Estimates of the stabilization rate as t{yields}{infinity} of solutions of the first mixed problem for a quasilinear system of second-order parabolic equations
Journal Article
·
· Sbornik. Mathematics
- Sterlitamak State Pedagogical Institute, Sterlitamak (Russian Federation)
- Bashkir State University, Ufa (Russian Federation)
A quasilinear system of parabolic equations with energy inequality is considered in a cylindrical domain {l_brace}t>0{r_brace}x{omega}. In a broad class of unbounded domains {omega} two geometric characteristics of a domain are identified which determine the rate of convergence to zero as t{yields}{infinity} of the L{sub 2}-norm of a solution. Under additional assumptions on the coefficients of the quasilinear system estimates of the derivatives and uniform estimates of the solution are obtained; they are proved to be best possible in the order of convergence to zero in the case of one semilinear equation.
- OSTI ID:
- 21202910
- Journal Information:
- Sbornik. Mathematics, Vol. 191, Issue 2; Other Information: DOI: 10.1070/SM2000v191n02ABEH000454; Country of input: International Atomic Energy Agency (IAEA); ISSN 1064-5616
- Country of Publication:
- United States
- Language:
- English
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