Global Properties of Transition Kernels Associated with Second-order Elliptic Operators

2011 ◽  
pp. 415-432
Author(s):  
Karima Laidoune ◽  
Giorgio Metafune ◽  
Diego Pallara ◽  
Abdelaziz Rhandi
Keyword(s):  
Elliptic Operators ◽  
Second Order ◽  
Global Properties ◽  
Second Order Elliptic Operators

Some results on second-order elliptic operators with polynomially growing coefficients in L-spaces

2021 ◽  
pp. 125209
Author(s):  
Sallah Eddine Boutiah ◽  
Loredana Caso ◽  
Federica Gregorio ◽  
Cristian Tacelli
Keyword(s):  
Elliptic Operators ◽  
Second Order ◽  
Second Order Elliptic Operators

scholarly journals The regularity problem for second order elliptic operators with complex-valued bounded measurable coefficients

2014 ◽  
Vol 361 (3-4) ◽  
pp. 863-907 ◽  
Author(s):  
Steve Hofmann ◽  
Carlos Kenig ◽  
Svitlana Mayboroda ◽  
Jill Pipher
Keyword(s):  
Elliptic Operators ◽  
Second Order ◽  
Regularity Problem ◽  
Measurable Coefficients ◽  
Second Order Elliptic Operators ◽  
Complex Valued

On the spectra of non-self-adjoint realisations of second-order elliptic operators

1981 ◽  
Vol 90 (1-2) ◽  
pp. 71-105 ◽  
Author(s):  
W. D. Evans
Keyword(s):  
Spherical Shell ◽  
Essential Spectrum ◽  
Weighted Space ◽  
Elliptic Operators ◽  
Second Order ◽  
Sectorial Operator ◽  
Image Position ◽  
Second Order Elliptic Operators ◽  
Complex Valued

SynopsisLet τ denote the second-order elliptic expressionwhere the coefficients bj and q are complex-valued, and let Ω be a spherical shell Ω = {x:x ∈ ℝn, l <|x|<m} with l≧0, m≦∞. Under the conditions assumed on the coefficients of τ and with either Dirichlet or Neumann conditions on the boundary of Ω, τ generates a quasi-m-sectorial operator T in the weighted space L2(Ω;w). The main objective is to locate the spectrum and essential spectrum of T. Best possible results are obtained.

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