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Search: All articles in the CMB digital archive with keyword Heisenberg group

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1. CMB 2012 (vol 56 pp. 881)

Xie, BaoHua; Wang, JieYan; Jiang, YuePing
 Free Groups Generated by Two Heisenberg Translations In this paper, we will discuss the groups generated by two Heisenberg translations of $\mathbf{PU}(2,1)$ and determine when they are free. Keywords:free group, Heisenberg group, complex triangle groupCategories:30F40, 22E40, 20H10

2. CMB 2004 (vol 47 pp. 389)

He, Jianxun
 An Inversion Formula of the Radon Transform Transform on the Heisenberg Group In this paper we give an inversion formula of the Radon transform on the Heisenberg group by using the wavelets defined in [3]. In addition, we characterize a space such that the inversion formula of the Radon transform holds in the weak sense. Keywords:wavelet transform, Radon transform, Heisenberg groupCategories:43A85, 44A15

3. CMB 2001 (vol 44 pp. 346)

Wang, Wei
 Positive Solution of a Subelliptic Nonlinear Equation on the Heisenberg Group In this paper, we establish the existence of positive solution of a nonlinear subelliptic equation involving the critical Sobolev exponent on the Heisenberg group, which generalizes a result of Brezis and Nirenberg in the Euclidean case. Keywords:Heisenberg group, subLapacian, critical Sobolev exponent, extremalsCategories:35J20, 35J60