Naik, Muna; Sarkar, Rudra P. Characterization of eigenfunctions of the Laplace-Beltrami operator through heat propagation in small time. (English) Zbl 1451.58012 Monatsh. Math. 192, No. 4, 883-903 (2020). Reviewer: Jorge Vargas (Córdoba) MSC: 58J50 53C35 58J35 43A85 22E30 PDFBibTeX XMLCite \textit{M. Naik} and \textit{R. P. Sarkar}, Monatsh. Math. 192, No. 4, 883--903 (2020; Zbl 1451.58012) Full Text: DOI
Sarkar, Rudra P.; Sengupta, Jyoti Beurling’s theorem and characterization of heat kernel for Riemannian symmetric spaces of noncompact type. (English) Zbl 1134.22007 Can. Math. Bull. 50, No. 2, 291-312 (2007). Reviewer: Benjamin B. Wells jun. (Charlottesville) MSC: 22E30 43A85 PDFBibTeX XMLCite \textit{R. P. Sarkar} and \textit{J. Sengupta}, Can. Math. Bull. 50, No. 2, 291--312 (2007; Zbl 1134.22007) Full Text: DOI arXiv
Ray, Swagato K.; Sarkar, Rudra P. Cowling-Price theorem and characterization of heat kernel on symmetric spaces. (English) Zbl 1059.22010 Proc. Indian Acad. Sci., Math. Sci. 114, No. 2, 159-180 (2004). Reviewer: Olof Svensson (Norrköping) MSC: 22E30 43A30 PDFBibTeX XMLCite \textit{S. K. Ray} and \textit{R. P. Sarkar}, Proc. Indian Acad. Sci., Math. Sci. 114, No. 2, 159--180 (2004; Zbl 1059.22010) Full Text: DOI arXiv