A Class of Compact Weyl Transforms on L2(ℝ)

2006 ◽  
pp. 123-126
Keyword(s):  
2019 ◽  
Vol 10 (4) ◽  
pp. 769-791 ◽  
Author(s):  
Norbert Ortner ◽  
Peter Wagner

Abstract Several formulas for the eigenvalues $$\lambda _j$$ λ j of the Weyl transforms $$W_\sigma $$ W σ of symbols $$\sigma $$ σ given by radially symmetric distributions are derived. These yield criteria for the boundedness and the compactness, respectively, of the pseudo-differential operators $$W_\sigma .$$ W σ . We investigate some examples by analyzing the asymptotic behavior of $$\lambda _j$$ λ j for $$j\rightarrow \infty $$ j → ∞ .


2014 ◽  
Vol 6 (1) ◽  
pp. 11-19 ◽  
Author(s):  
Aparajita Dasgupta ◽  
M. W. Wong
Keyword(s):  

2000 ◽  
Vol 37 (2) ◽  
pp. 232-237
Author(s):  
Jingde Du ◽  
M. W. Wong

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