Per citar aquest document: http://ddd.uab.cat/record/2047
Estimates of Green functions and harmonic measures for elliptic operators with singular drift terms
Ifra, Abdoul
Riahi, Lotfi

Data: 2005
Resum: In this paper, we prove the existence and uniqueness of the continuous Green function G for the elliptic operator L = div(A(x)∇x)+B(x)·∇x with singular drift term B on a C1,1 bounded domain D in Rn, n ≥ 3, and its comparability to the Green function G0 of L0 = div(A(x)∇x). Basing on this result we establish the equivalence of the L-harmonic measure and the surface measure on ∂D. These results extend some first ones proved for elliptic operators with less singular drift terms.
Drets: Tots els drets reservats.
Llengua: Anglès.
Document: Article ; recerca ; article ; publishedVersion
Matèria: Elliptic operator ; Drift term ; Green function ; Poisson kernel ; Harmonic measure ; Kato class
Publicat a: Publicacions matematiques, V. 49 N. 1 (2005) , p. 159-177, ISSN 0214-1493

DOI: 10.5565/PUBLMAT_49105_07


19 p, 172.0 KB

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