Department of Mathematics | Indian Institute Of Technology Madras , Chennai

Announcements

team

Dr.Radha R

Professor

044 - [22]-57 [46]-20

radharam

Personal Link

KCB 543

Harmonic Analysis, Time -frequency Analysis, Mathematical sampling theory and data sciences, Solutions of operator equations

to email  add  username@iitm.ac.in'

  1. Twisted B-splines in the complex plane

    Author: Das, S. R. and Massopust, P. and Radha, R.

    Journal: Appl. Comput. Harmon. Anal.

    Volume: 56

    Page: 250-282

    DOI: 10.1016/j.acha.2021.08.007

    Year: 2022

  2. Modulation spaces, multipliers associated with the special affine Fourier transform

    Author: Biswas, M. H. A. and Feichtinger, H. G. and Ramakrishnan, R.

    Journal: Complex Anal. Oper. Theory

    Volume: 16

    Page: Paper No. 86, 30

    DOI: 10.1007/s11785-022-01264-1

    Year: 2022

  3. Shift invariant spaces in $L^2({\Bbb {R}},{\Bbb {C}}^m)$ with $m$ generators

    Author: John, Anila and Kulkarni, S. H. and Radha, R.

    Journal: J. Anal.

    Volume: 29

    Page: 383-405

    DOI: 10.1007/s41478-019-00219-8

    Year: 2021

  4. Characterization of Fourier transform of $H$-valued functions on the real line

    Author: Ali Biswas, Md Hasan and Radha, Ramakrishnan

    Journal: Rocky Mountain J. Math.

    Volume: 51

    Page: 43-53

    DOI: 10.1216/rmj.2021.51.43

    Year: 2021

  5. Shift-invariant system on the Heisenberg Group

    Author: Das, S. R. and Radha, R.

    Journal: Adv. Oper. Theory

    Volume: 6

    Page: 21, 27

    DOI: 10.1007/s43036-020-00117-y

    Year: 2021

  6. Left translates of a square integrable function on the Heisenberg group

    Author: Radha, R. and Adhikari, Saswata

    Journal: Collect. Math.

    Volume: 71

    Page: 239-262

    DOI: 10.1007/s13348-019-00255-4

    Year: 2020

  7. Shift-invariant spaces with countably many mutually orthogonal generators on the Heisenberg group

    Author: Radha, R. and Adhikari, Saswata

    Journal: Houston J. Math.

    Volume: 46

    Page: 435-463

    Year: 2020

  8. Invertibility of Laurent operators and shift invariant spaces with finitely many generators

    Author: Radha, R. and Sarvesh, K. and Sivananthan, S.

    Journal: Appl. Anal.

    Volume: 99

    Page: 2854-2876

    DOI: 10.1080/00036811.2019.1585531

    Year: 2020

  9. Hardy's theorem for the continuous wavelet transform

    Author: Radha, R. and Sarvesh, K.

    Journal: J. Pseudo-Differ. Oper. Appl.

    Volume: 11

    Page: 869-877

    DOI: 10.1007/s11868-019-00318-x

    Year: 2020

  10. Orthonormality of wavelet system on the Heisenberg group

    Author: Arati, S. and Radha, R.

    Journal: J. Math. Pures Appl. (9)

    Volume: 131

    Page: 171-192

    DOI: 10.1016/j.matpur.2019.02.004

    Year: 2019

  11. Wavelet system and Muckenhoupt $Cal {A}_2$ condition on the Heisenberg group

    Author: Arati, S. and Radha, R.

    Journal: Colloq. Math.

    Volume: 158

    Page: 59-76

    DOI: 10.4064/cm7467-9-2018

    Year: 2019

  12. Frames, biorthogonal dual and other properties associated with wavelet system on $\Bbb R$

    Author: Arati, S. and Radha, R.

    Journal: Int. J. Wavelets Multiresolut. Inf. Process.

    Volume: 17

    Page: 1950008, 22

    DOI: 10.1142/S0219691319500085

    Year: 2019

  13. Sampling and reconstruction in a shift invariant space with multiple generators

    Author: Radha, R. and Sarvesh, K. and Sivananthan, S.

    Journal: Numer. Funct. Anal. Optim.

    Volume: 40

    Page: 365-385

    DOI: 10.1080/01630563.2018.1501701

    Year: 2019

  14. Frames and Riesz bases for shift invariant spaces on the abstract Heisenberg group

    Author: Arati, S. and Radha, R.

    Journal: Indag. Math. (N.S.)

    Volume: 30

    Page: 106-127

    DOI: 10.1016/j.indag.2018.09.001

    Year: 2019

  15. Wavelet frames and duals: a short survey

    Author: Radha, R.

    Journal: J. Anal.

    Volume: 26

    Page: 297-312

    DOI: 10.1007/s41478-018-0143-0

    Year: 2018

  16. Weyl transform and Weyl multipliers associated with locally compact abelian groups

    Author: Radha, R. and Shravan Kumar, N.

    Journal: J. Pseudo-Differ. Oper. Appl.

    Volume: 9

    Page: 229-245

    DOI: 10.1007/s11868-017-0213-0

    Year: 2018

  17. Invertibility of a tridiagonal operator with an application to a non-uniform sampling problem

    Author: Selvan, A. Antony and Radha, R.

    Journal: Linear Multilinear Algebra

    Volume: 65

    Page: 973-990

    DOI: 10.1080/03081087.2016.1217978

    Year: 2017

  18. Frames in Hermite-Bergman and special Hermite-Bergman spaces

    Author: Selvan, A. Antony and Radha, R.

    Journal: J. Pseudo-Differ. Oper. Appl.

    Volume: 8

    Page: 241-254

    DOI: 10.1007/s11868-016-0178-4

    Year: 2017

  19. A sampling theorem for the twisted shift-invariant space

    Author: Ramakrishnan, Radha and Adhikari, Saswata

    Journal: Adv. Pure Appl. Math.

    Volume: 8

    Page: 293-305

    DOI: 10.1515/apam-2016-0090

    Year: 2017

  20. An optimal result for sampling density in shift-invariant spaces generated by Meyer scaling function

    Author: Antony Selvan, A. and Radha, R.

    Journal: J. Math. Anal. Appl.

    Volume: 451

    Page: 197-208

    DOI: 10.1016/j.jmaa.2017.01.086

    Year: 2017

  21. Separation of zeros, a Hermite interpolation based and a frame based reconstruction algorithms for bandlimited functions

    Author: Antony Selvan, A. and Radha, R.

    Journal: Sampl. Theory Signal Image Process.

    Volume: 15

    Page: 21-35

    Year: 2016

  22. Sampling and reconstruction in shift invariant spaces of $B$-spline functions

    Author: Selvan, A. Antony and Radha, R.

    Journal: Acta Appl. Math.

    Volume: 145

    Page: 175-192

    DOI: 10.1007/s10440-016-0053-6

    Year: 2016

  23. Frames and Riesz bases of twisted shift-invariant spaces in $L^2(\Bbb{R}^{2n})$

    Author: Radha, R. and Adhikari, Saswata

    Journal: J. Math. Anal. Appl.

    Volume: 434

    Page: 1442-1461

    DOI: 10.1016/j.jmaa.2015.07.040

    Year: 2016

  24. Sampling and reconstruction in shift-invariant spaces on $\Bbb{R}^d$

    Author: Selvan, A. Antony and Radha, R.

    Journal: Ann. Mat. Pura Appl. (4)

    Volume: 194

    Page: 1683-1706

    DOI: 10.1007/s10231-014-0439-x

    Year: 2015

  25. Shift invariant spaces on compact groups

    Author: Radha, R. and Kumar, N. Shravan

    Journal: Bull. Sci. Math.

    Volume: 137

    Page: 485-497

    DOI: 10.1016/j.bulsci.2012.11.003

    Year: 2013

  26. On the images of Sobolev spaces under the heat kernel transform on the Heisenberg group

    Author: Radha, R. and Thangavelu, S. and Venku Naidu, D.

    Journal: Math. KCBhr.

    Volume: 286

    Page: 1337-1352

    DOI: 10.1002/mana.201100233

    Year: 2013

  27. Generalized Bargmann transform and a group representation

    Author: Radha, R. and Venku Naidu, D.

    Journal: Bull. Sci. Math.

    Volume: 135

    Page: 206-214

    DOI: 10.1016/j.bulsci.2010.12.005

    Year: 2011

  28. Frames in generalized Fock spaces

    Author: Radha, R. and Venku Naidu, D.

    Journal: J. Math. Anal. Appl.

    Volume: 378

    Page: 140-150

    DOI: 10.1016/j.jmaa.2010.12.049

    Year: 2011

  29. $L^p$-multipliers for the Hilbert space valued functions on the Heisenberg group

    Author: Swain, Jitendriya and Ramakrishnan, Radha

    Journal: Monatsh. Math

    Volume: 160

    Page: 95-107

    DOI: 10.1007/s00605-009-0132-0

    Year: 2010

  30. Fourier multipliers for Sobolev spaces on the Heisenberg group

    Author: Jitendriya, S. and Radha, R. and Naidu, D. Venku

    Journal: Anal. Math.

    Volume: 36

    Page: 51-70

    DOI: 10.1007/s10476-010-0103-7

    Year: 2010

  31. Local reconstruction method and voice system

    Author: Radha, R. and Sivananthan, S.

    Journal: Comput. Math. Appl.

    Volume: 58

    Page: 74-79

    DOI: 10.1016/j.camwa.2009.01.036

    Year: 2009

  32. A characterization of right translation invariant operators from $L^p(H^n,A)$ into $L^q(H^n,A^{**})$

    Author: Jitendriya, S. and Radha, R.

    Journal: J. Anal. Appl.

    Volume: 7

    Page: 131-142

    Year: 2009

  33. Non-uniform sampling problem

    Author: Kulkarni, S. H. and Radha, R. and Sivananthan, S.

    Journal: J. Appl. Funct. Anal.

    Volume: 4

    Page: 58-74

    Year: 2009

  34. Local reconstruction of a function from a non-uniform sampled data

    Author: Radha, R. and Sivananthan, S.

    Journal: Appl. Numer. Math.

    Volume: 59

    Page: 393-403

    DOI: 10.1016/j.apnum.2008.03.038

    Year: 2009

  35. Holomorphic Sobolev spaces, Hermite and special Hermite semigroups and a Paley-Wiener theorem for the windowed Fourier transform

    Author: Radha, R. and Thangavelu, S.

    Journal: J. Math. Anal. Appl.

    Volume: 354

    Page: 564-574

    DOI: 10.1016/j.jmaa.2009.01.021

    Year: 2009