Dr. G Sankara Raju Kosuru

Profile Image: 
Name: 
Dr. G Sankara Raju Kosuru
Designation: 
Associate Professor
Email: 
raju[AT]iitrpr.ac.in
Department: 

Mathematics
Office: #208, First Floor, Academic Block, Tansit Campus, IIT Ropar
Contact No: +91 1881 242199 (Extn. 2199)
JAM-Chairman Office: +91 1881 235161 (Extn. 5161)

Biography: 

Dr. Raju obtained his doctoral degree from the department of Mathematics, Indian Institute of Technology Madras, Chennai, India. He carried out post-doctoral studies at Indian Statistical Institute Bangalore, India. Dr. Raju was a faculty member in the Department of Mathematics, Central University of Tamilnadu, India from July 2012 to May 2013. He has been a recipient of Best thesis award at the department of Mathematics, IIT Madras for his doctoral work. Presently, he is an Assistant Professor at the Department Mathematics at IIT Ropar. Dr. Raju’s areas of research interests include Matrix Analysis, geometric accepts of functional analysis, Approximation theory, Fixed point theory and applications.

Areas of Research: 
Functional Analysis and Operator Theory
(More precisely, Fixed point theory applications, Approximation theory, Matrix analysis, rearrangement invariant spaces)
Education: 
Ph.D from Indian Institute of Technology Madras, India, 2012.
M.Sc. from Pondicherry University, Pondicherry, India, 2007.
B.Ed. from Andhra Univertiy, Andhra Pradesh, India, 2004.
B.Sc from Andhra Univesrity, Andhra Pradesh, Inida, 2002.
Work Experience: 
Associate Professor, Indian Institute of Technology Ropar, India, April 2022- Till date
Assistant Professor, Indian Institute of Technology Ropar, India, June 2014 - March 2022
Post-Doctoral Fellow, Indian Statistical Institute Bangalore, India, June 2013- May 2014
Assistant professor, Department of Mathematics, Central University of Tamilnadu, India, June 2012- May 2013
Selected Publications/Patents: 

Selected Publications/ Patents

  1. Abhik Digar and GSRK - EXISTENCE OF BEST PROXIMITY POINTS ON A METRIC SPACE WITH A GRAPH AND AN APPLICATION TO PERIODIC BOUNDARY VALUE PROBLEMS (Accepted for publication in the journal of nonlinear and convex analysis, 2022)
  2. Abhik Digar, Rafael Garcia Espinola and GSRK, A Characterization of Weak Proximal Normal Structure and Best Proximity Pairs, (To appear in Journal of Rev. R. Acad. Cienc. Exactas F\'{\i}s. Nat. Ser. A Mat. RACSAM).
  1. GSRK and M. Ashraf Bhat, GENERALIZATIONS OF SOME CONCENTRATION INEQUALITIES, Statistics and Probability Letters, vol. 182 (Id: 109298), p. 1-7 (2022).
  2. 3. Abhik Digar and GSRK - CYCLIC UNIFORM LIPSCHITZIAN MAPPINGS AND PROXIMAL UNIFORM NORMAL , Vol. 13 (No.1), Ann. Funct. Anal., pp. 1-14 (Paper 5, p. 14), 2022.
  3. Abhik Digar and GSRK - EXISTENE OF BEST PROXIMITY PAIRS AND A GENERALIZATION OF CARATHEODORY THEOREM, Numer. Funct. Ana. Opt., vol. 41 (no. 15), p. 1901 - 1911 (2020).
  4. GSRK and Subhajit Saha- CHARACTERIZATIONS OF MAJORIZATION ON SUMMABLE SEQUENCES, FILOMAT, vol. 34 (no. 7), p. 2193 -2202 (2020).
  5. GSRK and Subhajit Saha- CONE TYPE MAJORIZATION AND ITS STRONG LINEAR PRESERVERS, Electronic Journal of Linear Algebra, Vol. 36, p. 511 - 518, (2020).
  6. GSRK - ON BEST PROXIMITY PAIRS WITH APPLICATION TO DIFFERENTIAL EQUATIONS, Fixed Point Theory, vol. 21 (no. 2), p. 647-656 (2020).
  7. GSRK - SPECIFIC EIGENBOUNDS FOR HADAMARD PRODUCT OF HERMITIAN MATRICES, journal of Analysis, Vol. 28, p. 3-8 (2020).
  8. GSRK - ON THE EXISTENCE OF BEST PROXIMITY PAIRS AND GENERALIZED NASH EQUILIBRIUM, Applied Analysis and Optimization., Vol. 3 (No. 3), 411-421 (2019).
  9. GSRK, B. V. Rajarama Bhat and Arup Chattopadhyay - ON SUBMAJORIZATION AND EIGENVALUE INEQUALITIES, Linear Multilinear Algebra, vol. 63 (no. 2), p. 2245-2253 (2015).
  10. GSRK - EXTENSIONS OF EDELSTEINS THEOREM ON CONTRACTIVE MAPPINGS, Numer. Funct. Anal. Optim., vol. 36, no.7, p. 887-900 (2015).
  1. GSRK, Rafa Espinola and P. Veeramani - CYCLIC CONTRACTIONS AND BEST PROXIMITY PAIR THEOREMS, J. Optmi. The. Appl. (JOTA), vol. 164 (no.2), p. 534 -550 (2015).
  2. Erdal Karapinarm, GSRK and Kennan Tas - BEST PROXMITY THEOREM FOR REICH TYPE CYCLIC ORBITAL AND REICH TYPE MEIR-KEELER CONTRACTION, Journal of Nonlinear Analysis and Optimization, vol: 5 (no. 1), p. 1-10 (2014).
  3. GSRK and P. Veeramani - A NOTE ON EXISTENCE AND CONVERGENCE OF BEST PROXIMITY POINTS FOR POINTWISE CYCLIC CONTRACTIONS, Numer. Funct. Ana. Opt., vol. 32, no.7, p. 821-830 (2011).
  4. GSRK and P. Veeramani- ON EXISTENCE OF BEST PROXIMITY PAIR THEOREMS FOR RELATIVELY NONEPANSIVE MAPPINGS, J. Nonlinear Convex Anal., vol. 11 (no. 1), p. 71-77 (2010).

Conference Proceedings:

  1. M. Ashraf Bhat and GSRK - ON CONTINUITY OF DISTRIBUTION FUNCTION AND DECREASING REARRANGEMENT (accepted for publication in the conference ICDAC - 2021).
  2. GSRK - EIGENBOUNDS FOR HADAMARD PRODUCT OF HERMITIAN MATRICES, ICMMA - 2016.

Short Articles (Published on National Feasts):

  1. GSRK - COMPLETENESS OF R: A SHORT PROOF, Cynosure-215, Annual Research Day, Department of Mathematics, IIT Ropar.
  2. GSRK - A NOTE ON NON-SEPARABLE SPACES, Forays – 2010, Indian Institute of Technology Madras An annual mathematics festival proceedings.

SPONSORED RESEARCH PROJECTS (Excluding travel and workshop/conference organizing grants)

  1. PMRF fellowship for a Ph.D student (Mr. Ashraf Bhat) “DECREASING REARRANGEMENTS AN THEIR INEQUALITIES AND APPLICATIONS” from 2021 to 2024.
  2. DST/SERB Young Scientist entitled, “ON THE EXISTENCE OF BEST PROXITY PAIRS AND GENERALIZED EQUILOBRIUM” From 2016, to 2019 (Financial Outlay , Rs 15,07,000).
  3. ISRD Project entitled, “EIGEN VALUE ESTIMATION ON SCHUR PRODUCTS” from 2015-2018 (Financial Outlay , Rs 1,70,000).

Invited Talks:

  1. A GEOMETRIC VIEW OF HAHN-BANACH EXTENSION THEOREM, Workshop on Functional Analysis and Applications (WFAA-22), IIIT Allahabad, India, January 2022.
  2. DECREASING REARRANGEMENTS ON CERTAIN SPACES WITH APPLICATIONS, at International conference on recent advances in mathematics and applications, Andhra University, India, December 2021.
  3. ON THE EXISTENCE OF BEST PROXIMITY POINTS WITH APPLICATIONS, e-sstp, SRM, India, December 2022.
  4. BEST PROXIMITY PAIRS AND APPLICATIONS at International workshop on the International Workshop And Conference On Mathematical Analysis And Computation, 02-06 December 2019, NIT Trichy, India.
  1. BEST PROXIMITY PAIRS AND APPLICATIONS TO GAME THEORY at International workshop on fixed point theory and applications (IWFPTA-2019), March 15-18, 2019, Jamia Millia Islamia, New Delhi, India.
  2. BEST PROXIMITY PAIRS AND APPLICATIONS TO DIFFERENTIAL EQUATIONS at the International Conference on the Symposium on Mathematical Analysis and applications, March 14, 2019, IIT Ropar, India.
  3. MAJORIZATION ON INFINITE DIMENSIONAL SPACES at the International Conference on Recent advances in Operator Theory and Operator Algebras – 2018 (OTOA-2018), December 13-19, 2018, Indian Statistical Insitute, Bangalore, India.
  4. HADAMAD PRODUCT OF MATRICES AND APPLICATIONS at the International Conference on the Recent Advances in Mathematical Sciences and Applications (RAMSA-17), December 20-23, 2017, Andhra University, India.
  5. ON MAJORIZATION INEQUALITIES at the Recent advances in Operator Theory and Operator Algebras – 2016 (OTOA-2016), December, 2016, Indian Statistical Institute, Bangalore, India.
  6. SPECIFIC EIGEBBOUNDS FOR HADAMARD PRODUCT OF HERMITIAN MATRICES at the International Conference on Mathematical Analysis and Applications – ICMAA – 2016 during 28 November – 02 December, 2016: IIT Roorkee, INDIA.
  7. ON THE EXISTENCE OF BEST PROXIMITY POINTS AND APPLICATION TO DIFFERENTIAL EQUATIONS at the international Conference on Functional Analysis – 2015 during 19 – 21 July, 2015: Shanghai , CHINA.
  8. ON SEPARABLE NORMED LINEAR SPACES at research students colloquium, the Ramanujan Institute of Advanced study in Mathematics: Madras University, Chennai-INDIA.

Scientific Events organized:

  1. Organizing committee secretary for Symposium on Mathematical Analysis and applications-2019 held at IIT Ropar, China during during 14-15 March, 2019.
  2. Member of organizing committee and TPC for THE INTERNATIONAL CONFERENCE IN FUNCTIONAL ANALYSIS -2015 held at Shanghai, China during during 19 – 21 July, 2015.
  3. Member of organizing committee for CYNOSURE – 2015, the departmental research day, department of Mathematics, IIT Ropar, held at IIT Ropar, India on November 07, 2015.

TEACHING

Currently (II Semester, A.Y. 2021-22) Dr. Raju is handling two courses, MA610 – Measure Theory (for P.G students) and MA101 – Calculus (for UG students, 1st tri-semester of A.Y. 2021-22).

Dr. Raju taught EIGHT different course, MA101/MA112 Calculus (thrice), MA102/MA114 Linear Algebra (thrice), MA202 Probability and Statistics (once), MA411/MA115 Real Analysis (four times), MA425-Topoloty (once), MA511/MA453 - Functional Analysis (four times), MA610 –Measure Theory (twice) and MA614/MA459 – Applied Linear Algebra and Matrix Analysis (thrice) for UG/PG students with an average feedback score is 4.58/5.

Also, Dr. Raju Handled THREE different course, MAL602 - Advanced Analysis (once), MA608 – Operator Theory (twice) and MAL 716 - Banach Algebras (once) exclusively for Ph.D students of the department.

Research Students:

  1. M. Ashraf Bhat joined his PhD under the supervision of Dr. Raju in July 2020 in the broad research area Functional Analysis and Operatory theory.
  2. Jasdeep Singh joined his PhD under the co-supervision of Dr. Raju in July 2019 in the broad research area Image Processing.
  3. Abhik Digar joined his PhD under the supervision of Dr. Raju in December 2016 and planning to give his synopsis in October 2021 (Thesis title: On the existence of best proximity points on certain spaces and applications) in the broad research area Approximation theory.
  4. Subhajiit Saha joined his PhD under the supervision of Dr. Raju in July 2015 and defended his thesis in October 2020 (Thesis title: Characterization of majorization on certain spaces and their linear preservers) in the broad research area Matrix Analysis.

Other links: