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Going to Lorentz when fractional Sobolev, Gagliardo and Nirenberg estimates fail

期刊: CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS, 2021; 60 (4)

In the cases where there is no Sobolev-type or Gagliardo-Nirenberg-type fractional estimate involving |u|Ws,p, we establish alternative estimates wher......

The Stefan problem for the Fisher-KPP equation with unbounded initial range

期刊: CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS, 2021; 60 (2)

We consider the nonlinear Stefan problem 0 in Omega 0 and u0 vanishes on partial derivative Omega 0. When Omega 0 is bounded, the long-time behavior o......

On the planar Schrodinger equation with indefinite linear part and critical growth nonlinearity

期刊: CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS, 2021; 60 (3)

In the present paper, we develop a direct approach to find nontrivial solutions and ground state solutions for the following planar Schrodinger equati......

Convergence rates for linear elasticity systems on perforated domains

期刊: CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS, 2021; 60 (2)

In the present work, we established almost-sharp error estimates for linear elasticity systems in periodically perforated domains. The first result wa......

Global well-posedness to the 2D Cauchy problem of nonhomogeneous heat conducting magnetohydrodynamic equations with large initial data and vacuum

期刊: CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS, 2021; 60 (2)

We establish global well-posedness of strong solutions to the nonhomogeneous heat conducting magnetohydrodynamic equations with non-negative density o......

Symmetry of positive solutions of elliptic equations with mixed boundary conditions in a super-spherical sector

期刊: CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS, 2021; 60 (4)

In this paper we establish some symmetry results for positive solutions of semilinear elliptic equations with mixed boundary conditions. In particular......

To what extent is cross-diffusion controllable in a two-dimensional chemotaxis-(Navier-)Stokes system modeling coral fertilization

期刊: CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS, 2021; 60 (4)

We study the chemotaxis-(Navier-)Stokes system modeling coral fertilization: n(t) + u del n = Delta n - del (nS(x, n, c)del c) - nm, c(t) + u del c = ......

The Lamm-Riviere system I: L-p regularity theory

期刊: CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS, 2021; 60 (6)

Motivated by the heat flow and bubble analysis of biharmonic mappings, we study further regularity issues of the fourth order Lamm-Riviere system Delt......

Optimization of the principal eigenvalue for elliptic operators

期刊: CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS, 2021; 60 (4)

Maximization and minimization problems of the principle eigenvalue for divergence form second order elliptic operators with the Dirichlet boundary con......

Classification of blow-ups and monotonicity formula for half-Laplacian nonlinear heat equation

期刊: CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS, 2021; 60 (1)

We consider the nonlinear half-Laplacian heat equation u(t) + (-Delta)(1/2)u - vertical bar u vertical bar(p-1) u = 0, R-n x (0, T). We prove that all......

Curvature estimates for a class of Hessian type equations

期刊: CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS, 2021; 60 (3)

In this paper, we establish the curvature estimates for a class of Hessian type equations. Some applications are also discussed.

Normalized solutions of a transmission problem of Kirchhoff type

期刊: CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS, 2021; 60 (5)

In this paper, we study solutions with a prescribed L2 mass of a transmission problem of Kirchhoff type, which is an interface problem for elliptic op......

On the Dirichlet problem for a class of fully nonlinear elliptic equations

期刊: CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS, 2021; 60 (5)

Based on the asymptotic property of the level hypersurfaces of f, we show that the solvability of Dirichlet problem for the fully nonlinear elliptic e......

Sharp Sobolev inequalities involving boundary terms revisited

期刊: CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS, 2021; 60 (5)

We revisit the sharp Sobolev inequalities involving boundary terms on Riemannian manifolds with boundaries proved by Li and Zhu (Geom Funct Anal 8: 59......

A blow-up result for a semilinear wave equation with scale-invariant damping and mass and nonlinearity of derivative type

期刊: CALCULUS OF VARIATIONS AND PARTIAL DIFFERENTIAL EQUATIONS, 2021; 60 (2)

In this note, we prove blow-up results for semilinear wave models with damping and mass in the scale-invariant case and with nonlinear terms of deriva......

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