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 …

[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 …

Pseudoconvexity for the special Lagrangian potential equation

FR Harvey, HB Lawson - Calculus of Variations and Partial Differential …, 2021 - Springer
Abstract The Special Lagrangian Potential Equation for a function u on a domain Ω ⊂ R^ n
Ω⊂ R n is given by tr {\arctan (D^ 2\, u)\}= θ tr arctan (D 2 u)= θ for a contant θ ∈ (-n π\over …

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 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 …

Stability conditions and canonical metrics

JB McCarthy - arXiv preprint arXiv:2302.04966, 2023 - arxiv.org
In this thesis we study the principle that extremal objects in differential geometry correspond
to stable objects in algebraic geometry. In our introduction we survey the most famous …

Hypercritical deformed Hermitian-Yang–Mills equation revisited

J Chu, MC Lee - Journal für die reine und angewandte Mathematik …, 2023 - degruyter.com
In this paper, we study the hypercritical deformed Hermitian-Yang–Mills equation on
compact Kähler manifolds and resolve two conjectures of Collins–Yau [Moment maps …

The Set of Destabilizing Curves for Deformed Hermitian Yang–Mills and Z-Critical Equations on Surfaces

S Khalid, Z Sjöström Dyrefelt - … Mathematics Research Notices, 2024 - academic.oup.com
We show that on any compact Kähler surface existence of solutions to the Z-critical equation
can be characterized using a finite number of effective conditions, where the number of …

Thomas-Yau conjecture and holomorphic curves

Y Li - arXiv preprint arXiv:2203.01467, 2022 - arxiv.org
The main theme of this paper is the Thomas-Yau conjecture, primarily in the setting of
exact,(quantitatively) almost calibrated, unobstructed Lagrangian branes inside Calabi-Yau …

On the Solvability of General Inverse Equations

CM Lin - arXiv preprint arXiv:2310.05339, 2023 - arxiv.org
We prove that if there exists a $ C $-subsolution to a constant coefficients strictly $\Upsilon $-
stable general inverse $\sigma_k $ equation, then there exists a unique solution. As a …