2 papers
math.AP2026
Revisiting Fazly-Wei-Xu pointwise estimates for the fourth-order Hénon equation via Bernstein's technique
Quôc Anh Ngô, Trung Nguyen
In a remarkable work published in Analysis and PDE 8 (2015) 1541-1563, M. Fazly, J. Wei, and X. Xu establish the following pointwise estimate \[-Δu \geq \frac 2{n-4} \frac{|\nabla…
math.NT2024
On the solvability of systems of equations revisited
Thang Pham, Steven Senger, Nguyen Trung-Tuan +2
In this paper, we introduce a new and direct approach to study the solvability of systems of equations generated by bilinear forms. More precisely, let be a non-…