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169,291 papers · 148 categories

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148296443591 · Jun 202019922001200920182026
48 results for complex Monge-Ampere operator

The study identifies Hermitian metrics preserving the total Monge-Ampere volume.

problem Understanding Hermitian metrics preserving volume invariance.
method Characterizations and comparison principles for complex Monge-Ampere operator.
result Several characterizations of Hermitian metrics satisfying the comparison principle.

Proves existence of eigenvalue and eigenfunction for complex Monge-Ampère operator.

problem Eigenvalue problem for complex Monge-Ampère operator on bounded domains.
method Follows P.L. Lions' strategy for real case, proves new existence theorem for complex degenerate equations, uses a priori estimates and variational approach.
result Existence of first eigenvalue and eigenfunction with specified properties.

Study on residual Monge-Ampère mass of complex functions with directional Lipschitz continuity.

problem Estimating the residual Monge-Ampère mass of plurisubharmonic functions.
method General decomposition formula under Sasakian structure, L1L^{1}-apriori estimate, upper-bound estimate on residual mass.
result Upper-bound estimate on residual mass for uniformly directional Lipschitz continuity confirmed.

We study degenerate complex Monge-Ampère equations on a compact Kähler manifold (X,ω)(X,ω). We show that the complex Monge-Ampère operator (ω+ddc)n(ω+ dd^c \cdot)^n is well-defined on the class E(X,ω){\mathcal E}(X,ω) of ωω-plurisubharmonic functions with finite weighted Monge-Ampère energy. The class E(X,ω){\mathcal E}(X,ω) is the la…

2006-12-21abs ↗pdf ↗

Study complex Monge-Ampère operator on weighted pluricomplex energy classes.

problem Characterize the range of the Complex Monge-Ampère Operator on weighted pluricomplex energy classes.
method Characterizations and a priori estimates on sub-level sets of solutions.
result A non-negative Borel measure is the Monge-Ampère of a unique function in \(\mathcal E_χ\) if and only if \(χ(\mathcal E_χ) \subset L^1(dμ)\).

The paper studies quaternionic Monge-Ampère equations in weighted energy classes.

problem Characterizing the finite energy range of quaternionic Monge-Ampère operator.
method Proving well-definedness and fine property of the operator in weighted energy classes.
result Explicit characterization of the finite energy range of quaternionic Monge-Ampère operator.

Let (X,ω)(X,ω) be a compact Kähler manifold. We introduce and study the largest set DMA(X,ω)DMA(X,ω) of ωω-plurisubharmonic (psh) functions on which the complex Monge-Ampère operator is well defined. It is much larger than the corresponding local domain of definition, though still a proper subset of the set $PSH(X,\om)$ of all…

2007-05-31abs ↗pdf ↗

This paper develops Lagrangian potential theory and a Monge-Ampère operator.

problem Defining and studying a Lagrangian differential operator of Monge-Ampère type.
method Establishing a Lagrangian potential theory analogous to pluripotential theory, defining a Lagrangian differential operator of Monge-Ampère type.
result Solving the Dirichlet problem for the Lagrangian Monge-Ampère operator in both homogeneous and inhomogeneous cases.

The paper studies strong topologies for complex Monge-Ampère equations on Kähler manifolds.

problem Analyzing strong topologies for complex Monge-Ampère equations on Kähler manifolds.
method Proving the Monge-Ampère operator is a homeomorphism between finite energy potentials and energy measures with their strong topologies.
result The Monge-Ampère operator produces an homeomorphism between sets of finite energy potentials and measures on Kähler manifolds.

The paper finds transformation formulas for quaternionic complex structures.

problem Quaternionic projective invariance of kk-Cauchy-Fueter complex.
method Explicit transformation formulae under mSL(n+1,H){ m SL}(n+1,\mathbb{H}).
result Quaternionic projectively invariant operator and defining density.

We study pairs of structures, such as the Poisson-Nijenhuis structures, on the tangent bundle of a manifold or, more generally, on a Lie algebroid or a Courant algebroid. These composite structures are defined by two of the following, a closed 2-form, a Poisson bivector or a Nijenhuis tensor, with suitable compatibilit…

2008-12-30abs ↗pdf ↗

Let (X,ω)(X,ω) be a compact Kähler manifold. We obtain uniform Hölder regularity for solutions to the complex Monge-Ampère equation on XX with LpL^p right hand side, p>1p>1. The same regularity is furthermore proved on the ample locus in any big cohomology class. We also study the range $\MAH(X,ω)$ of the complex Monge-Am…

2011-12-06abs ↗pdf ↗

We define a non-degenerated Monge-Ampere structure on a 6-manifold associated with a Monge-Ampere equation as a couple (Ω,ω), such that Ωis a symplectic form and ωis a 3-differential form which satisfies ω\wedgeΩ=0 and which is non-degenerated in the sense of Hitchin. We associate with such a couple an almost (pseudo) …

2002-05-23abs ↗pdf ↗

Study estimates eigenvalues for concave Hessian operators on convex domains.

problem Estimating eigenvalues for concave elliptic Hessian operators.
method Investigates Dirichlet eigenvalue problem for a broad class of concave elliptic Hessian operators.
result Existence and properties of the first nonzero eigenvalue and eigenfunction.

We define a nondegenerate Monge-Ampère structure on a 6-dimensional manifold as a pair (Ω,ω)(Ω,ω), such that ΩΩ is a symplectic form and ωω is a 3-differential form which satisfies ωΩ=0ω\wedgeΩ=0 and which is nondegenerate in the sense of Hitchin. We associate with such a pair a generalized almost (pseudo) Calabi-Yau stru…

2002-11-12abs ↗pdf ↗

Uniform estimates for complex Monge-Ampere equations help understand singular solutions and collapsing metrics.

problem Uniform estimates for complex Monge-Ampere equations to study geometric regularity.
method Proved uniform gradient and diameter estimates for a family of geometric complex Monge-Ampere equations.
result Uniform estimates for complex Monge-Ampere equations applied to singular solutions and collapsing metrics.

Let XX be a compact Kähler manifold and $\om$ a smooth closed form of bidegree (1,1)(1,1) which is nonnegative and big. We study the classes ${\mathcal E}_χ(X,\om)$ of $\om$-plurisubharmonic functions of finite weighted Monge-Ampère energy. When the weight χχ has fast growth at infinity, the corresponding functions are …

2007-04-06abs ↗pdf ↗

Use envelope method to prove existence of complex Monge-Ampère equations on compact Kähler manifolds.

problem Existence of solutions to degenerate complex Monge-Ampère equations on compact Kähler manifolds.
method Classical Perron envelope method
result General existence theorem for degenerate complex Monge-Ampère equations on compact Kähler manifolds

Gradient and Laplacian estimates for complex Monge-Ampère equations found.

problem Estimating solutions to complex Monge-Ampère equations with singularities.
method Integral method applied to obtain gradient and Laplacian estimates.
result Gradient and Laplacian estimates for the solution to the singular complex Monge-Ampère equation.

Paper proves C1,1C^{1,1} regularity for complex Monge-Ampère equations.

problem Complex Monge-Ampère equations on compact almost Hermitian manifolds.
method Proves C1,1C^{1,1} estimate and uses it to show existence of solutions.
result Proves C1,1C^{1,1} regularity for geodesics in Sasakian metrics.

Uniform estimates for complex equations on compact manifolds found.

problem Uniform estimates for (n1)(n-1)-form fully nonlinear PDEs on compact Hermitian manifolds.
method Local comparison with Monge-Ampère equations and finding an appropriate elliptic operator.
result A priori LL^\infty estimate for the equations.

Estimates Kähler metrics with noncollapsing volume under complex Monge-Ampère constraints.

problem Volume noncollapsing for Kähler metrics induced by complex Monge-Ampère equations.
method Proves local volume noncollapsing estimate with Ricci curvature lower bound.
result Establishes diameter and gradient estimates for Kähler metrics.

We prove uniqueness of solutions to complex Monge-Ampère equations for small temperature.

problem Proving uniqueness of solutions to complex Monge-Ampère equations.
method Local and global analysis of bounded hyperconvex domains and compact complex manifolds.
result Uniqueness of solutions confirmed for small temperature parameters.

Note on gradient estimates for complex Monge-Ampere equation.

problem Gradient estimates for solutions of complex Monge-Ampere equation.
method Estimates LpL^p and LL^{\infty} for gradient in terms of continuity of the right-hand side.
result Gradient estimates for solutions of complex Monge-Ampere equation.

Paper establishes LL^{\infty} estimates for complex Monge-Ampere and Hessian equations.

problem Estimating solutions to complex Monge-Ampere and Hessian equations.
method Uses PDE techniques similar to Phong et al to prove LL^{\infty} and Hölder estimates.
result Establishes LL^{\infty} estimates for both complex Monge-Ampere and Hessian equations.

The paper proves a comparison principle for complex Monge-Ampère flows and solves a uniqueness problem.

problem Proving uniqueness of weak solutions to the pluripotential Cauchy-Dirichlet problem.
method Proving a comparison principle for the pluripotential complex Monge-Ampère flows.
result Proves the uniqueness of the weak solution to the pluripotential Cauchy-Dirichlet problem.

Solves Monge-Ampère equations on compact Hessian manifolds using the Perron method.

problem Solving Monge-Ampère equations on compact Hessian manifolds.
method Perron method, compactness properties of normalized quasi-convex functions, local and global comparison principles for twisted Monge-Ampère operators.
result Solves Monge-Ampère equations involving arbitrary probability measures.

Solves complex Monge-Ampère equation with Hölder continuous boundary data.

problem Complex Monge-Ampère equation with Hölder continuous boundary data.
method Solves the Dirichlet problem for the complex Monge-Ampère equation.
result The solution is Hölder continuous if the boundary data is Hölder continuous.

Study on Hölder continuity of complex Monge-Ampère solutions on Stein spaces.

problem Understanding continuity of solutions to complex Monge-Ampère equations on Stein spaces.
method Analyzing solutions with LpL^p densities and Hölder boundary data on Stein spaces with isolated singularities.
result Solutions are Hölder continuous outside singular points if boundary data is Hölder continuous.

The paper proves a formula for complex Monge-Ampère equations on manifolds.

problem Proving a mean value formula for complex Monge-Ampère equations.
method Using subharmonic Hermitian matrix valued functions and Liouville type theorems.
result Obtained a Liouville theorem for complex Monge-Ampère equations.

Stability results for complex Monge-Ampère equations in various classes.

problem Stability of solutions to complex Monge-Ampère equations.
method Weak stability results followed by Ck,α\mathcal{C}^{k,α} stability proofs.
result Proves stability of solutions in relative full mass classes and on quasi-projective varieties.

Proves Hölder continuity of complex Monge-Ampère solutions.

problem Global Hölder continuity of solutions to complex Monge-Ampère equation.
method Analyzes Dirichlet problem on strictly pseudoconvex domains or Hermitian manifolds.
result Proves global Hölder continuity of solutions under given conditions.

Sharp C0C^0 bound for quaternionic Monge-Ampere on hyperhermitian manifolds.

problem Sharp C0C^0 estimate for quaternionic Monge-Ampere equation on hyperhermitian manifolds.
method Sharp uniform estimate for quaternionic PDEs using Guo and Phong's method.
result The estimate depends only on LpL^p norm of the right-hand side for any p>2p>2 and holds for any hyperhermitian initial metric.