[HTML][HTML] Gaussian bounds for higher-order elliptic differential operators with Kato type potentials

Q Deng, Y Ding, X Yao - Journal of Functional Analysis, 2014 - Elsevier
Let P (D) be a nonnegative homogeneous elliptic operator of order 2m with real constant
coefficients on R n and V be a suitable real measurable function. In this paper, we are …

[HTML][HTML] Lp estimates for fractional Schrödinger operators with Kato class potentials

S Huang, M Wang, Q Zheng, Z Duan - Journal of Differential Equations, 2018 - Elsevier
Abstract Let α> 0, H=(− Δ) α+ V (x), V (x) belongs to the higher order Kato class K 2 α (R n).
For 1≤ p≤∞, we prove a polynomial upper bound of‖ e− it H (H+ M)− β‖ L p, L p in terms …

On regularity of a boundary point for higher-order parabolic equations: towards Petrovskii-type criterion by blow-up approach

VA Galaktionov - Nonlinear Differential Equations and Applications …, 2009 - Springer
The classic problem of regularity of boundary points for higher-order partial differential
equations (PDEs) is concerned. For second-order elliptic and parabolic equations, this study …

Higher order linear parabolic equations

G Barbatis, F Gazzola - Recent trends in nonlinear partial …, 2013 - books.google.com
We first highlight the main differences between second order and higher order linear
parabolic equations. Then we survey existing results for the latter, in particular by analyzing …

Incomplete Self‐Similar Blow‐Up in a Semilinear Fourth‐Order Reaction‐Diffusion Equation

VA Galaktionov - Studies in Applied Mathematics, 2010 - Wiley Online Library
Blow‐up behavior for the fourth‐order semilinear reaction‐diffusion equation 1 is studied.
For the classic semilinear heat equation from combustion theory 2 various blow‐up patterns …

Boundary characteristic point regularity for semilinear reaction-diffusion equations: Towards an ODE criterion

VA Galaktionov, V Maz'ya - Journal of Mathematical Sciences, 2011 - Springer
The classical problem of regularity of boundary characteristic points for semilinear heat
equations with homogeneous Dirichlet conditions is considered. The Petrovskii …

Boundary characteristic point regularity for Navier–Stokes equations: blow-up scaling and Petrovskii-type criterion (a formal approach)

VA Galaktionov, V Maz'ya - Nonlinear Analysis: Theory, Methods & …, 2012 - Elsevier
The three-dimensional (3D) Navier–Stokes equations where u=[u, v, w] T is the vector field
and p is the pressure, are considered. Here, Q0⊂ R3×[− 1, 0) is a smooth domain of a …

Heat kernel estimates for fourth order non-uniformly elliptic operators with non strongly convex symbols

G Barbatis, P Branikas - arXiv preprint arXiv:2012.03615, 2020 - arxiv.org
We obtain heat kernel estimates for a class of fourth order non-uniformly elliptic operators in
two dimensions. Contrary to existing results, the operators considered have symbols that are …

Sturmian Multiple Zeros for Stokes and Navier--Stokes Equations in $\re^ 3$ via Solenoidal Hermite Polynomials

VA Galaktionov - arXiv preprint arXiv:1107.3045, 2011 - arxiv.org
arXiv:1107.3045v2 [math.AP] 12 Oct 2012 Page 1 arXiv:1107.3045v2 [math.AP] 12 Oct 2012
STURMIAN MULTIPLE ZEROS FOR STOKES AND NAVIER–STOKES EQUATIONS IN R3 VIA …

Boundary characteristic point regularity for semilinear reaction-diffusion equations: Towards an ODE criterion

VA Maz'ya - arXiv preprint arXiv:1106.4696, 2011 - arxiv.org
arXiv:1106.4696v1 [math.AP] 23 Jun 2011 Page 1 arXiv:1106.4696v1 [math.AP] 23 Jun
2011 BOUNDARY CHARACTERISTIC POINT REGULARITY FOR SEMILINEAR REACTION-DIFFUSION …