TY - JOUR T1 - Initial-boundary-value Problem for a Degenerate Quasilinear Parabolic Equation of Order 2m AU - Cao Zhenchao, Gu Liankun JO - Journal of Partial Differential Equations VL - 1 SP - 13 EP - 20 PY - 1990 DA - 1990/03 SN - 3 DO - http://doi.org/ UR - https://global-sci.org/intro/article_detail/jpde/5787.html KW - Higher-order degenerate equation KW - semibounded-variational operator KW - Galërkin method AB - In this paper we consider the initial-boundary value problem for the higher-order degenerate quasilinear parabolic equation \frac{∂u(x, t)}{∂t} + Σ_{|α|≤M}(-1)^{|α|}D^αA_α(x, t, δu, D^mu) = 0 Under some structural conditions for A_α(x, t, δu, D^mu), existence and uniqueness theorem are proved by applying variational operator theory and Galërkin method.