Ministry of Education
Ratnakumar P K
VIDWAN ID: 58974

Prof Ratnakumar P K

Male Doctor of Philosophy
Professor | Department of Mathematics
DAE-Harish-Chandra Research Institute
Uttar Pradesh
Expertise: Mathematics
Scopus 6603252337
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27 Publications
0 Projects
154 Scopus Citations
127 CrossRef
8 Years 8 Months Total Experience
Publications
27 Total
Articles
26
Chapters
1
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Scopus Scopus
154 Citations
6 h-index
CrossRef CrossRef
127 Citations
5 h-index
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Personal Details

Doctor of Philosophy
Malnad College of Engineering, HASSAN
Professor
Jan 2018 – Present
DAE-Harish-Chandra Research Institute | Department of Mathematics
Physical Sciences
Mathematics

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Scholarly Publications

Analogues of Besicovitch-Wiener Theorem for the Heisenberg Group

Journal Article
Journal of Fourier Analysis and Applications. Year: 1996. Volume: 2 , Issue: 4 , Pages: x6-414 .
Scopus Scopus: 1

A restriction theorem for the Heisenberg motion group

Journal Article
Studia Mathematica. Year: 1997. Volume: 126 , Issue: 1 , Pages: 1-12 .
Scopus Scopus: 18

Gelfand pairs, K-spherical means and injectivity on the Heisenberg group

Journal Article
Journal d'Analyse Mathématique. Year: 1999. Volume: 78 , Pages: 245-262 .
Authors: G. Sajith; P. K. Ratnakumar
DOI 10.1007/BF02791136 Crossref Crossref: 4 Scopus Scopus: 6

Spherical Means, Wave Equations, and Hermite-Laguerre Expansions

Open Access
Journal Article
Journal of Functional Analysis. Year: 1998. Volume: 154 , Issue: 2 , Pages: 253-290 .
Authors: P.K Ratnakumar; S Thangavelu
DOI 10.1006/jfan.1997.3135 Crossref Crossref: 3 Scopus Scopus: 5

Spherical maximal operator on symmetric spaces of constant curvature

Open Access
Journal Article
Transactions of the American Mathematical Society. Year: 2003. Volume: 355 , Issue: 3 , Pages: 1167-1182 .
Authors: Amos Nevo; P. Ratnakumar
DOI 10.1090/S0002-9947-02-03095-7 Crossref Crossref: 4 Scopus Scopus: 3

Schrödinger equation and the oscillatory semigroup for the Hermite operator

Open Access
Journal Article
Journal of Functional Analysis. Year: 2005. Volume: 224 , Issue: 2 , Pages: 371-385 .
Authors: A.K. Nandakumaran; P.K. Ratnakumar
DOI 10.1016/j.jfa.2004.12.011 Crossref Crossref: 20 Scopus Scopus: 20

Spherical maximal operator on symmetric spaces, an end point estimate

Open Access
Journal Article
Indagationes Mathematicae. Year: 2003. Volume: 14 , Issue: 1 , Pages: 63-79 .
Authors: P.K. Ratnakumar
DOI 10.1016/S0019-3577(03)90072-3

On schrödinger propagator for the special hermite operator

Journal Article
Journal of Fourier Analysis and Applications. Year: 2008. Volume: 14 , Issue: 2 , Pages: 286-300 .
Authors: P. K. Ratnakumar
DOI 10.1007/s00041-008-9007-3 Crossref Crossref: 15 Scopus Scopus: 16
Showing 1 to 8 of 27 publications