The Degiorgi - Nash - Moser Type of Estimate Forparabolic
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چکیده
The DeGiorgi-Nash-Moser estimate plays a crucial role in the study of quasilinear elliptic and parabolic equations. In the present paper we shall show that this fundamental estimate holds for solutions of a linear parabolic Volterra inte-grodiierential equation: @u @t = @ @x i a ij (x; t) @u @x j + Z t 0 @ @x i b ij (x; t;) @u @x j dd; where fa ij g and fb ij g are only assumed to be measurable, bounded and fa ij g satisfy a strong ellipticity condition. The proof is based on L 2;; theory for parabolic equations. A global solvability result in the classical sense for a class of quasilinear parabolic integrodiierential equations is presented as an application of the general results.
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تاریخ انتشار 1997