Localization of topological pontryagin classes via finite propagation speed

1994 ◽  
Vol 4 (1) ◽  
pp. 52-92 ◽  
Author(s):  
H. Moscovici ◽  
F. -B. Wu
Keyword(s):  
Propagation Speed ◽  
Finite Propagation ◽  
Finite Propagation Speed

scholarly journals Finite propagation speed and kernels of strictly elliptic operators

1985 ◽  
Vol 8 (1) ◽  
pp. 75-91 ◽  
Author(s):  
David Gurarie
Keyword(s):  
Singular Perturbation ◽  
Schrödinger Operators ◽  
Propagation Speed ◽  
Elliptic Operators ◽  
Schrodinger Operators ◽  
Finite Propagation ◽  
Finite Propagation Speed

We establish estimates of the resolvent and other related kernels and discussLp-theory for a class of strictly elliptic operators onRn. The class of operators considered in the paper is of the formA0+Bwith the leading elliptic partA0and a “singular” perturbationB, whose coefficients haveLp-type and are modeled after Schrödinger operators.

Finite Propagation Speed for Limited Flux Diffusion Equations

2006 ◽  
Vol 182 (2) ◽  
pp. 269-297 ◽  
Author(s):  
Fuensanta Andreu ◽  
Vicent Caselles ◽  
José M. Mazón ◽  
Salvador Moll
Keyword(s):  
Propagation Speed ◽  
Diffusion Equations ◽  
Finite Propagation ◽  
Finite Propagation Speed ◽  
Flux Diffusion
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