Edit Profile (opens in new tab) Thangavelu, Sundaram Co-Author Distance Author ID: thangavelu.sundaram Published as: Thangavelu, S.; Thangavelu, Sundaram Documents Indexed: 138 Publications since 1985, including 3 Books and 13 Additional arXiv Preprints 1 Contribution as Editor · 1 Further Contribution Co-Authors: 47 Co-Authors with 81 Joint Publications 623 Co-Co-Authors all top 5 Co-Authors 57 single-authored 9 Roncal, Luz 8 Ganguly, Pritam 7 Boggarapu, Pradeep 6 Narayanan, E. K. 5 Bagchi, Sayan 5 Garg, Rahul 5 Radha, Ramakrishnan 4 Lavanya, R. Lakshmi 4 Manna, Ramesh 4 Ratnakumar, P. K. 4 Xu, Yuan 3 Bhimani, Divyang G. 3 Jotsaroop, Kaur 3 Krötz, Bernhard J. 3 Naidu, D. Venku 3 Parui, Sanjay 3 Sanjay, P. K. 2 Baklouti, Ali 2 Balhara, Rakesh 2 Ben Saïd, Salem 2 Nicola, Fabio 2 Rajeev, Bhaskaran 2 Sarkar, Jayanta 2 Sarkar, Rudra P. 2 Sitaram, Alladi 2 Sundari, Maddala 2 Trapasso, Salvatore Ivan 1 Adimurthi, A. 1 Basak, Riju 1 Brandolini, Luca 1 Ciaurri, Óscar 1 Dasgupta, Aparajita 1 Folland, Gerald B. 1 Gigante, Giacomo 1 Gimperlein, Heiko 1 Hait, Sourav 1 Jeyakumar, G. 1 Minakshisundaram, Subbaramiah 1 Muthukumar, Arul Jayanth 1 Nevo, Amos 1 Panigrahi, Sai Sudha 1 Pati, Vishwambhar 1 Peetre, Jaak 1 Rawat, Rama 1 Sajith, Gopalan 1 Smitha, Chettutty 1 Travaglini, Giancarlo 1 Velayutham, C. Shunmuga 1 Wallin, Nils-Olof all top 5 Serials 10 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 8 Journal of Functional Analysis 8 Revista Matemática Iberoamericana 6 Colloquium Mathematicum 5 Journal d’Analyse Mathématique 4 Studia Mathematica 4 Advances in Mathematics 4 Proceedings of the American Mathematical Society 4 Tôhoku Mathematical Journal. Second Series 4 Advances in Pure and Applied Mathematics 3 Israel Journal of Mathematics 3 Mathematische Zeitschrift 3 Monatshefte für Mathematik 3 Transactions of the American Mathematical Society 3 The Journal of Analysis 3 The Journal of Fourier Analysis and Applications 3 Journal of the Australian Mathematical Society 2 Journal of Mathematical Analysis and Applications 2 Arkiv för Matematik 2 Annales de l’Institut Fourier 2 Mathematische Annalen 2 Revista de la Unión Matemática Argentina 2 Publicacions Matemàtiques 2 IMRN. International Mathematics Research Notices 2 Progress in Mathematics 1 Analysis Mathematica 1 Annali di Matematica Pura ed Applicata. Serie Quarta 1 Duke Mathematical Journal 1 Hiroshima Mathematical Journal 1 Indiana University Mathematics Journal 1 Integral Equations and Operator Theory 1 Journal of Computational and Applied Mathematics 1 Journal of the Indian Institute of Science 1 Journal für die Reine und Angewandte Mathematik 1 Mathematische Nachrichten 1 The Mathematics Student 1 Nagoya Mathematical Journal 1 Pacific Journal of Mathematics 1 Proceedings of the Edinburgh Mathematical Society. Series II 1 Publications of the Research Institute for Mathematical Sciences, Kyoto University 1 Communications in Partial Differential Equations 1 Potential Analysis 1 The New York Journal of Mathematics 1 Integral Transforms and Special Functions 1 Communications on Pure and Applied Analysis 1 Annali della Scuola Normale Superiore di Pisa. Classe di Scienze. Serie V 1 Lectures on Mathematics and Physics. Mathematics. Tata Institute of Fundamental Research 1 Mathematical Notes (Princeton) 1 Analysis & PDE 1 Annals of Functional Analysis 1 Ramanujan Mathematical Society Collected Works Series all top 5 Fields 79 Abstract harmonic analysis (43-XX) 63 Harmonic analysis on Euclidean spaces (42-XX) 51 Topological groups, Lie groups (22-XX) 29 Partial differential equations (35-XX) 20 Special functions (33-XX) 16 Functional analysis (46-XX) 15 Operator theory (47-XX) 9 Real functions (26-XX) 8 Integral transforms, operational calculus (44-XX) 6 Global analysis, analysis on manifolds (58-XX) 3 Several complex variables and analytic spaces (32-XX) 3 Sequences, series, summability (40-XX) 3 Differential geometry (53-XX) 2 Functions of a complex variable (30-XX) 2 Approximations and expansions (41-XX) 2 Probability theory and stochastic processes (60-XX) 1 History and biography (01-XX) 1 Number theory (11-XX) 1 Measure and integration (28-XX) 1 Potential theory (31-XX) 1 Ordinary differential equations (34-XX) 1 Dynamical systems and ergodic theory (37-XX) 1 Biology and other natural sciences (92-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 107 Publications have been cited 1,547 times in 912 Documents Cited by ▼ Year ▼ Lectures on Hermite and Laguerre expansions. Zbl 0791.41030 Thangavelu, Sundaram 313 1993 Harmonic analysis on the Heisenberg group. Zbl 0892.43001 Thangavelu, Sundaram 163 1998 Convolution operator and maximal function for the Dunkl transform. Zbl 1131.43006 Thangavelu, Sundaram; Xu, Yuan 138 2006 Riesz transform and Riesz potentials for Dunkl transform. Zbl 1145.44001 Thangavelu, Sundaram; Xu, Yuan 63 2007 An introduction to the uncertainty principle. Hardy’s theorem on Lie groups. With a foreword by Gerald B. Folland. Zbl 1188.43010 Thangavelu, Sundaram 60 2004 Uncertainty principles on certain Lie groups. Zbl 0857.43011 Sitaram, A.; Sundari, M.; Thangavelu, S. 54 1995 Hardy’s inequality for fractional powers of the sublaplacian on the Heisenberg group. Zbl 1348.43011 Roncal, Luz; Thangavelu, Sundaram 37 2016 On regularity of twisted spherical means and special Hermite expansions. Zbl 0821.43005 Thangavelu, S. 30 1993 Riesz transforms and the wave equation for the Hermite operator. Zbl 0709.35068 Thangavelu, S. 29 1990 Spherical means and CR functions on the Heisenberg group. Zbl 0822.43001 Thangavelu, S. 24 1994 The heat kernel transform for the Heisenberg group. Zbl 1075.22005 Krötz, Bernhard; Thangavelu, Sundaram; Xu, Yuan 21 2005 Hardy’s inequalities for Hermite and Laguerre expansions. Zbl 1062.42021 Radha, R.; Thangavelu, S. 21 2004 Multipliers for Hermite expansions. Zbl 0687.42015 Thangavelu, S. 19 1987 Riesz transforms and multipliers for the Grushin operator. Zbl 1270.35013 Jotsaroop, K.; Sanjay, P. K.; Thangavelu, S. 19 2013 Hermite and special Hermite expansions revisited. Zbl 0945.42014 Thangavelu, S. 18 1998 Pointwise ergodic theorems for radial averages on the Heisenberg group. Zbl 0888.22002 Nevo, Amos; Thangavelu, Sundaram 18 1997 Hermite and Laguerre semigroups – some recent developments. Zbl 1295.22015 Thangavelu, Sundaram 18 2012 Summability of Hermite expansions. I. Zbl 0685.42015 Thangavelu, S. 17 1989 On theorems of Beurling and Hardy for the Euclidean motion groups. Zbl 1085.22004 Sarkar, Rudra P.; Thangavelu, Sundaram 15 2005 Lectures on partial differential equations. Delivered at the Indian Institute of Science, Bangalore. Notes by K. T. Joseph and S. Thangavelu. Zbl 0529.35005 Folland, G. B. 14 1983 An analogue of Hardy’s theorem for the Heisenberg group. Zbl 0965.43002 Thangavelu, S. 14 2001 Some uncertainty inequalities. Zbl 0731.42024 Thangavelu, S. 13 1990 Mixed norm estimates for the Cesàro means associated with Dunkl-Hermite expansions. Zbl 1405.42049 Boggarapu, Pradeep; Roncal, Luz; Thangavelu, Sundaram 13 2017 On conjugate Poisson integrals and Riesz transforms for the Hermite expansions. Zbl 0821.42016 Thangavelu, S. 12 1993 An optimal theorem for the spherical maximal operator on the Heisenberg group. Zbl 1062.43016 Narayanan, E. K.; Thangavelu, S. 12 2004 Spherical means on the Heisenberg group and a restriction theorem for the symplectic Fourier transform. Zbl 0785.43003 Thangavelu, S. 12 1991 On Hermite pseudo-multipliers. Zbl 1319.43006 Bagchi, Sayan; Thangavelu, Sundaram 12 2015 An extension problem and trace Hardy inequality for the sub-Laplacian on \(H\)-type groups. Zbl 1484.35015 Roncal, Luz; Thangavelu, Sundaram 12 2020 Holomorphic Sobolev spaces, Hermite and special Hermite semigroups and a Paley-Wiener theorem for the windowed Fourier transform. Zbl 1168.43005 Radha, R.; Thangavelu, S. 11 2009 Littlewood-Paley-Stein theory on \({\mathbb{C}}^ n\) and Weyl multipliers. Zbl 0734.42010 Thangavelu, S. 11 1990 Holomorphic Sobolev spaces associated to compact symmetric spaces. Zbl 1130.22004 Thangavelu, S. 11 2007 A restriction theorem for the Heisenberg motion group. Zbl 0978.42016 Ratnakumar, P. K.; Rawat, Rama; Thangavelu, S. 10 1997 Hardy’s theorem for the Helgason Fourier transform on noncompact rank one symmetric spaces. Zbl 1025.22007 Thangavelu, S. 10 2002 Injectivity sets for spherical means on the Heisenberg group. Zbl 0995.43003 Narayanan, E. K.; Thangavelu, S. 10 2001 Probability representations of solutions to the heat equation. Zbl 1052.35065 Rajeev, B.; Thangavelu, S. 10 2003 On Paley-Wiener theorems for the Heisenberg group. Zbl 0793.43006 Thangavelu, S. 10 1993 Summability of Hermite expansions. II. Zbl 0685.42016 Thangavelu, S. 9 1989 Probabilistic representations of solutions of the forward equations. Zbl 1134.60042 Rajeev, B.; Thangavelu, S. 9 2008 Revisiting Hardy’s theorem for the Heisenberg group. Zbl 1045.22010 Thangavelu, S. 8 2002 A spectral Paley-Wiener theorem for the Heisenberg group and a support theorem for the twisted spherical means on \(\mathbb C^n\). Zbl 1089.43006 Narayanan, E. K.; Thangavelu, S. 8 2006 On the maximal function associated to the spherical means on the Heisenberg group. Zbl 1486.43007 Bagchi, Sayan; Hait, Sourav; Roncal, Luz; Thangavelu, Sundaram 8 2021 Hardy-type inequalities for fractional Powers of the Dunkl-Hermite operator. Zbl 1435.26013 Ciaurri, Óscar; Roncal, Luz; Thangavelu, Sundaram 8 2018 An analogue of Gutzmer’s formula for Hermite expansions. Zbl 1283.42013 Thangavelu, S. 7 2008 Mean periodic functions on phase space and the Pompeiu problem with a twist. Zbl 0831.43003 Thangavelu, Sundaram 7 1995 On Paley-Wiener and Hardy theorems for \(NA\) groups. Zbl 1045.22008 Thangavelu, S. 7 2003 On theorems of Beurling and Hardy for certain step two nilpotent groups. Zbl 1162.43003 Parui, Sanjay; Thangavelu, Sundaram 7 2009 On almost everywhere and mean convergence of Hermite and Laguerre expansions. Zbl 0747.42014 Thangavelu, S. 7 1990 Summability of Laguerre expansions. Zbl 0737.41033 Thangavelu, S. 7 1990 Gutzmer’s formula and Poisson integrals on the Heisenberg group. Zbl 1149.43008 Thangavelu, Sundaram 7 2007 Revisiting the Fourier transform on the Heisenberg group. Zbl 1285.43003 Lavanya, R. Lakshmi; Thangavelu, S. 7 2014 Harmonic analysis on Heisenberg nilmanifolds. Zbl 1286.43011 Thangavelu, Sundaram 7 2009 Uniqueness of solutions to Schrödinger equations on \(H\)-type groups. Zbl 1286.22009 Ben Saïd, Salem; Thangavelu, Sundaram; Dogga, Venku Naidu 7 2013 Multipliers for Hermite and Laguerre Sobolev spaces. Zbl 1094.42008 Radha, R.; Thangavelu, S. 6 2004 Poisson transform for the Heisenberg group and eigenfunctions of the sublaplacian. Zbl 1100.22008 Thangavelu, S. 6 2006 Transplantation, summability and multipliers for multiple Laguerre expansions. Zbl 0788.42008 Thangavelu, Sundaram 6 1992 Revisiting Riesz transforms on Heisenberg groups. Zbl 1258.22004 Sanjay, P. K.; Thangavelu, Sundaram 6 2012 Phase space analysis of the Hermite semigroup and applications to nonlinear global well-posedness. Zbl 1476.35297 Bhimani, Divyang G.; Manna, Ramesh; Nicola, Fabio; Thangavelu, Sundaram; Trapasso, S. Ivan 6 2021 Theorems of Chernoff and Ingham for certain eigenfunction expansions. Zbl 1477.43009 Ganguly, Pritam; Thangavelu, Sundaram 6 2021 Variations on a theorem of Cowling and Price with applications to nilpotent Lie groups. Zbl 1120.43002 Parui, S.; Thangavelu, S. 5 2007 On the unreasonable effectiveness of Gutzmer’s formula. Zbl 1194.43007 Thangavelu, Sundaram 5 2010 Variants of Miyachi’s theorem for nilpotent Lie groups. Zbl 1193.22009 Baklouti, Ali; Thangavelu, Sundaram 5 2010 On the injectivity of twisted spherical means of \(\mathbb{C}^n\). Zbl 0986.43001 Sajith, G.; Thangavelu, S. 5 2001 On theorems of Hardy, Gelfand-Shilov and Beurling for semisimple groups. Zbl 1050.22014 Thangavelu, Sundaram 5 2004 Some restriction theorems for the Heisenberg group. Zbl 0747.43003 Thangavelu, S. 5 1991 A Paley-Wiener theorem for step two nilpotent Lie groups. Zbl 0820.43004 Thangavelu, Sundaram 5 1994 On the lacunary spherical maximal function on the Heisenberg group. Zbl 1470.43011 Ganguly, Pritam; Thangavelu, Sundaram 5 2021 A characterisation of the Fourier transform on the Heisenberg group. Zbl 1260.43010 Lavanya, R. Lakshmi; Thangavelu, S. 4 2012 An uncertainty principle for eigenfunction expansions. Zbl 1056.42511 Pati, V.; Sitaram, A.; Sundari, M.; Thangavelu, S. 4 1996 Weyl multipliers, Bochner-Riesz means and special Hermite expansions. Zbl 0765.42009 Thangavelu, S. 4 1991 Hardy and Miyachi theorems for Heisenberg motion groups. Zbl 1409.43003 Baklouti, Ali; Thangavelu, Sundaram 4 2018 Hermite multipliers on modulation spaces. Zbl 1414.35183 Bhimani, Divyang G.; Balhara, Rakesh; Thangavelu, Sundaram 4 2019 A Paley-Wiener theorem for the inverse Fourier transform on some homogeneous spaces. Zbl 1143.22008 Thangavelu, S. 3 2007 Spherical means, wave equations, and Hermite-Laguerre expansions. Zbl 0910.42008 Ratnakumar, P. K.; Thangavelu, S. 3 1998 On Strichartz’s uncertainty inequality for the Heisenberg group. Zbl 1047.42010 Smitha, Chettutty; Thangavelu, Sundaram 3 2003 Restriction theorems for the Heisenberg group. Zbl 0708.43003 Thangavelu, S. 3 1991 A note on a transplantation theorem of Kanjin and multiple Laguerre expansions. Zbl 0823.42017 Thangavelu, S. 3 1993 Dimension free boundedness of Riesz transforms for the Grushin operator. Zbl 1305.43008 Sanjay, P. K.; Thangavelu, S. 3 2014 \(L^p\) estimates for the wave equation associated to the Grushin operator. Zbl 1318.42035 Jotsaroop, Kaur; Thangavelu, Sundaram 3 2014 Heat kernel transform for nilmanifolds associated to the Heisenberg group. Zbl 1153.22009 Krötz, Bernhard; Thangavelu, Sundaram; Xu, Yuan 3 2008 Analyticity of the Schrödinger propagator on the Heisenberg group. Zbl 1256.22004 Parui, S.; Ratnakumar, P. K.; Thangavelu, S. 3 2012 On extension problem, trace Hardy and Hardy’s inequalities for some fractional Laplacians. Zbl 1481.35017 Boggarapu, Pradeep; Roncal, Luz; Thangavelu, Sundaram 3 2019 An uncertainty principle for spectral projections on rank one symmetric spaces of noncompact type. Zbl 1496.43005 Ganguly, Pritam; Thangavelu, Sundaram 3 2022 On the Hermite expansions of functions from the Hardy class. Zbl 1198.42029 Garg, Rahul; Thangavelu, Sundaram 2 2010 Weyl multipliers for invariant Sobolev spaces. Zbl 0934.46039 Radha, Ramakrishnan; Thangavelu, Sundaram 2 1998 Local ergodic theorems for \(K\)-spherical averages on the Heisenberg group. Zbl 0957.22005 Thangavelu, S. 2 2000 Some remarks on Bochner-Riesz means. Zbl 0968.42011 Thangavelu, S. 2 2000 An analogue of the Wiener Tauberian theorem for the Heisenberg motion group. Zbl 1226.43004 Sarkar, Rudra P.; Thangavelu, Sundaram 2 2007 Gutzmer’s formula and the Segal-Bargmann transform. Zbl 1187.22007 Thangavelu, S. 2 2009 A survey of Hardy type theorems. Zbl 1092.43006 Thangavelu, S. 2 2005 Hermite expansions on \({\mathbb{R}}^{2n}\) for radial functions. Zbl 0732.42019 Thangavelu, S. 2 1990 A multiplier theorem for the sublaplacian on the Heisenberg group. Zbl 0754.43005 Thangavelu, S. 2 1991 Hermite expansions on \({\mathbb{R}}^ n\) for radial functions. Zbl 0781.42030 Thangavelu, S. 2 1993 On a theorem of Chernoff on rank one Riemannian symmetric spaces. Zbl 1491.43008 Ganguly, Pritam; Manna, Ramesh; Thangavelu, Sundaram 2 2022 On the images of Sobolev spaces under the heat kernel transform on the Heisenberg group. Zbl 1277.42027 Radha, R.; Thangavelu, S.; Naidu, D. Venku 2 2013 Weighted norm inequalities for Weyl multipliers and Fourier multipliers on the Heisenberg group. Zbl 1440.42039 Bagchi, Sayan; Thangavelu, Sundaram 2 2018 Toeplitz operators with special symbols on Segal-Bargmann spaces. Zbl 1233.47023 Jotsaroop, K.; Thangavelu, S. 1 2011 A characterisation of the Weyl transform. Zbl 1246.42008 Lakshmi Lavanya, R.; Thangavelu, S. 1 2012 \(L^{p}-L^{2}\) estimates for solutions of the wave equation associated to the Grushin operator. Zbl 1391.35089 Thangavelu, Sundaram; Dogga, Venku Naidu 1 2018 Riesz means for the sublaplacian on the Heisenberg group. Zbl 0726.43010 Thangavelu, S. 1 1990 Multipliers for the Weyl transform and Laguerre expansions. Zbl 0734.42009 Thangavelu, S. 1 1990 An analogue of Ingham’s theorem on the Heisenberg group. Zbl 07735171 Bagchi, Sayan; Ganguly, Pritam; Sarkar, Jayanta; Thangavelu, Sundaram 1 2023 An uncertainty principle for spectral projections on rank one symmetric spaces of noncompact type. Zbl 1496.43005 Ganguly, Pritam; Thangavelu, Sundaram 3 2022 On a theorem of Chernoff on rank one Riemannian symmetric spaces. Zbl 1491.43008 Ganguly, Pritam; Manna, Ramesh; Thangavelu, Sundaram 2 2022 Beurling’s theorem on the Heisenberg group. Zbl 1516.43004 Thangavelu, Sundaram 1 2022 On the maximal function associated to the spherical means on the Heisenberg group. Zbl 1486.43007 Bagchi, Sayan; Hait, Sourav; Roncal, Luz; Thangavelu, Sundaram 8 2021 Phase space analysis of the Hermite semigroup and applications to nonlinear global well-posedness. Zbl 1476.35297 Bhimani, Divyang G.; Manna, Ramesh; Nicola, Fabio; Thangavelu, Sundaram; Trapasso, S. Ivan 6 2021 Theorems of Chernoff and Ingham for certain eigenfunction expansions. Zbl 1477.43009 Ganguly, Pritam; Thangavelu, Sundaram 6 2021 On the lacunary spherical maximal function on the Heisenberg group. Zbl 1470.43011 Ganguly, Pritam; Thangavelu, Sundaram 5 2021 An extension problem and Hardy type inequalities for the Grushin operator. Zbl 07444048 Balhara, Rakesh; Boggarapu, Pradeep; Thangavelu, Sundaram 1 2021 An extension problem and trace Hardy inequality for the sub-Laplacian on \(H\)-type groups. Zbl 1484.35015 Roncal, Luz; Thangavelu, Sundaram 12 2020 Hermite multipliers on modulation spaces. Zbl 1414.35183 Bhimani, Divyang G.; Balhara, Rakesh; Thangavelu, Sundaram 4 2019 On extension problem, trace Hardy and Hardy’s inequalities for some fractional Laplacians. Zbl 1481.35017 Boggarapu, Pradeep; Roncal, Luz; Thangavelu, Sundaram 3 2019 Hardy-type inequalities for fractional Powers of the Dunkl-Hermite operator. Zbl 1435.26013 Ciaurri, Óscar; Roncal, Luz; Thangavelu, Sundaram 8 2018 Hardy and Miyachi theorems for Heisenberg motion groups. Zbl 1409.43003 Baklouti, Ali; Thangavelu, Sundaram 4 2018 Weighted norm inequalities for Weyl multipliers and Fourier multipliers on the Heisenberg group. Zbl 1440.42039 Bagchi, Sayan; Thangavelu, Sundaram 2 2018 \(L^{p}-L^{2}\) estimates for solutions of the wave equation associated to the Grushin operator. Zbl 1391.35089 Thangavelu, Sundaram; Dogga, Venku Naidu 1 2018 An analogue of Pfannschmidt’s theorem for the Heisenberg group. Zbl 1403.43003 Thangavelu, Sundaram 1 2018 Mixed norm estimates for the Cesàro means associated with Dunkl-Hermite expansions. Zbl 1405.42049 Boggarapu, Pradeep; Roncal, Luz; Thangavelu, Sundaram 13 2017 On the chaotic behavior of the Dunkl heat semigroup on weighted \(L^{p}\) spaces. Zbl 06709000 Boggarapu, Pradeep; Thangavelu, S. 1 2017 Hardy’s inequality for fractional powers of the sublaplacian on the Heisenberg group. Zbl 1348.43011 Roncal, Luz; Thangavelu, Sundaram 37 2016 Mixed norm estimates for the Riesz transforms on \(\mathrm{SU}(2)\). Zbl 1344.42025 Boggarapu, Pradeep; Thangavelu, S. 1 2016 On Hermite pseudo-multipliers. Zbl 1319.43006 Bagchi, Sayan; Thangavelu, Sundaram 12 2015 Revisiting the Fourier transform on the Heisenberg group. Zbl 1285.43003 Lavanya, R. Lakshmi; Thangavelu, S. 7 2014 Dimension free boundedness of Riesz transforms for the Grushin operator. Zbl 1305.43008 Sanjay, P. K.; Thangavelu, S. 3 2014 \(L^p\) estimates for the wave equation associated to the Grushin operator. Zbl 1318.42035 Jotsaroop, Kaur; Thangavelu, Sundaram 3 2014 Riesz transforms and multipliers for the Grushin operator. Zbl 1270.35013 Jotsaroop, K.; Sanjay, P. K.; Thangavelu, S. 19 2013 Uniqueness of solutions to Schrödinger equations on \(H\)-type groups. Zbl 1286.22009 Ben Saïd, Salem; Thangavelu, Sundaram; Dogga, Venku Naidu 7 2013 On the images of Sobolev spaces under the heat kernel transform on the Heisenberg group. Zbl 1277.42027 Radha, R.; Thangavelu, S.; Naidu, D. Venku 2 2013 Hermite and Laguerre semigroups – some recent developments. Zbl 1295.22015 Thangavelu, Sundaram 18 2012 Revisiting Riesz transforms on Heisenberg groups. Zbl 1258.22004 Sanjay, P. K.; Thangavelu, Sundaram 6 2012 A characterisation of the Fourier transform on the Heisenberg group. Zbl 1260.43010 Lavanya, R. Lakshmi; Thangavelu, S. 4 2012 Analyticity of the Schrödinger propagator on the Heisenberg group. Zbl 1256.22004 Parui, S.; Ratnakumar, P. K.; Thangavelu, S. 3 2012 A characterisation of the Weyl transform. Zbl 1246.42008 Lakshmi Lavanya, R.; Thangavelu, S. 1 2012 On the structure of analytic vectors for the Schrödinger representation. Zbl 1267.42035 Garg, Rahul; Thangavelu, Sundaram 1 2012 Toeplitz operators with special symbols on Segal-Bargmann spaces. Zbl 1233.47023 Jotsaroop, K.; Thangavelu, S. 1 2011 On the unreasonable effectiveness of Gutzmer’s formula. Zbl 1194.43007 Thangavelu, Sundaram 5 2010 Variants of Miyachi’s theorem for nilpotent Lie groups. Zbl 1193.22009 Baklouti, Ali; Thangavelu, Sundaram 5 2010 On the Hermite expansions of functions from the Hardy class. Zbl 1198.42029 Garg, Rahul; Thangavelu, Sundaram 2 2010 Holomorphic Sobolev spaces, Hermite and special Hermite semigroups and a Paley-Wiener theorem for the windowed Fourier transform. Zbl 1168.43005 Radha, R.; Thangavelu, S. 11 2009 On theorems of Beurling and Hardy for certain step two nilpotent groups. Zbl 1162.43003 Parui, Sanjay; Thangavelu, Sundaram 7 2009 Harmonic analysis on Heisenberg nilmanifolds. Zbl 1286.43011 Thangavelu, Sundaram 7 2009 Gutzmer’s formula and the Segal-Bargmann transform. Zbl 1187.22007 Thangavelu, S. 2 2009 Probabilistic representations of solutions of the forward equations. Zbl 1134.60042 Rajeev, B.; Thangavelu, S. 9 2008 An analogue of Gutzmer’s formula for Hermite expansions. Zbl 1283.42013 Thangavelu, S. 7 2008 Heat kernel transform for nilmanifolds associated to the Heisenberg group. Zbl 1153.22009 Krötz, Bernhard; Thangavelu, Sundaram; Xu, Yuan 3 2008 Riesz transform and Riesz potentials for Dunkl transform. Zbl 1145.44001 Thangavelu, Sundaram; Xu, Yuan 63 2007 Holomorphic Sobolev spaces associated to compact symmetric spaces. Zbl 1130.22004 Thangavelu, S. 11 2007 Gutzmer’s formula and Poisson integrals on the Heisenberg group. Zbl 1149.43008 Thangavelu, Sundaram 7 2007 Variations on a theorem of Cowling and Price with applications to nilpotent Lie groups. Zbl 1120.43002 Parui, S.; Thangavelu, S. 5 2007 A Paley-Wiener theorem for the inverse Fourier transform on some homogeneous spaces. Zbl 1143.22008 Thangavelu, S. 3 2007 An analogue of the Wiener Tauberian theorem for the Heisenberg motion group. Zbl 1226.43004 Sarkar, Rudra P.; Thangavelu, Sundaram 2 2007 Convolution operator and maximal function for the Dunkl transform. Zbl 1131.43006 Thangavelu, Sundaram; Xu, Yuan 138 2006 A spectral Paley-Wiener theorem for the Heisenberg group and a support theorem for the twisted spherical means on \(\mathbb C^n\). Zbl 1089.43006 Narayanan, E. K.; Thangavelu, S. 8 2006 Poisson transform for the Heisenberg group and eigenfunctions of the sublaplacian. Zbl 1100.22008 Thangavelu, S. 6 2006 The heat kernel transform for the Heisenberg group. Zbl 1075.22005 Krötz, Bernhard; Thangavelu, Sundaram; Xu, Yuan 21 2005 On theorems of Beurling and Hardy for the Euclidean motion groups. Zbl 1085.22004 Sarkar, Rudra P.; Thangavelu, Sundaram 15 2005 A survey of Hardy type theorems. Zbl 1092.43006 Thangavelu, S. 2 2005 An introduction to the uncertainty principle. Hardy’s theorem on Lie groups. With a foreword by Gerald B. Folland. Zbl 1188.43010 Thangavelu, Sundaram 60 2004 Hardy’s inequalities for Hermite and Laguerre expansions. Zbl 1062.42021 Radha, R.; Thangavelu, S. 21 2004 An optimal theorem for the spherical maximal operator on the Heisenberg group. Zbl 1062.43016 Narayanan, E. K.; Thangavelu, S. 12 2004 Multipliers for Hermite and Laguerre Sobolev spaces. Zbl 1094.42008 Radha, R.; Thangavelu, S. 6 2004 On theorems of Hardy, Gelfand-Shilov and Beurling for semisimple groups. Zbl 1050.22014 Thangavelu, Sundaram 5 2004 Probability representations of solutions to the heat equation. Zbl 1052.35065 Rajeev, B.; Thangavelu, S. 10 2003 On Paley-Wiener and Hardy theorems for \(NA\) groups. Zbl 1045.22008 Thangavelu, S. 7 2003 On Strichartz’s uncertainty inequality for the Heisenberg group. Zbl 1047.42010 Smitha, Chettutty; Thangavelu, Sundaram 3 2003 Hardy’s theorem for the Helgason Fourier transform on noncompact rank one symmetric spaces. Zbl 1025.22007 Thangavelu, S. 10 2002 Revisiting Hardy’s theorem for the Heisenberg group. Zbl 1045.22010 Thangavelu, S. 8 2002 An analogue of Hardy’s theorem for the Heisenberg group. Zbl 0965.43002 Thangavelu, S. 14 2001 Injectivity sets for spherical means on the Heisenberg group. Zbl 0995.43003 Narayanan, E. K.; Thangavelu, S. 10 2001 On the injectivity of twisted spherical means of \(\mathbb{C}^n\). Zbl 0986.43001 Sajith, G.; Thangavelu, S. 5 2001 Local ergodic theorems for \(K\)-spherical averages on the Heisenberg group. Zbl 0957.22005 Thangavelu, S. 2 2000 Some remarks on Bochner-Riesz means. Zbl 0968.42011 Thangavelu, S. 2 2000 Harmonic analysis on the Heisenberg group. Zbl 0892.43001 Thangavelu, Sundaram 163 1998 Hermite and special Hermite expansions revisited. Zbl 0945.42014 Thangavelu, S. 18 1998 Spherical means, wave equations, and Hermite-Laguerre expansions. Zbl 0910.42008 Ratnakumar, P. K.; Thangavelu, S. 3 1998 Weyl multipliers for invariant Sobolev spaces. Zbl 0934.46039 Radha, Ramakrishnan; Thangavelu, Sundaram 2 1998 Pointwise ergodic theorems for radial averages on the Heisenberg group. Zbl 0888.22002 Nevo, Amos; Thangavelu, Sundaram 18 1997 A restriction theorem for the Heisenberg motion group. Zbl 0978.42016 Ratnakumar, P. K.; Rawat, Rama; Thangavelu, S. 10 1997 An uncertainty principle for eigenfunction expansions. Zbl 1056.42511 Pati, V.; Sitaram, A.; Sundari, M.; Thangavelu, S. 4 1996 Uncertainty principles on certain Lie groups. Zbl 0857.43011 Sitaram, A.; Sundari, M.; Thangavelu, S. 54 1995 Mean periodic functions on phase space and the Pompeiu problem with a twist. Zbl 0831.43003 Thangavelu, Sundaram 7 1995 Spherical means and CR functions on the Heisenberg group. Zbl 0822.43001 Thangavelu, S. 24 1994 A Paley-Wiener theorem for step two nilpotent Lie groups. Zbl 0820.43004 Thangavelu, Sundaram 5 1994 Lectures on Hermite and Laguerre expansions. Zbl 0791.41030 Thangavelu, Sundaram 313 1993 On regularity of twisted spherical means and special Hermite expansions. Zbl 0821.43005 Thangavelu, S. 30 1993 On conjugate Poisson integrals and Riesz transforms for the Hermite expansions. Zbl 0821.42016 Thangavelu, S. 12 1993 On Paley-Wiener theorems for the Heisenberg group. Zbl 0793.43006 Thangavelu, S. 10 1993 A note on a transplantation theorem of Kanjin and multiple Laguerre expansions. Zbl 0823.42017 Thangavelu, S. 3 1993 Hermite expansions on \({\mathbb{R}}^ n\) for radial functions. Zbl 0781.42030 Thangavelu, S. 2 1993 Transplantation, summability and multipliers for multiple Laguerre expansions. Zbl 0788.42008 Thangavelu, Sundaram 6 1992 Spherical means on the Heisenberg group and a restriction theorem for the symplectic Fourier transform. Zbl 0785.43003 Thangavelu, S. 12 1991 Some restriction theorems for the Heisenberg group. Zbl 0747.43003 Thangavelu, S. 5 1991 Weyl multipliers, Bochner-Riesz means and special Hermite expansions. Zbl 0765.42009 Thangavelu, S. 4 1991 Restriction theorems for the Heisenberg group. Zbl 0708.43003 Thangavelu, S. 3 1991 A multiplier theorem for the sublaplacian on the Heisenberg group. Zbl 0754.43005 Thangavelu, S. 2 1991 Riesz transforms and the wave equation for the Hermite operator. Zbl 0709.35068 Thangavelu, S. 29 1990 Some uncertainty inequalities. Zbl 0731.42024 Thangavelu, S. 13 1990 Littlewood-Paley-Stein theory on \({\mathbb{C}}^ n\) and Weyl multipliers. Zbl 0734.42010 Thangavelu, S. 11 1990 On almost everywhere and mean convergence of Hermite and Laguerre expansions. Zbl 0747.42014 Thangavelu, S. 7 1990 Summability of Laguerre expansions. Zbl 0737.41033 Thangavelu, S. 7 1990 ...and 7 more Documents all cited Publications top 5 cited Publications all top 5 Cited by 835 Authors 66 Thangavelu, Sundaram 21 Mejjaoli, Hatem 20 Torrea, José Luis 18 Huang, Jizheng 14 Baklouti, Ali 14 Roncal, Luz 14 Xu, Yuan 13 Betancor Perez, Jorge Juan 13 Ratnakumar, P. K. 12 Ciaurri, Óscar 12 Dziubański, Jacek 12 Liu, Heping 12 Volchkov, Vitaliĭ Vladimirovich 12 Wong, Man Wah 11 Ghanmi, Allal 11 Parui, Sanjay 11 Radha, Ramakrishnan 10 Amri, Bechir 10 Daher, Radouan 10 Hejna, Agnieszka 10 Stempak, Krzysztof 10 Volchkov, Valeriĭ Vladimirovich 10 Zhao, Jiman 9 Boggarapu, Pradeep 9 Li, Zhongkai 9 Naidu, D. Venku 9 Narayanan, E. K. 9 Rodríguez-Mesa, Lourdes 9 The Anh Bui 9 Trimèche, Khalifa 9 Varona Malumbres, Juan Luis 8 Bagchi, Sayan 8 Chen, Peng 8 Duong, Xuan Thinh 8 Fariña, Juan Carlos 8 Ganguly, Pritam 8 Ivanov, Valerĭ Ivanovich 8 Rajeev, Bhaskaran 8 Viviani, Beatriz E. 7 Castro, Alejandro J. 7 Dai, Feng 7 He, Jianxun 7 Manna, Ramesh 7 Martini, Alessio 7 Molahajloo, Shahla 7 Sen, Suparna 7 Sikora, Adam 7 Soltani, Fethi 7 Yan, Lixin 6 Abdelkefi, Chokri 6 Bhar, Suprio 6 Deleaval, Luc 6 Kagawa, Toshinao 6 Lee, Sanghyuk 6 Liu, Yu 6 Mondal, Shyam Swarup 6 Ochakovskaya, Oksana Aleksandrovna 6 Rawat, Rama 6 Sarkar, Rudra P. 6 Sifi, Mohamed 6 Smaoui, Kais 6 Xiao, Jinsen 5 Anoop, V. P. 5 Ben Saïd, Salem 5 Bhowmik, Mithun 5 Cho, Hong Rae 5 Dasgupta, Aparajita 5 Escauriaza Zubiria, Luis 5 Fanelli, Luca 5 Garg, Rahul 5 Gorbachëv, Dmitriĭ Viktorovich 5 Kumar, Ajay 5 Labarga Varona, Edgar 5 Li, Ji 5 Ly, Fu Ken 5 Müller, Detlef 5 Nowak, Adam 5 Øksendal, Bernt Karsten 5 Ricci, Fulvio 5 Schröder, Michael 5 Sun, Wenchang 5 Sundari, Maddala 5 Wróbel, Błażej Jan 4 Azaouzi, Salma 4 Bahouri, Hajer 4 Bansal, Ashish 4 Bhimani, Divyang G. 4 Ciatti, Paolo 4 Ditzian, Zeev 4 Duong, Dao Van 4 Fernández-Bertolin, Aingeru 4 Garrigós, Gustavo 4 Harboure, Eleonor 4 Jotsaroop, Kaur 4 Kenig, Carlos Eduardo 4 Maalaoui, Ali 4 Mínguez Ceniceros, Judit 4 Mityagin, Boris Samuilovich 4 Plewa, Paweł 4 Ponce, Gustavo ...and 735 more Authors all top 5 Cited in 221 Serials 49 Journal of Functional Analysis 34 The Journal of Fourier Analysis and Applications 32 Journal of Pseudo-Differential Operators and Applications 31 Journal of Mathematical Analysis and Applications 30 Integral Transforms and Special Functions 23 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 22 Proceedings of the American Mathematical Society 21 Journal d’Analyse Mathématique 19 Advances in Mathematics 17 Transactions of the American Mathematical Society 15 Potential Analysis 14 The Journal of Geometric Analysis 14 Complex Analysis and Operator Theory 13 Mathematical Notes 12 Journal of Approximation Theory 12 Journal of Inequalities and Applications 11 Israel Journal of Mathematics 11 Monatshefte für Mathematik 11 Advances in Pure and Applied Mathematics 10 Indian Journal of Pure & Applied Mathematics 10 Mathematische Annalen 10 Bulletin des Sciences Mathématiques 10 Acta Mathematica Sinica. English Series 10 Mediterranean Journal of Mathematics 9 Annali di Matematica Pura ed Applicata. Serie Quarta 9 Mathematische Nachrichten 9 Mathematische Zeitschrift 9 Tôhoku Mathematical Journal. Second Series 8 Communications in Partial Differential Equations 8 Infinite Dimensional Analysis, Quantum Probability and Related Topics 7 Annales de l’Institut Fourier 7 Nonlinear Analysis. Theory, Methods & Applications. Series A: Theory and Methods 7 Results in Mathematics 7 Journal of Mathematical Sciences (New York) 7 Comptes Rendus. Mathématique. Académie des Sciences, Paris 6 Journal of Mathematical Physics 6 Constructive Approximation 6 The Journal of Analysis 6 Journal of the Australian Mathematical Society 6 Advances in Operator Theory 5 Analysis Mathematica 5 Applicable Analysis 5 Journal of Geometry and Physics 5 Duke Mathematical Journal 5 Integral Equations and Operator Theory 5 Revista de la Unión Matemática Argentina 5 Revista Matemática Iberoamericana 5 Journal de Mathématiques Pures et Appliquées. Neuvième Série 5 Doklady Mathematics 5 Communications on Pure and Applied Analysis 5 Journal of Function Spaces 4 Communications in Mathematical Physics 4 Archiv der Mathematik 4 Journal of the Mathematical Society of Japan 4 Manuscripta Mathematica 4 Acta Mathematica Hungarica 4 Applied and Computational Harmonic Analysis 4 Annales Mathématiques Blaise Pascal 4 Complex Variables and Elliptic Equations 4 Banach Journal of Mathematical Analysis 4 Science China. Mathematics 4 Annals of Functional Analysis 3 Advances in Applied Probability 3 Bulletin of the Australian Mathematical Society 3 Mathematical Methods in the Applied Sciences 3 Studia Mathematica 3 Arkiv för Matematik 3 Colloquium Mathematicum 3 International Journal of Mathematics and Mathematical Sciences 3 Journal of Computational and Applied Mathematics 3 Journal of Differential Equations 3 Nagoya Mathematical Journal 3 Rendiconti del Circolo Matemàtico di Palermo. Serie II 3 Semigroup Forum 3 Tokyo Journal of Mathematics 3 Forum Mathematicum 3 Bulletin of the American Mathematical Society. New Series 3 Russian Mathematics 3 Calculus of Variations and Partial Differential Equations 3 Journal of Lie Theory 3 Abstract and Applied Analysis 3 Positivity 3 Taiwanese Journal of Mathematics 3 Mathematical Inequalities & Applications 3 Analysis & PDE 3 Analysis and Mathematical Physics 2 Letters in Mathematical Physics 2 Rocky Mountain Journal of Mathematics 2 Ukrainian Mathematical Journal 2 American Journal of Mathematics 2 Bulletin of the London Mathematical Society 2 Canadian Journal of Mathematics 2 Collectanea Mathematica 2 Journal of the London Mathematical Society. Second Series 2 Publications of the Research Institute for Mathematical Sciences, Kyoto University 2 Applied Numerical Mathematics 2 Publicacions Matemàtiques 2 International Journal of Mathematics 2 SIAM Journal on Mathematical Analysis 2 Indagationes Mathematicae. New Series ...and 121 more Serials all top 5 Cited in 44 Fields 434 Harmonic analysis on Euclidean spaces (42-XX) 262 Abstract harmonic analysis (43-XX) 233 Partial differential equations (35-XX) 160 Operator theory (47-XX) 144 Topological groups, Lie groups (22-XX) 135 Special functions (33-XX) 129 Functional analysis (46-XX) 93 Integral transforms, operational calculus (44-XX) 57 Real functions (26-XX) 51 Probability theory and stochastic processes (60-XX) 44 Quantum theory (81-XX) 31 Global analysis, analysis on manifolds (58-XX) 29 Functions of a complex variable (30-XX) 28 Several complex variables and analytic spaces (32-XX) 26 Approximations and expansions (41-XX) 25 Differential geometry (53-XX) 16 Ordinary differential equations (34-XX) 15 Numerical analysis (65-XX) 13 Potential theory (31-XX) 12 Number theory (11-XX) 11 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 10 Dynamical systems and ergodic theory (37-XX) 9 Difference and functional equations (39-XX) 9 Integral equations (45-XX) 8 Information and communication theory, circuits (94-XX) 7 Linear and multilinear algebra; matrix theory (15-XX) 7 Geometry (51-XX) 7 Statistics (62-XX) 5 Combinatorics (05-XX) 5 Sequences, series, summability (40-XX) 4 Group theory and generalizations (20-XX) 3 Nonassociative rings and algebras (17-XX) 3 Measure and integration (28-XX) 3 Convex and discrete geometry (52-XX) 2 General and overarching topics; collections (00-XX) 2 Algebraic geometry (14-XX) 2 Calculus of variations and optimal control; optimization (49-XX) 2 Mechanics of particles and systems (70-XX) 2 Statistical mechanics, structure of matter (82-XX) 2 Systems theory; control (93-XX) 1 Computer science (68-XX) 1 Fluid mechanics (76-XX) 1 Relativity and gravitational theory (83-XX) 1 Operations research, mathematical programming (90-XX) Citations by Year