statistics, Markov chai ...

Awards

Bhatia was awarded the

INSA The Intelligence and National Security Alliance (INSA) is a non-profit, nonpartisan 501(c)(6) professional organization based in Arlington, Virginia for the public and private sector members of the United States Intelligence Community. History ...

Medal for Young Scientists in 1982. He won the

Shanti Swarup Bhatnagar Prize for Science and Technology Shanti or Shanthi may refer to: In Sanskrit * Inner peace, a state of being mentally and spiritually at peace, with enough knowledge and understanding to keep oneself strong in the face of discord or stress * Kshanti, one of the paramitas of B ...

in Mathematical Science in 1995. In 2017 he was awarded the Hans Schneider Prize in Linear Algebra.http://www.ilasic.org/misc/hsall.html ILAS winners

Books

* * * *

References

External links

A Brief History of Fourier Series by Prof. Rajendra Bhatia
* {{DEFAULTSORT:Bhatia, Rajendra 1952 births Living people 20th-century Indian mathematicians 21st-century Indian mathematicians Indian Statistical Institute alumni Academic staff of the Indian Statistical Institute Fellows of the Indian National Science Academy Fellows of the Indian Academy of Sciences Recipients of the Shanti Swarup Bhatnagar Award in Mathematical Science