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We study a Monge-Amp\`ere type equation that interpolates the classical {\sigma_2} -Yamabe equation in conformal geometry and the 2-Hessian equation in dimension 4.

Analysis of PDEs · Mathematics 2022-04-05 Hao Fang , Biao Ma , Wei Wei

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…

Differential Geometry · Mathematics 2012-12-05 Yvette Kosmann-Schwarzbach , Vladimir Rubtsov

The theory of viscosity solutions has been effective for representing and approximating weak solutions to fully nonlinear Partial Differential Equations (PDEs) such as the elliptic Monge-Amp\`ere equation. The approximation theory of…

Numerical Analysis · Mathematics 2012-12-05 Brittany D. Froese , Adam M. Oberman

We consider second-order divergence form uniformly parabolic and elliptic PDEs with bounded and $VMO_{x}$ leading coefficients and possibly linearly growing lower-order coefficients. We look for solutions which are summable to the $p$th…

Analysis of PDEs · Mathematics 2009-09-30 N. V. Krylov

We prove a convex integration result for the Monge-Amp\`ere system, in case of dimension $d=2$ and arbitrary codimension $k\geq 1$. Our prior result stated flexibility up to the H\"older regularity $\mathcal{C}^{1,\frac{1}{1+ 4/k}}$,…

Analysis of PDEs · Mathematics 2024-05-02 Marta Lewicka

We study a fully nonlinear equation of complex Monge-Ampere type on Hermitian manifolds. We establish the a priori estimates for solutions of the equation up to the second order derivatives with the help of a subsolution.

Analysis of PDEs · Mathematics 2012-10-23 Bo Guan , Qun Li

In this paper, we study flexibility of weak solutions to the Monge-Amp\`ere system (MA) via convex integration. This new system of Pdes is an extension of the Monge-Amp\`ere equation in $d=2$ dimensions, naturally arising from the…

Analysis of PDEs · Mathematics 2025-07-15 Marta Lewicka

We study the long-time existence and convergence of general parabolic complex Monge-Ampere type equations whose second order operator is not necessarily convex or concave in the Hessian matrix of the unknown solution.

Analysis of PDEs · Mathematics 2019-06-26 Sebastien Picard , Xiangwen Zhang

We consider a 3rd-order generalized Monge-Ampere equation u_yyy - u_xxy^2 + u_xxx u_xyy = 0 (which is closely related to the associativity equation in the 2-d topological field theory) and describe all integrable structures related to it…

Exactly Solvable and Integrable Systems · Physics 2012-06-12 Paul Kersten , Iosif Krasil'shchik , Alexander Verbovetsky , Raffaele Vitolo

This paper is a natural companion of [Alekseevsky D.V., Alonso Blanco R., Manno G., Pugliese F., Ann. Inst. Fourier (Grenoble) 62 (2012), 497-524, arXiv:1003.5177], generalising its perspectives and results to the context of third-order…

Differential Geometry · Mathematics 2016-05-11 Gianni Manno , Giovanni Moreno

In this paper, by the method of moving planes, we establish the monotonicity and symmetry properties of convex solutions for Monge-Ampere systems on bounded smooth planar domains.

Analysis of PDEs · Mathematics 2009-10-27 Li Ma , Baiyu Liu

We show existence and uniqueness of solutions to the Monge-Ampere equation on compact almost complex manifolds with non-integrable almost complex structure.

Analysis of PDEs · Mathematics 2019-06-10 Jianchun Chu , Valentino Tosatti , Ben Weinkove

We propose a numerical method to solve the Monge-Ampere equation which admits a classical convex solution. The Monge-Ampere equation is reformulated into an equivalent first-order system. We adopt a novel reconstructed discontinuous…

Numerical Analysis · Mathematics 2019-12-13 Ruo Li , Fanyi Yang

We show how a symmetry reduction of the equations for incompressible hydrodynamics in three dimensions leads naturally to a Monge-Amp\`ere structure, and Burgers'-type vortices are a canonical class of solutions associated with this…

Mathematical Physics · Physics 2016-06-22 Bertrand Banos , Vladimir Roubtsov , Ian Roulstone

Partial differential equations (PDEs) play a central role in describing many physical phenomena. Various scientific and engineering applications demand a versatile and differentiable PDE solver that can quickly generate solutions with…

We introduce the so-called $d$-concavity, $d \geq 0,$ and prove that the nonsymmetric Monge-Amp\`{e}re type function of matrix variable is concave in an appropriate unbounded and convex set. We prove also the comparison principle for…

Analysis of PDEs · Mathematics 2017-09-20 Ha Tien Ngoan , Thai Thi Kim Chung

Solution of Monge equation of arbitrary degree (non linear differential equation n-orden) is connected with solution of functional equation for 4 functions with 4 different arguments. Some number solutions of this equation is represented in…

Mathematical Physics · Physics 2013-02-04 A. N. Leznov , R. Torres-cordoba

We investigate the Monge-Amp\`ere equation subject to zero boundary value and with a positive right-hand side unction assumed to be continuous or essentially bounded. Interior estimates of the solution's first and second derivatives are…

Analysis of PDEs · Mathematics 2020-05-07 Bin Cheng , Thomas O'Neill

We construct a special plurisubharmonic defining function for a smoothly bounded strictly pseudoconvex domain so that the determinant of the complex Hessian vanishes to high order on the boundary. This construction, coupled with regularity…

Complex Variables · Mathematics 2009-09-25 Steven G. Krantz , Song-Ying Li

Multidimensional consistency has emerged as a key integrability property for partial difference equations (P$\Delta$Es) defined on the "space-time" lattice. It has led, among other major insights, to a classification of scalar affine-linear…

Exactly Solvable and Integrable Systems · Physics 2015-05-19 Pavlos Xenitidis , Frank Nijhoff , Sarah Lobb