Prof. S. Thangavelu

               Professor

                  Department of Mathematics, Indian Institute of Science

                  Bangalore 560012

 

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LIST OF PUBLICATIONS

I. Research papers in Journals

1

(with Adimurthi) Composition of variable coefficient singular integral operators, Proc. Ind. Acad. Sci.94 (1985), 1-22.

 

2

Multipliers for Hermite expansions, Revist. Mat. Ibero. 3 (1987), 1-24.

 

3

Summability of Hermite expansions I, Trans. Amer. Math. Soc. 314 (1989), 119-142.

 

4

Summability of Hermite expansions II, Trans. Amer. Math. Soc. 314 (1989), 143-170.

 

5

Summability of Laguerre expansions, Anal. Math. 16 (1990), 303-315.

 

6

Riesz means for the sublaplacian on the Heisenberg group, Proc. Ind. Acad. Sci. 100 (1990), 147-156.

 

7

Multipliers for the Weyl transform and Laguerre expansions, Proc. Ind. Acad. Sci. 190 (1990), 9-20.

 

8

Some uncertainty inequalities, Proc. Ind. Acad. Sci. 100 (1990), 137-145.

 

9

Riesz transforms and wave equation for the Hermite operator, Comm. P.D.E. 15 (1990), 1199-1215.

 

10

Hermite expansions on IR2n for radial functions, Revist. Mat. Ibero. 6 (1990), 61-74.

 

11

Littlewood-Paley-Stein theory on Cn and Weyl multipliers, Revist. Mat. Ibero. 6 (1990), 75-90.

 

12

On almost every where and mean convergence of Hermite and Laguerre expansions, Colloq. Math. 60 (1990), 21-34.

 

13

Restriction theorems for the Heisenberg group, J. reine angew. Math. 414 (1991), 51-65.

 

14

Some restriction theorems for the Heisenberg group, Stud. Math. 99 (1991), 11-21.

 

15

Spherical means on the Heisenberg group and a restriction theorem for the symplectic Fourier transform, Revist. Mat. Ibero. 7 (1991), 135-155.

 

16

Weyl multipliers, Bochner-Riesz means and special Hermite expansions, Ark. Mat. 29 (1991), 307-321.

 

17

A multiplier theorem for the sublaplacian on the Heisenberg group, Proc. Ind. Acad. Sci. 101 (1991), 1-9. 

 

18

Transplantation, summability and multipliers for multiple laguerre expansions, Tohoku Math. J. 44 (1992), 279-298.

 

19

On conjugate Poisson integrals and Riesz transforms for Hermite expansions, Colloq. Math. 64 (1993) 103-113.

 

20

Hermite expansions on IRn for radial functions, Proc. Amer. Math. Soc. 118 (1993), 1099-1102.

 

21

A note on a transplantation theorem of Kanjin and multiple Laguerre expansions, Proc. Amer. Math. Soc. 119 (1993), 1135-1145.

 

22

On Paley-Wiener theorems for the Heisenberg group, J. Funct. Anal. 115 (1993), 24-44.

 

23

On regularity of twisted spherical means and special Hermite expansions, Proc. Ind. Acad. Sci. 103 (1993), 303-320. 

 

24

On spherical means and CR functions on the Heisenberg group, J. Analyse. Math. Vol. 63 (1994), 255-286.

 

25

A Paley-Wiener theorem for step two nilpotent Lie groups, Revist. Math. Ibero, Vol. 10 ( 1994), 177-187.

 

26 Mean periodic functions on phase space and the Pompeiu problem with a twist, Ann. Inst. Fourier.,Vol. 45 (1995), 1007-1035.

27

(with A. Sitaram and M. Sundari) Uncertainty principles for some locally compact groups. Proc. Ind. Acad. Sci. 105 (1995), 135-151.

 

28

(with J. Peetre and N-O. Wallin) Generalised Fock spaces, abstract interpolation multipliers and circle geometry. Revist. Math. Ibero., Vol. 12( 1996), 63-110.

29

(with V. Pati, A. Sitaram and M. Sundari) Eigenfunction expansions and the uncertainty principle , J. Fourier Anal. and Appl., 2 (1996), 427-433.

 

30

(with P. K. Rathnakumar) Analogues of Besicovitch-Wiener theorem for the Heisenberg group, J. Fourier Anal. and Appl., 2 (1996), 407-414.

 

31

(with A. Nevo) Pointwise ergodic theorems for radial averages on the Heisenberg group, Advances in Math. 127 (1997), 307-334.

 

32

(with P. K. Rathnakumar) Spherical means, wave equation and Hermite-Laguerre expansions, J. Functional. Anal. 154 (1998), 253-290.

 

33

(with Rama Rawat and P. K. Rathnakumar) A restriction theorem for the Heisenberg motion group, Studia Math. 126(1)(1997), 1-12.

 

34

Hermite and special Hermite expansions revisited, Duke J. Math. 94 (1998), 257-278.

 

35

On Paley-Wiener properties of the Heisenberg group, Current Science, 73(6) (1997), 519-522.

 

36

(with R. Radha) Weyl multipliers for invariant Sobolev spaces, Proc. Indian Acad. Sci. 108 (1998), 31-40

 

37

Local ergodic theorems for K-spherical averages on the Heisenberg group, Math.Z. 234 (2000), 291-312

 

38

Some remarks on Bochner-Riesz means, Coloq. Math.83 (2000), 217-230

 

39

(with E. K.Narayanan) On the equisummability of Hermite and Fourier expansions, Proc. Ind. Acad. Sci 111 (2001), 95-106

 

40

(with G. Sajith) On the injectivity  of twisted spherical means, Israel J. of Math. 122 (2001), 79-92.

 

41

An analogue of Hardy’s theorem for the Heisenberg group, Colloq.  Math. 87 (2001), 137-145.

 

42

(with E. K. Narayanan) Oscillating multipliers for certain differential operators, Colloq. Math 90 (2001), 37-50

 

43

(with E. K. Narayanan) On injectivity sets for the spherical means on the Heisen- berg group, J.Math.Anal. and Appl.  263 (2001), 565-579

44

Revisiting Hardy’s theorem for the Heisenberg group, Math.Z 242 (2002), 761-779.

 

45

(with  E. K.  Narayanan)  Oscillating  multipliers  on  the  Heisenberg  group, Colloq. Math.  90 (2001), 37-50.

 

46

      Hardy’s theorem for the Helgason Fourier transform on rank one symmetric spaces, Colloq.  Math.  94 (2002), 263-280.

 

47

      (with C. Smitha) On Strichartz’s uncertainty inequality on the Heisenberg group, Tohoku Math.  J. 55 (2003), 451-466.

 

48

(with  B.  Rajeev)  Probabilistic  representations  of  solutions  to  the  heat  equation, Proc.  Ind. Acad.  Sci.  113 (2003), 321-332.

 

49

On Paley-Wiener and Hardy theorems for NA groups, Math.  Z. 245 (2003), 483-502.

 

50

      (with R. Radha) Hardy’s inequalities for Hermite and Laguerre expansions, Proc. Amer.  Math.  Soc.  132 (2004), 3525-3536.

 

51

      On theorems of Beurling, Gelfand-Shilov and Hardy for semisimple groups, Publi. RIMS Vol.  40 (2004), 311-344.

52

(with E. K. Narayanan) An optimal theorem for the spherical maximal  operator on the Heisenberg group, Israel J. Math. 144  (2004), 211-219.

 

53

      (with B. Krotz and Y. Xu) The heat kernel transform for the Heisenberg group, J. Funct. Anal. 225 (2005), 301-336.

 

54

      (with R. P. Sarkar) On theorems of Beurling and Hardy  for the Euclidean  motion group, Tohoku Math J. (to appear).

 

    55     

(with Y. Xu) Convolution operator and maximal function for the Dunkl transform, J. Analyse Math. 97 (2005), 25-55.

 

56

Poisson transform for the Heisenberg group and eigenfunctions of the sublaplacian Math. Ann. 335, 879-899 (2006).

 

57

(with E.K.Narayanan) A spectral Paley-Wiener theorem for the Heisenberg group and a support theorem for the twisted spherical means on Cn. Ann. Inst. Fourier (Grenoble) 56 (2006), 459-473.

 

58

     (With S.Parui) Variations on a theorem of Cowling and Price with applications to nilpotent Lie groups, J. Austr.  Math.  Soc. 82 (2007),no. 1, 11-27.

 

59

Gutzmer’s formula and Poisson integrals on the Heisenberg group, Pacific J. Math. 231 (2007), no.1, 217-237.

 

60

A Paley-Wiener theorem for the inverse Fourier transform on some homogeneous spaces, Hiroshima Math. Journal, 37(2007), no.2, 145-159.

 

61

Holomorphic Sobolev spaces associated to compact symmetric spaces, J. Funct. Anal. 251(2007), no. 2, 438-462.

 

62

.     (with R. Sarkar) An analogue of the Wiener Tauberian theorem for the Heisenberg motion group, J. Indian Inst. of Science, 87(2007), 467-474.

63

(with B. Kroetz and Y. Xu) Heat kernel transform for nilmanifolds associated to the Heisenberg group, Revista Math. Ibero. (to appear).

 

64 (with B. Rajeev) Probabilistic representations of solutions of the forward equations, Potential Analysis (to appear).

65

An analogue of Gutzmer’s formula for Hermite expansions, Stud. Math. (to appear).

 

 

II. Research papers in conference Proceedings

1

(with R.Radha) Multipliers for Hermite and Laguerre Sobolev spaces, The Journal of Analysis, Vol.12 (2004),183-191

 

2

Hardy’s theorem: A survey, in ’Advances in Analysis’, Proc. 4th ISAAC congress, Ed. H.G.W.Begehr et al, World Scientific,(2005), 39-70.

 

3

(with Y. Xu) Riesz transforms and Riesz potentials for the Dunkl transform, J. Comp. and Appl. Math. 199 (2007),181-195.

 

4 Hermite and Laguerre semigroups: some recent developments, CIMPA-Venezuela lecture notes (to appear)

III.Preprints

1

(with Ron Kerman) Weighted norm inequalities for the Abel means of Hermite and special Hermite expansions (preprint).

 

2

(with S. Parui) On theorems of Beurling and Hardy for certain step two nilpotent Lie groups,(preprint)

 

3

(with R. Radha), Holomorphic Sobolev spaces, Hermite and special Hermite semi-  groups and a Paley-Wiener theorem for the windowed Fourier transform (preprint)

 

IV. Monographs

A

Lectures on Hermite and Laguerre expansions, Princeton Univ. press, Princeton (1993).

 

B

Harmonic analysis on the Heisenberg group, Progress in Math. Vol 159, Bikhauser, Boston (1998).

 

C

(Edited  with  M.  Krishna  and  R.  Radha)  Wavelets  and  their  applications, Allied Publishers, Chennai (2003).

 

D

An  Introduction  to  the  uncertainty  principle:   Hardy’s  Theorem  on  Lie groups, Progr.  Math.  Vol.  217, Birkhauser, Boston (2004)

 

   
 

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