A numerical criterion for generalised Monge-Ampère equations on projective manifolds

VV Datar, VP Pingali - Geometric and Functional Analysis, 2021 - Springer
We prove that generalised Monge-Ampère equations (a family of equations which includes
the inverse Hessian equations like the J-equation, as well as the Monge-Ampère equation) …

Fully nonlinear elliptic equations with gradient terms on Hermitian manifolds

B Guan, X Nie - International Mathematics Research Notices, 2023 - academic.oup.com
We derive a priori 2nd-order estimates for fully nonlinear elliptic equations that depend on
the gradients of solutions on compact Hermitian manifolds, which is a crucial step in solving …

On a fully nonlinear elliptic equation with differential forms

H Fang, B Ma - Advances in Mathematics, 2024 - Elsevier
We introduce a fully nonlinear PDE with a differential form, which unifies several important
equations in Kähler geometry including Monge-Ampère equations, J-equations, inverse σ k …

The deformed Hermitian Yang–Mills equation on three-folds

VP Pingali - Analysis & PDE, 2022 - msp.org
We prove an existence result for the deformed Hermitian Yang–Mills equation for the full
admissible range of the phase parameter, ie, 𝜃^∈(π 2, 3 π 2), on compact complex three …

The deformed Hermitian-Yang-Mills equation on the blowup of

A Jacob, N Sheu - arXiv preprint arXiv:2009.00651, 2020 - arxiv.org
We study the deformed Hermitian-Yang-Mills equation on the blowup of complex projective
space. Using symmetry, we express the equation as an ODE which can be solved using …

The Dirichlet problem for the k-Hessian equation on a complex manifold

TC Collins, S Picard - American Journal of Mathematics, 2022 - muse.jhu.edu
We solve the Dirichlet problem for $ k $-Hessian equations on compact complex manifolds
with boundary, given the existence of a subsolution. Our method is based on a second order …

[HTML][HTML] On the convexity of general inverse σk equations

CM Lin - Journal of Functional Analysis, 2023 - Elsevier
We prove that if a level set of a degree n general inverse σ k equation f (λ 1,⋯, λ n):= λ 1⋯ λ
n−∑ k= 0 n− 1 ck σ k (λ)= 0 is contained in q+ Γ n for some q∈ R n, where ck are real …

Deformed hermitian yang-mills equation on rational homogeneous varieties

EM Correa - arXiv preprint arXiv:2304.02105, 2023 - arxiv.org
In this paper, we show that the deformed Hermitian Yang-Mills (dHYM) equation on a
rational homogeneous variety, equipped with any invariant K\"{a} hler metric, always admits …

The universal structure of moment maps in complex geometry

R Dervan, M Hallam - arXiv preprint arXiv:2304.01149, 2023 - arxiv.org
We introduce a geometric approach to the construction of moment maps in finite and infinite-
dimensional complex geometry. We apply this to two settings: K\" ahler manifolds and …

The deformed Hermitian–Yang–Mills equation, the Positivstellensatz, and the solvability

CM Lin - Advances in Mathematics, 2023 - Elsevier
Let (M, ω) be a compact connected Kähler manifold of complex dimension four and let [χ]∈
H 1, 1 (M; R). We confirm the conjecture by Collins–Jacob–Yau [8] of the solvability of the …